IP Library Granted Patent US 7,150,458
Granted Patent B2
US 7,150,458 · App. 10/221,907 · Granted Dec 19, 2006

Divided stabilizer having an optimized spring rate

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Quick Facts
Patent No.
US 7,150,458
App. No.
10/221,907
Granted
Dec 19, 2006
Kind
B2
Abstract

It is a purpose in a divided stabilizer to increase the springy lengths of the two stabilizer components. The stabilizer components ( 1, 1′, 2, 2 ′) have respective rotary parts ( 4, 4′, 5, 5 ′) attached and the rotary parts in turn have respective rotary wings ( 14, 16 ) attached. A cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′). An outer rotary wing ( 14 ) is radially inwardly directed and attached to the outer rotary part ( 4 ′). An inner rotary wing ( 16 ) is radially outwardly directed and is attached to the inner rotary part ( 5 ′). A second stabilizer part ( 2, 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative to the liner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to the point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ). The rotary wings ( 14, 16 ) are rotatable relative to each other up to a predetermined angle. The stabilizer is coordinated in parallel to an axle of a vehicle.

Claims (281)

1. A subdivided stabilizer with optimized spring rate, comprising

a first stabilizer part ( 1 , 1 ′);

a second stabilizer part ( 2 , 2 ),

an outer rotary part ( 4 ′) with an outer rotary wing ( 14 ), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary part ( 5 ′) with an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed,

wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) and the inner rotary part ( 5 ′) with the rotary wing ( 16 ) form a rotary clutch ( 13 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the rotary clutch ( 13 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) and wherein the outer rotary part ( 4 ′) is connected to the first stabilizer part ( 1 ′) through a second radial force transfer plane ( 10 ′) and wherein the inner rotary part ( 5 ′) is connected to the second stabilizer part ( 2 ′) through a first radial force transfer plane ( 7 ′);

a cover flange ( 8 ′) formed at the outer rotary part ( 4 ′) wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′) of the outer rotary part ( 4 ′) and the first stabilizer part ( 1 , 1 ′) extends up to the second radial force transfer plane ( 10 ′) with spring rate determining dimensions of the first stabilizer part ( 1 ′),

wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′) and extends up to the first radial force transfer plane ( 7 ′) with spring rate determining dimensions of the second stabilizer part ( 2 ′), wherein a first force transferring axial length (x, y) is coordinated to the first radial force transfer plane ( 7 ′), wherein a second force transferring axial length (x, y) is coordinated to the second radial force transfer plane ( 10 ′), and wherein the first force transferring axial length (x, y) and the second force transferring axial length (x, y) are disposed immediately neighboring,

wherein the inner rotary wing ( 16 ) of the inner rotary part ( 5 ′) and the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′) form a third radial force transfer plane ( 17 ) and wherein the third radial force transfer plane ( 17 ) is disposed on the side of the first radial force transfer plane ( 7 ′) located toward the second stabilizer part ( 2 ′),

wherein the outer rotary wing ( 14 ) is fixedly connected to the outer rotary part ( 4 ) over a certain force transferring axial length (x), and wherein the inner rotary wing ( 6 ) is fixedly connected to the inner rotary part ( 5 ) over the same force transferring axial length (x),

and wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are freely rotatable relative to each other in a region of the free spaces ( 18 ) until the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) come to rest on a mutual stop,

wherein the force transferring axial length x of the attachment between the outer rotary part ( 4 ) and the outer rotary wing ( 14 ) or, respectively between the inner rotary part ( 5 ) and the inner rotary wing ( 6 ) is determined by the torque to be transferred, and

wherein a size of the outer rotary wing ( 14 ) and of the inner rotary wing ( 6 ) results from the torque to be generated by a hydraulic swivel motor ( 3 ), and

wherein the torque generating axial length is the basis of this size of the outer rotary wing ( 14 ) and of the inner rotary wing ( 6 ).

2. Subdivided stabilizer according to claim 1 , characterized in that the second stabilizer part ( 2 , 2 ′) with its inner rotary part ( 5 ′) is formed as a single piece and wherein the first stabilizer part ( 1 , 1 ′) with its cover flange ( 8 ′) is formed as a single piece.

3. The subdivided stabilizer according to claim 1 further comprising

a force transfer element ( 15 ) forming the first radial force transfer plane ( 7 ′) and wherein the force transfer element ( 15 ) is connected fixed against rotation to the inner rotary part ( 5 ), and wherein the force transfer element ( 15 ) is connected as a single part with the inner rotary wing ( 16 ).

4. The subdivided stabilizer according to claim 1 wherein

a torque generating axial length corresponds to the force transferring length x,

wherein

the torque is transferred from the first stabilizer part ( 1 , 1 ′) through the cover flange ( 8 , 8 ′) radially on the second radial force transferring plane ( 10 , 10 ′), then axially through the outer rotary part ( 4 , 4 ′) to the first force transferring plane ( 7 , 7 ′), then radially through the inner rotary wing ( 6 , 16 ) and through the inner rotary part ( 5 , 5 ′) to the second stabilizer part ( 2 , 2 ′).

5. The subdivided stabilizer according to claim 1 wherein

a torque transferring length x of the inner rotary wing ( 16 ) is smaller than a rotary torque generating length,

wherein

the torque is transferred in case of a different loading of the first stabilizer part ( 1 ′) and of the second stabilizer part ( 2 ′) from the first stabilizer part ( 1 ′) in axial direction to the second radial force transfer plane ( 10 ′), then through the cover flange ( 8 ′) radially on the second radial force transferring plane ( 10 ′), then in axial direction through the outer rotary part ( 15 ) to the third force transferring plane ( 17 ), then in axial direction back through the inner rotary wing ( 16 ) to the first force transferring plane ( 7 ′), then radially to the inner rotary part ( 5 ′), from where the force propagates in axial direction within the second stabilizer part ( 2 ′).

6. The subdivided stabilizer according to claim 1 wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through a bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant.

7. A subdivided stabilizer

with optimized spring rate, comprising

a first stabilizer part ( 1 , 1 ′);

a second stabilizer part ( 2 , 2 ),

an outer rotary part ( 4 ′) with an outer rotary wing ( 14 ), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary part ( 5 ′) with an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed,

wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) and the inner rotary part ( 5 ′) with the rotary wing ( 16 ) form a rotary clutch ( 13 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the rotary clutch ( 13 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) and wherein the outer rotary part ( 4 ′) is connected to the first stabilizer part ( 1 ′) through a second radial force transfer plane ( 10 ′) and wherein the inner rotary part ( 5 ′) is connected to the second stabilizer part ( 2 ′) through a first radial force transfer plane ( 7 ′);

a cover flange ( 8 ′) formed at the outer rotary part ( 4 ′) wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′) of the outer rotary part ( 4 ′) and the first stabilizer part ( 1 , 1 ′) extends up to the second radial force transfer plane ( 10 ′) with spring rate determining dimensions of the first stabilizer part ( 1 ′),

wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′) and extends up to the first radial force transfer plane ( 7 ′) with spring rate determining dimensions of the second stabilizer part ( 2 ′),

wherein a first force transferring axial length (x, y) is coordinated to the first radial force transfer plane ( 7 ′), wherein a second force transferring axial length (x, y) is coordinated to the second radial force transfer plane ( 10 ′), and wherein the first force transferring axial length (x, y) and the second force transferring axial length (x, y) are disposed immediately neighboring,

wherein the inner rotary wing ( 16 ) of the inner rotary part ( 5 ′) and the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′) form a third radial force transfer plane ( 17 ) and wherein the third radial force transfer plane ( 17 ) is disposed on the side of the first radial force transfer plane ( 7 ′) located toward the second stabilizer part ( 2 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through a bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant,

wherein the cover flange ( 8 ) performs a cover function at a hydraulic swivel motor ( 3 ) and a torque transferring function,

wherein

an axial length of the cover flange ( 8 ) represents a further force transferring length y for a force transfer from the first stabilizer part ( 1 ) to the outer rotary part ( 4 ) and backward on the second radial force transfer plane ( 10 ).

8. A subdivided stabilizer

with optimized spring rate, comprising

a first stabilizer part ( 1 , 1 ′);

a second stabilizer part ( 2 , 2 ),

an outer rotary part ( 4 ′) with an outer rotary wing ( 14 ), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary part ( 5 ′) with an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed,

wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) and the inner rotary part ( 5 ′) with the rotary wing ( 16 ) form a rotary clutch ( 13 ), and wherein the first stabilizer part ( 1 , 2 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the rotary clutch ( 13 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) and wherein the outer rotary part ( 4 ′) is connected to the first stabilizer part ( 2 ′) through a second radial force transfer plane ( 10 ′) and wherein the inner rotary part ( 5 ′) is connected to the second stabilizer part ( 2 ′) through a first radial force transfer plane ( 7 ′);

a cover flange ( 8 ′) formed at the outer rotary part ( 4 ′) wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′) of the outer rotary part ( 4 ′) and the first stabilizer part ( 1 , 1 ′) extends up to the second radial force transfer plane ( 10 ′) with spring rate determining dimensions of the first stabilizer part ( 1 ′),

wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′) and extends up to the first radial force transfer plane ( 7 ′) with spring rate determining dimensions of the second stabilizer part ( 2 ′), wherein a first force transferring axial length (x, y) is coordinated to the first radial force transfer plane ( 7 ′), wherein a second force transferring axial length (x, y) is coordinated to the second radial force transfer plane ( 10 ′), and wherein the first force transferring axial length (x, y) and the second force transferring axial length (x, y) are disposed immediately neighboring,

wherein the inner rotary wing ( 16 ) of the inner rotary part ( 5 ′) and the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′) form a third radial force transfer plane ( 17 ) and wherein the third radial force transfer plane ( 17 ) is disposed on the side of the first radial force transfer plane ( 7 ′) located toward the second stabilizer part ( 2 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through a bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant,

wherein the cover flange ( 8 ) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 ) with its inner rotary part ( 5 ),

wherein

the bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 ),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 ) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached on the inner rotary part ( 5 ) by gear teeth or by clamping.

9. A subdivided stabilizer

with optimized spring rate, comprising

a first stabilizer part ( 1 , 1 ′);

a second stabilizer part ( 2 , 2 ),

an outer rotary part ( 4 ′) with an outer rotary wing ( 14 ), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary part ( 5 ′) with an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed,

wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) and the inner rotary part ( 5 ′) with the rotary wing ( 16 ) form a rotary clutch ( 13 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the rotary clutch ( 13 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) and wherein the outer rotary part ( 4 ′) is connected to the first stabilizer part ( 1 ′) through a second radial force transfer plane ( 10 ′) and wherein the inner rotary part ( 5 ′) is connected to the second stabilizer part ( 2 ′) through a first radial force transfer plane ( 7 ′);

a cover flange ( 8 ′) formed at the outer rotary part ( 4 ′) wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′) of the outer rotary part ( 4 ′) and the first stabilizer part ( 1 , 1 ′) extends up to the second radial force transfer plane ( 10 ′) with spring rate determining dimensions of the first stabilizer part ( 2 ′),

wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′) and extends up to the first radial force transfer plane ( 7 ′) with spring rate determining dimensions of the second stabilizer part ( 2 ′), wherein a first force transferring axial length (x, y) is coordinated to the first radial force transfer plane ( 7 ′), wherein a second force transferring axial length (x, y) is coordinated to the second radial force transfer plane ( 10 ′), and wherein the first force transferring axial length (x, y) and the second force transferring axial length (x, y) are disposed immediately neighboring,

wherein the inner rotary wing ( 16 ) of the inner rotary part ( 5 ′) and the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′) form a third radial force transfer plane ( 17 ) and wherein the third radial force transfer plane ( 17 ) is disposed on the side of the first radial force transfer plane ( 7 ′) located toward the second stabilizer part ( 2 ′),

wherein the coupling piece ( 19 ) comprises

a guide part ( 20 ) and two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play, a compression spring ( 22 ) supported at a bearing cover ( 9 ′) and disposed in a spring chamber ( 23 ), wherein the spring chamber ( 23 ) is formed as a pressure space and connected to a hydraulic plant through an inlet connection piece ( 24 ),

wherein

the coupling piece ( 19 ) is loadable with a hydraulic pressure created in the spring chamber ( 23 ) opposing the compression spring ( 22 ) on the side disposed remote from the compression spring ( 22 ),

wherein the hydraulic pressure supports the force of the compression spring ( 22 ),

wherein a corresponding inlet opening ( 25 ) for a hydraulic pressure creation is disposed in the cover flange ( 8 ′).

10. A subdivided stabilizer

with optimized spring rate, comprising

a first stabilizer part ( 1 , 1 ′);

a second stabilizer part ( 2 , 2 ),

an outer rotary part ( 4 ′) with an outer rotary wing ( 14 ), wherein the outer rotary wing ( 14 )is radially inwardly directed;

an inner rotary part ( 5 ′) with an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed,

wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) and the inner rotary part ( 5 ′) with the rotary wing ( 16 ) form a rotary clutch ( 13 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the rotary clutch ( 13 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) and wherein the outer rotary part ( 4 ′) is connected to the first stabilizer part ( 1 ′) through a second radial force transfer plane ( 10 ′) and wherein the inner rotary part ( 5 ′) is connected to the second stabilizer part ( 2 ′) through a first radial force transfer plane ( 7 ′);

a cover flange ( 8 ′) formed at the outer rotary part ( 4 ′) wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′) of the outer rotary part ( 4 ′) and the first stabilizer part ( 1 , 1 ′) extends up to the second radial force transfer plane ( 10 ′) with spring rate determining dimensions of the first stabilizer part ( 1 ′),

wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′) and extends up to the first radial force transfer plane ( 7 ′) with spring rate determining dimensions of the second stabilizer part ( 2 ′), wherein a first force transferring axial length (x, y) is coordinated to the first radial force transfer plane ( 7 ′), wherein a second force transferring axial length (x, y) is coordinated to the second radial force transfer plane ( 10 ′), and wherein the first force transferring axial length (x, y) and the second force transferring axial length (x, y) are disposed immediately neighboring,

wherein the inner rotary wing ( 16 ) of the inner rotary part ( 5 ′) and the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′) form a third radial force transfer plane ( 17 ) and wherein the third radial force transfer plane ( 17 ) is disposed on the side of the first radial force transfer plane ( 7 ′) located toward the second stabilizer part ( 2 ′),

a sensor ( 26 ) for determining a position of a movable coupling piece ( 19 ) disposed in the outer rotary part ( 4 ′).

11. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 , 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 , 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 , 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 6 , 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 6 , 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 6 , 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ); wherein the second stabilizer part ( 2 , 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 6 , 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ) come to rest.

12. The subdivided stabilizer according to claim 11 further comprising

a force transfer element ( 15 ) connected fixed against rotation to the inner rotary part ( 5 ), wherein the force transfer element ( 15 ) forms a single part with the inner rotary wing ( 6 , 16 ).

13. The subdivided stabilizer according to claim 11 wherein the inner rotary wing ( 16 ) is disposed an a radial plane together with the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) extend over a certain axial length, wherein the inner rotary wing ( 16 ) and the outer rotary wing are of such dimensions and disposed such to each other that the inner rotary wing ( 16 ) and the outer rotary ring ( 14 ) form two radially and oppositely disposed free spaces ( 18 ) between themselves.

14. The subdivided stabilizer according to claim 11 wherein the cover flange ( 8 , 8 ′) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 , 2 ′) with its inner rotary part ( 5 ),

wherein

a bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 ),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 , 8 ′) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached at the inner rotary part ( 5 ) by gear teeth or by clamping.

15. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are freely rotatable relative to each other in a region of the free spaces ( 18 ) until the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) come to rest at a mutual stop.

16. The subdivided stabilizer according to claim 15

wherein the second stabilizer part ( 2 , 2 ′) and the inner rotary part ( 5 , 5 ′)are furnished by a round rod; and

wherein the first stabilizer part ( 1 , 1 ′) is at its end axially aligned attached to the cover flange ( 8 , 8 ′).

17. The subdivided stabilizer according to claim 15 further comprising

a bearing cover ( 9 ) attached to the outer rotary part ( 4 , 4 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through the bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant.

18. The subdivided stabilizer according to claim 15 further comprising

a bearing cover ( 9 , 9 ′), wherein the outer rotary part has the shape of a cylindrical casing, wherein the outer rotary part ( 4 , 4 ′) is covered on a front side through a cover flange ( 8 ′), wherein the cover flange ( 8 ′) is connected fixedly against rotation to the first stabilizer part ( 1 , 1 ′), wherein the outer rotary part ( 4 , 4 ′) is delimited an a second front side with the bearing cover ( 9 , 9 ′), wherein the inner rotary part ( 5 , 5 ′) is supported in a bore hole of the bearing cover ( 9 , 9 ′) and in a recess of the cover flange ( 8 , 8 ′).

19. The subdivided stabilizer according to claim 15 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) are intersected by a common radial plane.

20. The subdivided stabilizer according to claim 15 wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest.

21. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 6 , 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 , 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 , 5 ′) with the inner rotary wing ( 6 , 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 6 , 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ), wherein the inner rotary part ( 5 , 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 , 5 ′),

a bearing cover ( 9 ) attached to the outer rotary part ( 4 , 4 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 , 5 ) with its inner rotary wing ( 6 , 16 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through the bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 , 16 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant,

wherein the cover flange ( 8 ) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 ) with its inner rotary part ( 5 , 5 ′),

wherein

the bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 , 5 ′),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 ) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached an the inner rotary part ( 5 , 5 ′) by gear teeth or by clamping.

22. The subdivided stabilizer according to claim 21 wherein the inner rotary part ( 5 ) forms one part with the second stabilizer ( 2 , 2 ′) and is supported by the bearing cover ( 9 ) and the cover flange ( 8 ).

23. The subdivided stabilizer according to claim 21 wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest.

24. The subdivided stabilizer according to claim 21 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are freely rotatable relative to each other in a region of the free spaces ( 18 ) until the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) come to rest at a mutual stop.

25. The subdivided stabilizer with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

a bearing cover ( 9 ) attached to the outer rotary part ( 4 , 4 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through the bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant,

a compression spring ( 22 ) supported at the bearing cover ( 9 ′) and disposed in a spring chamber ( 23 ), wherein the spring chamber ( 23 ) is formed as a pressure space and connected to a hydraulic plant through an inlet connection piece ( 24 ),

wherein

the coupling piece ( 19 ) is loadable with a hydraulic pressure created in the spring chamber ( 23 ) opposing the compression spring ( 22 ) on the side disposed remote from the compression spring ( 22 ),

wherein the hydraulic pressure supports the force of the compression spring ( 22 ),

wherein a corresponding inlet opening ( 25 ) for a hydraulic pressure creation is disposed in the cover flange ( 8 ′).

26. The subdivided stabilizer according to claim 25 wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest.

27. The subdivided stabilizer according to claim 25 wherein the second stabilizer part ( 2 , 2 ′) and the inner rotary part ( 5 , 5 ′)are furnished by a round rod; and

wherein the first stabilizer part ( 1 , 1 ′) is at its end axially aligned attached to the cover flange ( 8 , 8 ′).

28. The subdivided stabilizer according to claim 25 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are freely rotatable relative to each other in a region of the free spaces ( 18 ) until the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) come to rest at a mutual stop.

29. The subdivided stabilizer according to claim 25 wherein the inner rotary part ( 5 ) forms one part with the second stabilizer ( 2 , 2 ′) and is supported by the bearing cover ( 9 ) and the cover flange ( 8 ).

30. The subdivided stabilizer according to claim 25 wherein the inner rotary wing ( 16 ) is disposed an a radial plane together with the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) extend over a certain axial length, wherein the inner rotary wing ( 16 ) and the outer rotary wing are of such dimensions and disposed such to each other that the inner rotary wing ( 16 ) and the outer rotary ring ( 14 ) form two radially and oppositely disposed free spaces ( 18 ) between themselves.

31. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

wherein the movable coupling piece ( 19 ) comprises

a guide part ( 20 ) and two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play.

32. The subdivided stabilizer according to claim 27 further comprising

a force transfer element ( 15 ) connected fixed against rotation to the inner rotary part ( 5 ), wherein the force transfer element ( 15 ) forms a single part with the inner rotary wing ( 16 ).

33. The subdivided stabilizer according to claim 31 wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest.

34. The subdivided stabilizer according to claim 31 wherein the cover flange ( 8 ) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 ) with its inner rotary part ( 5 ),

wherein

a bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 ),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 ) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached an the inner rotary part ( 5 ) by gear teeth or by clamping.

35. The subdivided stabilizer according to claim 27 further comprising

a compression spring ( 22 ) supported at a bearing cover ( 9 ′) and disposed in a spring chamber ( 23 ), wherein the spring chamber ( 23 ) is formed as a pressure space and connected to a hydraulic plant through an inlet connection piece ( 24 ),

wherein

the coupling piece ( 19 ) is loadable with a hydraulic pressure created in the spring chamber ( 23 ) opposing the compression spring ( 22 ) an the side disposed remote from the compression spring ( 22 ),

wherein the hydraulic pressure supports the force of the compression spring ( 22 ),

wherein a corresponding inlet opening ( 25 ) for a hydraulic pressure creation is disposed in the cover flange ( 8 ′).

36. The subdivided stabilizer according to claim 27 further comprising

a bearing cover ( 9 , 9 ′), wherein the outer rotary part has the shape of a cylindrical casing, wherein the outer rotary part ( 4 , 4 ′) is covered an a front side through a cover flange ( 8 ′), wherein the cover flange ( 8 ′) is connected fixedly against rotation to the first stabilizer part ( 1 , 1 ′), wherein the outer rotary part ( 4 , 4 ′) is delimited an a second front side with the bearing cover ( 9 , 9 ′), wherein the inner rotary part ( 5 , 5 ′) is supported in a bore hole of the bearing cover ( 9 , 9 ′) and in a recess of the cover flange ( 8 , 8 ′).

37. The subdivided stabilizer according to claim 31 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) are intersected by a common radial plane.

38. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

a sensor ( 26 ) for determining a position of the movable coupling piece ( 19 ) disposed in the outer rotary part ( 4 ′).

39. The subdivided stabilizer according to claim 38 further comprising

a force transfer element ( 15 ) connected fixed against rotation to the inner rotary part ( 5 ), wherein the force transfer element ( 15 ) forms a single part with the inner rotary wing ( 16 ).

40. The subdivided stabilizer according to claim 38 wherein the movable coupling piece ( 19 ) comprises

two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play;

wherein the coupling parts ( 21 ) are disengaged in the decoupled state from the outer rotary wing ( 14 ) and from the inner rotary wing ( 16 ) such that initially a free angle of rotation has to be overcome for each direction in case of a different load of the first stabilizer part ( 1 , 1 ′) and of the second stabilizer part ( 2 , 2 ′) before the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest.

41. The subdivided stabilizer according to claim 38 wherein the second stabilizer part ( 2 , 2 ′) and the inner rotary part ( 5 , 5 ′) are furnished by a round rod; and

wherein the first stabilizer part ( 1 , 2 ′) is at its end axially aligned attached to the cover flange ( 8 , 8 ′).

42. The subdivided stabilizer according to claim 38 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are freely rotatable relative to each other in a region of the free spaces ( 18 ) until the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) come to rest at a mutual stop.

43. The subdivided stabilizer according to claim 38 further comprising

a bearing cover ( 9 ) attached to the outer rotary part ( 4 , 4 ′),

wherein the outer rotary part ( 4 ) with its outer rotary wing ( 14 ) and the inner rotary part ( 5 ) with its inner rotary wing ( 6 ) find an axial closure through the cover flange ( 8 ) connected with the first stabilizer part ( 1 , 1 ′) and through the bearing cover ( 9 ), wherein the free spaces between the outer rotary wing ( 14 ) and the inner rotary wing ( 6 ) are formed as pressure chambers sealed toward the outside and inside in a corresponding way and connected to a hydraulic plant.

44. The subdivided stabilizer according to claim 38 wherein the cover flange ( 8 ) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 ) with its inner rotary part ( 5 ),

wherein

a bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 ),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 ) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached an the inner rotary part ( 5 ) by gear teeth or by clamping.

45. The subdivided stabilizer according to claim 38 further comprising

a compression spring ( 22 ) supported at a bearing cover ( 9 ′) and disposed in a spring chamber ( 23 ), wherein the spring chamber ( 23 ) is formed as a pressure space and connected to a hydraulic plant through an inlet connection piece ( 24 ),

wherein

the coupling piece ( 19 ) is loadable with a hydraulic pressure created in the spring chamber ( 23 ) opposing the compression spring ( 22 ) an the side disposed remote from the compression spring ( 22 ),

wherein the hydraulic pressure supports the force of the compression spring ( 22 ),

wherein a corresponding inlet opening ( 25 ) for a hydraulic pressure creation is disposed in the cover flange ( 8 ′).

46. The subdivided stabilizer according to claim 38 wherein the movable coupling piece ( 19 ) comprises

a guide part ( 20 ) and two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play.

47. The subdivided stabilizer according to claim 38 further comprising

a bearing cover ( 9 , 9 ′), wherein the outer rotary part has the shape of a cylindrical casing, wherein the outer rotary part ( 4 , 4 ′) is covered an a front side through a cover flange ( 8 ′), wherein the cover flange ( 8 ′) is connected fixedly against rotation to the first stabilizer part ( 1 , 1 ′), wherein the outer rotary part ( 4 , 4 ′) is delimited an a second front side with the bearing cover ( 9 , 9 ′), wherein the inner rotary part ( 5 , 5 ′) is supported in a bore hole of the bearing cover ( 9 , 9 ′) and in a recess of the cover flange ( 8 , 8 ′).

48. The subdivided stabilizer according to claim 38 wherein the inner rotary wing ( 16 ) is disposed an a radial plane together with the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) extend over a certain axial length, wherein the inner rotary wing ( 16 ) and the outer rotary wing are of such dimensions and disposed such to each other that the inner rotary wing ( 16 ) and the outer rotary ring ( 14 ) form two radially and oppositely disposed free spaces ( 18 ) between themselves.

49. The subdivided stabilizer according to claim 38 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) are intersected by a common radial plane.

50. A subdivided stabilizer

with optimized spring rate,

comprising

a first stabilizer part ( 1 , 1 ′);

a cover flange ( 8 ′), wherein the first stabilizer part ( 1 , 1 ′) is formed as a single piece with the cover flange ( 8 ′);

an outer rotary part ( 4 ′), wherein the cover flange ( 8 ′) is formed at the outer rotary part ( 4 ′);

an outer rotary wing ( 14 ) attached to the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) is radially inwardly directed;

an inner rotary wing ( 16 ), wherein the inner rotary wing ( 6 , 16 ) is radially outwardly directed;

an inner rotary part ( 5 ′), wherein the inner rotary wing ( 6 , 16 ) is attached to the inner rotary part ( 5 ′);

a second stabilizer part ( 2 , 2 ′), wherein the second stabilizer part ( 2 , 2 ′) is attached to the inner rotary part ( 5 ′), wherein the outer rotary part ( 4 ′) with the outer rotary wing ( 14 ) moves relative the inner rotary part ( 5 ′) with the inner rotary wing ( 16 ) up to a point where the outer rotary wing ( 14 ) contacts the inner rotary wing ( 16 ), and wherein the first stabilizer part ( 1 , 1 ′) and the second stabilizer part ( 2 , 2 ′) are connected to each other with the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ), wherein the inner rotary part ( 5 ′) is rotatable relative to the outer rotary part ( 4 ′) to a predetermined extent, wherein free spaces ( 18 ) for a movable coupling piece ( 19 ) exist between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ); wherein the second stabilizer part ( 2 ′) is formed as a single piece with the inner rotary part ( 5 ′),

wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) come to rest on a mutual stop.

51. The subdivided stabilizer according to claim 50 further comprising

a force transfer element ( 15 ) connected fixed against rotation to the inner rotary part ( 5 ), wherein the force transfer element ( 15 ) forms a single part with the inner rotary wing ( 16 ).

52. The subdivided stabilizer according to claim 50 wherein the cover flange ( 8 ) is furnished on an inner side in a finite bearing hole ( 11 ) for receiving the second stabilizing part ( 2 ) with its inner rotary part ( 5 ),

wherein

a bearing cover ( 9 ) comprises a passing through bearing bore ( 12 ) for receiving of the inner rotary part ( 5 ),

wherein

both the bearing cover ( 9 ) and the cover flange ( 8 ) are attached at the outer rotary part ( 4 ) with screws or by a welding connection,

wherein the inner rotary wing ( 6 ) is attached an the inner rotary part ( 5 ) by gear teeth or by clamping.

53. The subdivided stabilizer according to claim 50 further comprising

a compression spring ( 22 ) supported at a bearing cover ( 9 ′) and disposed in a spring chamber ( 23 ), wherein the spring chamber ( 23 ) is formed as a pressure space and connected to a hydraulic plant through an inlet connection piece ( 24 ),

wherein

the coupling piece ( 19 ) is loadable with a hydraulic pressure created in the spring chamber ( 23 ) opposing the compression spring ( 22 ) an the side disposed remote from the compression spring ( 22 ),

wherein the hydraulic pressure supports the force of the compression spring ( 22 ),

wherein a corresponding inlet opening ( 25 ) for a hydraulic pressure creation is disposed in the cover flange ( 8 ′).

54. The subdivided stabilizer according to claim 50 wherein the inner rotary part ( 5 ) forms one part with the second stabilizer ( 2 , 2 ′) and is supported by a bearing cover ( 9 ) and the cover flange ( 8 ).

55. The subdivided stabilizer according to claim 50 wherein the movable coupling piece ( 19 ) comprises

a guide part ( 20 ) and two equal and oppositely disposed coupling parts ( 21 ) equipped with side ways and conically extending guide faces, wherein the coupling parts ( 21 ) are capable of closing the free spaces ( 18 ) between the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) without play.

56. The subdivided stabilizer according to claim 50 further comprising

a sensor ( 26 ) for determining a position of the movable coupling piece ( 19 ) disposed in the outer rotary part ( 4 ′).

57. The subdivided stabilizer according to claim 50 wherein the inner rotary wing ( 16 ) is disposed an a radial plane together with the outer rotary wing ( 14 ) of the outer rotary part ( 4 ′), wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) extend over a certain axial length, wherein the inner rotary wing ( 16 ) and the outer rotary wing are of such dimensions and disposed such to each other that the inner rotary wing ( 16 ) and the outer rotary ring ( 14 ) form two radially and oppositely disposed free spaces ( 18 ) between themselves.

58. The subdivided stabilizer according to claim 50 wherein the outer rotary wing ( 14 ) and the inner rotary wing ( 16 ) are intersected by a common radial plane.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 26, 2006
From: PNP LUFTFEDERSYSTEME GMBH
To: ZF LEMFORDER METALWAREN AG
Reel/Frame 018348/0808 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 10, 2004
From: PNP LUFTDERSYSTEME GMBH
To: ZF LEMFORCLER METAILWAREN AG
Reel/Frame 016059/0863 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 17, 2004
From: REICHEL, KLAUS; KRUGER, WINFRIED; BEETZ, STEFAN; KLASEN, CHRISTIAN
To: PNP LUFTFEDERSYSTEME GMBH
Reel/Frame 015490/0758 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 13, 2003
From: PNP LUFTFEDERSYSTEME GMBH
To: ZF LEMFORDER METALLWAREN AG
Reel/Frame 014078/0475 →