Revolving transport device having an improved drive concept

1. A transport device, comprising:

a revolving transport section having a linear region ( 2 a ) and a curve region ( 2 b ),

an electromagnetic drive having a plurality of stationary coil elements ( 4 ) and a plurality of permanent magnets ( 5 ), wherein the stationary coil elements ( 4 ) are arranged on the transport section ( 2 ), and

at least one mover ( 6 ), which is movably arranged on the revolving transport section ( 2 ) and can be moved by way of electromagnetic forces, wherein the permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein a first row ( 51 ) of permanent magnets ( 5 ) and a second row ( 52 ) of permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein the first row ( 51 ) and the second row ( 52 ) of the permanent magnets are successively arranged in a running direction (A) of the mover ( 6 ),

wherein the revolving transport section ( 2 ) has first coil regions ( 10 ), which are exclusively operatively connected to the first row ( 51 ) of permanent magnets ( 5 ) on the mover ( 6 ), and second coil regions ( 8 ), which are exclusively operatively connected to the second row ( 52 ) of permanent magnets ( 5 ) on the mover ( 6 )

wherein the first row ( 51 ) of permanent magnets ( 5 ) of the mover is arranged so as to be differently aligned with respect to the second row ( 52 ) of permanent magnets of said mover, and

characterized in that the permanent magnets ( 5 ) of the second row ( 52 ) are arranged perpendicularly to the running direction (A) of the mover and at least one permanent magnet of the first row ( 51 ) is arranged at an angle, which does not equal 90°, to said running direction (A) of said mover.

2. The transport device according to claim 1 , characterized in that the permanent magnets ( 5 ) of the first row ( 51 ) are arranged with centers of gravity ( 53 ) thereof on a curved section ( 54 ).

3. The transport device according to claim 1 , characterized in that the coil regions ( 8 , 10 ) are arranged only partially over an entire width (B) of the transport section ( 2 ).

4. The transport device according to claim 3 , characterized in that filler pieces ( 9 , 11 ) are arranged adjacently to the coil regions, which are arranged only partially over the width (B) of the transport section ( 2 ).

5. The transport device according to claim 3 , characterized in that the coil regions on the entire transport section extend in each case only up to a center line ( 7 ) of said transport section ( 2 ).

6. A transport device, comprising:

a revolving transport section having a linear region ( 2 a ) and a curve region ( 2 b ),

an electromagnetic drive having a plurality of stationary coil elements ( 4 ) and a plurality of permanent magnets ( 5 ), wherein the stationary coil elements ( 4 ) are arranged on the transport section ( 2 ), and

at least one mover ( 6 ), which is movably arranged on the revolving transport section ( 2 ) and can be moved by way of electromagnetic forces, wherein the permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein a first row ( 51 ) of permanent magnets ( 5 ) and a second row ( 52 ) of permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein the first row ( 51 ) and the second row ( 52 ) of the permanent magnets are successively arranged in a running direction (A) of the mover ( 6 ),

wherein the revolving transport section ( 2 ) has first coil regions ( 10 ), which are exclusively operatively connected to the first row ( 51 ) of permanent magnets ( 5 ) on the mover ( 6 ), and second coil regions ( 8 ), which are exclusively operatively connected to the second row ( 52 ) of permanent magnets ( 5 ) on the mover ( 6 ),

wherein the coil regions ( 8 , 10 ) are arranged only partially over an entire width (B) of the transport section ( 2 ),

wherein the coil regions on the entire transport section extend in each case only up to a center line ( 7 ) of said transport section ( 2 ), and

characterized in that the coil regions on the linear region ( 2 a ) of the transport section are arranged on a side of the center line ( 7 ) of said transport section which is inwardly directed and the coil regions on the curve region ( 2 b ) of said transport section are arranged on a side of said center line ( 7 ) which is outwardly directed.

7. A transport device, comprising:

a revolving transport section having a linear region ( 2 a ) and a curve region ( 2 b ),

an electromagnetic drive having a plurality of stationary coil elements ( 4 ) and a plurality of permanent magnets ( 5 ), wherein the stationary coil elements ( 4 ) are arranged on the transport section ( 2 ), and

at least one mover ( 6 ), which is movably arranged on the revolving transport section ( 2 ) and can be moved by way of electromagnetic forces, wherein the permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein a first row ( 51 ) of permanent magnets ( 5 ) and a second row ( 52 ) of permanent magnets ( 5 ) are arranged on the mover ( 6 ),

wherein the first row ( 51 ) and the second row ( 52 ) of the permanent magnets are successively arranged in a running direction (A) of the mover ( 6 ),

wherein the revolving transport section ( 2 ) has first coil regions ( 10 ), which are exclusively operatively connected to the first row ( 51 ) of permanent magnets ( 5 ) on the mover ( 6 ), and second coil regions ( 8 ), which are exclusively operatively connected to the second row ( 52 ) of permanent magnets ( 5 ) on the mover ( 6 ),

characterized in that the coil elements on the curve region ( 2 b ) are arranged at a radius equal to that of the permanent magnets of the first row ( 51 ) on the mover.

8. The transport device according to claim 7 , characterized in that an odd number of permanent magnets ( 5 ) is arranged on the mover ( 6 ) per row ( 51 , 52 ) of permanent magnets ( 5 ), wherein a first and a last permanent magnet in the running direction (A) of said mover ( 6 ) in each row have in each case the same polarity in order to achieve a mutual repulsion of consecutive movers when a plurality of movers ( 6 ) is used.

9. The transport device according to claim 7 , characterized in that the permanent magnets ( 5 ) are designed as linear permanent magnets having a rectangular form.

10. The transport device according to claim 9 , characterized in that the permanent magnets ( 5 ) of the second row ( 52 ) are arranged perpendicularly to the running direction (A) of the mover and at least one permanent magnet of the first row ( 51 ) is arranged at an angle, which does not equal 90°, to said running direction (A) of said mover.

11. The transport device according to claim 10 , characterized in that the permanent magnets ( 5 ) of the first row ( 51 ) are arranged with centers of gravity ( 53 ) thereof on a curved section ( 54 ).

12. The transport device according to claim 11 , characterized in that the coil regions ( 8 , 10 ) are arranged only partially over an entire width (B) of the transport section ( 2 ).

13. The transport device according to claim 12 , characterized in that filler pieces ( 9 , 11 ) are arranged adjacently to the coil regions, which are arranged only partially over the width (B) of the transport section ( 2 ).

14. The transport device according to claim 13 , characterized in that the coil regions on the entire transport section extend in each case only up to a center line ( 7 ) of said transport section ( 2 ).

15. The transport device according to claim 14 , characterized in that the coil regions on the linear region ( 2 a ) of the transport section are arranged on a side of the center line ( 7 ) of said transport section which is inwardly directed and the coil regions on the curve region ( 2 b ) of said transport section are arranged on a side of said center line ( 7 ) which is outwardly directed.

16. The transport device according to claim 15 , characterized in that an odd number of permanent magnets ( 5 ) is arranged on the mover ( 6 ) per row ( 51 , 52 ) of permanent magnets ( 5 ), wherein a first and a last permanent magnet in the running direction (A) of said mover ( 6 ) in each row have in each case the same polarity in order to achieve a mutual repulsion of consecutive movers when a plurality of movers ( 6 ) is used.

17. The transport device according to claim 1 , characterized in that the permanent magnets ( 5 ) are designed as linear permanent magnets having a rectangular form.

18. The transport device according to claim 6 , characterized in that the first row ( 51 ) of permanent magnets ( 5 ) of the mover is arranged so as to be differently aligned with respect to the second row ( 52 ) of permanent magnets of said mover.

19. The transport device according to claim 6 , characterized in that the permanent magnets ( 5 ) are designed as linear permanent magnets having a rectangular form.