Differential for motor vehicles
In a differential for motor vehicles, comprising a tubular differential housing ( 5 ), in which differential bevel gears ( 4 ) are supported on a housing-mounted carrier stud ( 11 ) and are meshed with halfshaft bevel gears ( 8 ), and wherein the differential housing ( 5 ) has two diametral halfshaft holes ( 9 ) for feeding the axle drive shafts through and two diametral stud holes ( 10 ) for accommodating the carrier stud ( 11 ), recesses ( 18 ) are provided at both ends of the differential housing ( 5 ). Said recesses describe cutouts of the differential housing ( 5 ) that approach the halfshaft holes ( 9 ) and the stud holes ( 10 ).
1. A differential for motor vehicles, the differential comprising:
a tubular differential housing comprising a drive gear for transmission of engine drive torque;
a follower spindle integral with the housing;
differential bevel gears mounted on follower spindle, the differential bevel gears meshing with axle-shaft bevel gears,
two diametrically opposite axle-shaft bores in the housing for passage of axle drive shafts;
two diametrically opposite spindle bores in the housing for receiving the follower spindle; and
reliefs provided at both ends of the housing, the reliefs being cutouts of the differential housing close to the axle-shafts bores and the spindle bores;
wherein recesses are provided in the drive gear, the recesses being filled with a plastic, a plastic comprising a filler, or a fiber-reinforced composite material to form a stiffening matrix.
2. A differential according to claim 1 , wherein the cutouts forming the reliefs are shaped symmetrically relative to a pipe axis of the differential housing.
3. A differential according to claim 2 , the cutouts are respectively disposed at approximately a same distance from the axle-shaft bores and the spindle bores.
4. A differential according to claim 1 , further comprising first guide inserts for bracing the axle-shaft bevel gears, first guide inserts being fastened in the axle-shaft bores.
5. A differential according to claim 1 , further comprising second guide inserts for bracing the differential bevel gears, the second guide inserts being fastened in the spindle bores.
6. A differential according to claim 1 , wherein rims of the spindle bores form guide projections for bracing the differential bevel gears.
7. A differential according to claim 6 , wherein the guide projections for bracing the differential bevel gears comprise a shoulder or shaft gears or ball gears.
8. A differential according to claim 1 , wherein rims of the axle-shaft bores form guide projections for bracing the axle-shaft bevel gears.
9. A differential according to claim 8 , wherein the guide projections for bracing the axle-shaft bevel gears comprise a shoulder or shaft gears or ball gears.
10. A differential according to claim 1 , wherein the differential housing has a flattened portion on an outside of the housing, the flattened portion extending over an entire length of the housing proximal to the spindle bores.
11. A differential according to claim 1 , wherein the differential housing comprises a plurality of beads for stiffening the housing.
12. A differential according to claim 1 , wherein the differential housing comprises a plurality of through holes.
13. A differential according to claim 1 , wherein the drive gear comprises contact faces on an inside circumference of the drive gear, the contact faces being a joint with the differential housing.
14. A differential for motor vehicles, the differential comprising:
a tubular differential housing comprising a drive gear for transmission of engine drive torque;
a follower spindle integral with the housing;
differential bevel gears mounted on follower spindle, the differential bevel gears meshing with axle-shaft bevel gears,
two diametrically opposite axle-shaft bores in the housing for passages of axle drive shafts;
two diametrically opposite spindle bores in the housing for receiving the follower spindle; and
reliefs provided at both ends of the housing, the reliefs being cutouts of the differential housing close to the axle-shaft bores and the spindle bores;
wherein recesses are provided in the drive gear and the differential housing, the recesses being filled with a plastic, a plastic comprising a filler, or a fiber-reinforced composite material to form a stiffening matrix.
15. A differential according to claim 14 , wherein the cutouts forming the reliefs are shaped symmetrically relative to a pipe axis of the differential housing.
16. A differential according to claim 15 , wherein the cutouts are respectively disposed at approximately a same distance from the axle-shaft bores and the spindle bores.
17. A differential according to claim 14 , further comprising first guide inserts for bracing the axle-shaft bevel gears, first guide inserts being fastened in the axle-shaft bores.
18. A differential according to claim 14 , further comprising second guide inserts for bracing the differential bevel gears, the second guide inserts being fastened in the spindle bores.
19. A differential according to claim 14 , wherein rims of the spindle bores form guide projections for bracing the differential bevel gears.
20. A differential according to claim 19 , wherein the guide projections for bracing the differential bevel gears comprise a shoulder or shaft gears or ball gears.
21. A differential according to claim 14 , wherein rims of the axle-shaft bores form guide projections for bracing the axle-shaft bevel gears.
22. A differential according to claim 21 , wherein the guide projections for bracing the axle-shaft bevel gears comprise a shoulder or shaft gears or ball gears.
23. A differential according to claim 14 , wherein the differential housing has a flattened portion on an outside of the housing, the flattened portion extending over an entire length of the housing proximal to the spindle bores.
24. A differential according to claim 14 , wherein the differential housing comprises a plurality of beads for stiffening the housing.
25. A differential according to claim 14 , wherein the differential housing comprises a plurality of through holes.
26. A differential according to claim 14 , wherein the drive gear comprises contact faces on an inside circumference of the drive gear, the contact faces being a joint with the differential housing.
27. A differential for motor vehicles, the differential comprising:
a tubular differential housing comprising a drive gear for transmission of engine drive torque;
a follower spindle integral with the housing;
differential bevel gears mounted on follower spindle, the differential bevel gears meshing with axle-shaft bevel gears,
two diametrically opposite axle-shaft bores in the housing for passages of axle drive shafts;
two diametrically opposite spindle bores in the housing for receiving the follower spindle; and
reliefs provided at both ends of the housing, the reliefs being cutouts of the differential housing close to the axle-shaft bores and the spindle bores;
wherein at least one guide insert is provided with through holes, the guide insert and recesses in the differential housing or in the drive gear are filled with a plastic, a plastic comprising a filler, or a fiber-reinforced composite material in order to form a common stiffening matrix.
28. A differential according to claim 27 , wherein the cutouts forming the reliefs are shaped symmetrically relative to a pipe axis of the differential housing.
29. A differential according to claim 28 , wherein the cutouts are respectively disposed at approximately a same distance from the axle-shaft bores and the spindle bores.
30. A differential according to claim 27 , further comprising first guide inserts for bracing the axle-shaft bevel gears, first guide inserts being fastened in the axle-shaft bores.
31. A differential according to claim 27 , further comprising second guide inserts for bracing the differential bevel gears, the second guide inserts being fastened in the spindle bores.
32. A differential according to claim 27 , wherein rims of the spindle bores form guide projections for bracing the differential bevel gears.
33. A differential according to claim 32 , wherein the guide projections for bracing the differential bevel gears comprise a shoulder or shaft gears or ball gears.
34. A differential according to claim 27 , wherein rims of the axle-shaft bores form guide projections for bracing the axle-shaft bevel gears.
35. A differential according to claim 34 , wherein the guide projections for bracing the axle-shaft bevel gears comprise a shoulder or shaft gears or ball gears.
36. A differential according to claim 27 , wherein the differential housing has a flattened portion on an outside of the housing, the flattened portion extending over an entire length of the housing proximal to the spindle bores.
37. A differential according to claim 27 , wherein the differential housing comprises a plurality of beads for stiffening the housing.
38. A differential according to claim 27 , wherein the differential housing comprises a plurality of through holes.
39. A differential according to claim 27 , wherein the drive gear comprises contact faces on an inside circumference of the drive gear, the contact faces being a joint with the differential housing.