Torque transmission module intended to be part of motor vehicle transmission

Patent metadata

Field	Value
Publication number	US-10094430-B2
Application number	US-201514851701-A
Country	US
Kind code	B2
Filing date	Sep 11, 2015
Priority date	Sep 18, 2014
Publication date	Oct 9, 2018
Grant date	Oct 9, 2018

Abstract

A torque transmission module (M) intended to be part of a motor vehicle transmission ( 1 ), comprising:
a cover ( 10 ), a double wet clutch mechanism ( 11 ) movable rotationally around an axis (X), and a clutch cover ( 12 ) having an oil distribution device intended to supply oil to the double wet clutch,

the cover ( 10 ) and the clutch cover ( 12 ) being assembled so as to form a casing defining a receptacle in which the double wet clutch mechanism is partly received, the casing being able to be received entirely or in part in a clutch housing ( 5 ) of the transmission.

First claim

The invention claimed is:

1. A torque transmission module (M) for a motor vehicle transmission ( 1 ), comprising:
a cover ( 10 );
a double wet clutch mechanism ( 11 ) movable rotationally around an axis (X); and
a clutch cover ( 12 ) having an oil distribution device ( 50 ) configured to supply oil to the double wet clutch mechanism ( 11 );
the cover ( 10 ) and the clutch cover ( 12 ) non-rotatably connected to one another to form a casing defining a receptacle in which the double wet clutch mechanism ( 11 ) is partly received, the casing configured to be received entirely or in part in a clutch housing ( 5 ) of the motor vehicle transmission ( 1 ).

2. The torque transmission module (M) according to claim 1 , wherein the cover ( 10 ), the double wet clutch mechanism ( 11 ), and the clutch cover ( 12 ) are pre-assembled and form a unitary assemblage.

3. The torque transmission module (M) according to claim 1 , wherein the oil distribution device ( 50 ) comprises at least one pump ( 60 , 70 ) supported entirely or in part by the clutch cover ( 12 ).

4. The torque transmission module (M) according to claim 1 , wherein the double wet clutch mechanism ( 11 ) has a splined torque input shaft ( 15 ) extending axially toward the outside of the module (M) and passing through the cover ( 10 ).

5. The torque transmission module (M) according to claim 4 , wherein the cover ( 10 ), in the general shape of a bell, exhibits a first opening ( 100 ) located at the apex of the cover and arranged for passage of the splined torque input shaft ( 15 ).

6. The torque transmission module (M) according to claim 1 , wherein the cover ( 10 ) and the clutch cover ( 12 ) are connected to one another by a series of first fastening bolts ( 18 ).

7. The torque transmission module (M) according to claim 1 , wherein the clutch cover ( 12 ), in the general shape of a bell, exhibits a first opening ( 120 ) located at the apex of the clutch cover and arranged for passage of shafts of the motor vehicle transmission.

8. The torque transmission module (M) according to claim 7 , wherein the clutch cover ( 12 ), in the general shape of a bell, exhibits a second opening ( 121 ) delimited on an edge thereof by an annular collar ( 122 ) and located on a base of the clutch cover ( 12 ).

9. The torque transmission module (M) according to claim 8 , wherein the clutch cover ( 12 ) exhibits a third opening ( 129 ), in the general shape of a circular arc, configured on a flank of the clutch cover ( 12 ), a radially outer edge ( 130 ) of which delimits the third opening and is tangent to the annular collar ( 122 ).

10. The torque transmission module (M) according to claim 9 , wherein the radially outer edge ( 130 ) of the third opening is disposed with respect to the axis (X) on a diameter greater than or equal to an outer envelope ( 31 ) of the double wet clutch mechanism ( 11 ).

11. The torque transmission module (M) according to claim 1 , wherein the oil distribution device ( 50 ) has an oil bypass box ( 51 ) supported entirely or in part by the clutch cover ( 12 ).

12. The torque transmission module (M) according to claim 11 , wherein the clutch cover ( 12 ), in the general shape of a bell, exhibits a first opening ( 120 ) located at the apex of the clutch cover and arranged for passage of shafts of the motor vehicle transmission, and wherein the oil bypass box ( 51 ) partly surrounds the first opening ( 120 ) of the clutch cover ( 12 ).

13. The torque transmission module (M) according to claim 12 , wherein the oil distribution device ( 50 ) has a hub support ( 14 ) fastened on the clutch cover ( 12 ).

14. The torque transmission module (M) according to claim 13 , wherein the hub support ( 14 ) has at least one oil supply channel ( 141 ) configured to convey oil from outside the torque transmission module (M) to the double wet clutch mechanism.

15. The torque transmission module (M) according to claim 14 , wherein the oil bypass box ( 51 ) has at least one oil supply channel ( 52 ) configured to convey oil from outside the torque transmission module (M) to the double wet clutch mechanism ( 11 ).

16. The torque transmission module (M) according to claim 15 , wherein the oil supply channel ( 52 ) of the oil bypass box ( 51 ) communicates with the oil supply channel ( 141 ) of the hub support ( 14 ).

17. The torque transmission module (M) according to claim 11 , wherein the clutch cover ( 12 ), in the general shape of a bell, exhibits a first opening ( 120 ) located at the apex of the clutch cover and arranged for passage of shafts of the motor vehicle transmission, and wherein the oil bypass box ( 51 ) has oil supply channels ( 52 ) distributed circumferentially around the first opening ( 120 ) f the clutch cover ( 12 ).

18. The torque transmission module (M) according to claim 1 , wherein the double wet clutch mechanism ( 11 ) includes an input shell ( 30 ) and first and second clutches (E 1 , E 2 ) disposed in the input shell ( 30 ), and wherein the oil distribution device ( 50 ) disposed outside of the input shell ( 30 ) of the double wet clutch mechanism ( 11 ).

19. A transmission assemblage ( 80 ) for a motor vehicle, comprising:
a clutch housing ( 5 ); and
a torque transmission module (M) comprising
a cover ( 10 );
a double wet clutch mechanism ( 11 ) movable rotationally around an axis (X); and
a clutch cover ( 12 ) having an oil distribution device configured to supply oil to the double wet clutch mechanism ( 11 );

the cover ( 10 ) and the clutch cover ( 12 ) non-rotatably connected to one another to form a casing defining a receptacle in which the double wet clutch mechanism ( 11 ) is partly received, the casing received entirely or in part in the clutch housing ( 5 ).

20. The transmission assemblage ( 80 ) according to claim 19 , wherein the clutch cover ( 12 ) of the torque transmission module (M) has a second circular abutment region ( 124 ) configured on the annular collar ( 122 ) and arranged to come into abutment against the clutch housing ( 5 ).

21. The transmission assemblage ( 80 ) according to claim 20 , wherein the module (M) is fastened on the clutch housing ( 5 ) by a series of second fastening bolts ( 19 ).

22. A Transmission ( 1 ) for a motor vehicle, for selectively rotationally connecting at least one driven shaft (A 1 , A 2 ) of the transmission to a driving shaft of a combustion engine, the transmission (I) comprising:
an engine flywheel ( 3 ) rotationally connected to the driving shaft, a mechanism ( 4 ) for filtering irregularities,
a gearbox, and
a torque transmission module (M) comprising
a cover ( 10 );
a double wet clutch mechanism ( 11 ) movable rotationally around an axis)′ a clutch cover ( 12 ) having an oil distribution device ( 50 ) configured to supply oil to the double wet clutch mechanism ( 11 );
the cover ( 10 ) and the clutch cover ( 12 ) non-rotatably connected to one another to form a casing defining a receptacle in which the double wet clutch mechanism ( 11 ) is partly received, the casing received entirely or in part in a clutch housing ( 5 ) of the transmission ( 1 ).

23. A torque transmission module (M) for a motor vehicle transmission ( 1 ), comprising:
a cover ( 10 );
a double wet clutch mechanism ( 11 ) movable rotationally around an axis (X); and
a clutch cover ( 12 ) having an oil distribution device ( 50 ) configured to supply oil to the double wet clutch mechanism ( 11 );
the cover ( 10 ) and the clutch cover ( 12 ) being assembled to

Assignees

• Valeo Embrayages

Inventors

• Arhab Rabah
• Ribot Herve
• Caumartin Laurent

Classifications

• F16D25/123

  in view of cooling and lubrication · CPC title

• F16D13/74

  Features relating to lubrication · CPC title

• F16D25/10 Primary

  Clutch systems with a plurality of fluid-actuated clutches (arrangements or mounting of clutches in vehicles B60K17/00) · CPC title

• F16D13/76

  specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley · CPC title

• F16D2021/0607

  Double clutch with torque input plate in-between the two clutches, i.e. having a central input plate · CPC title