초록 ▼

The invention concerns a friction clutch comprising a flywheel (3) with a front end designed to be fixed to a motor vehicle crankshaft (11) and a rear end in the form of a reaction plate (4) with a central recess (39) externally defined by a friction surface and a friction disc coupled with a centra

The invention concerns a friction clutch comprising a flywheel (3) with a front end designed to be fixed to a motor vehicle crankshaft (11) and a rear end in the form of a reaction plate (4) with a central recess (39) externally defined by a friction surface and a friction disc coupled with a central hub designed to be interlocked in rotation with the input shaft of a movement gear box comprising a clutch housing, the flywheel (13) bearing between its front and rear ends the rotor (6) of a rotating electric machine (2) comprising a fixed stator borne internally by a strut designed to be interlocked with at least one of the vehicle engine-clutch housing (14) block (62). The invention is applicable to a motor vehicle.

대표청구항 ▼

The invention concerns a friction clutch comprising a flywheel (3) with a front end designed to be fixed to a motor vehicle crankshaft (11) and a rear end in the form of a reaction plate (4) with a central recess (39) externally defined by a friction surface and a friction disc coupled with a centra

The invention concerns a friction clutch comprising a flywheel (3) with a front end designed to be fixed to a motor vehicle crankshaft (11) and a rear end in the form of a reaction plate (4) with a central recess (39) externally defined by a friction surface and a friction disc coupled with a central hub designed to be interlocked in rotation with the input shaft of a movement gear box comprising a clutch housing, the flywheel (13) bearing between its front and rear ends the rotor (6) of a rotating electric machine (2) comprising a fixed stator borne internally by a strut designed to be interlocked with at least one of the vehicle engine-clutch housing (14) block (62). The invention is applicable to a motor vehicle. an annular intermediate plate nonrotatably connected to said input shaft and disposed between said control extension and said activation extension; a coil for creating of an electromagnetic field in a coil pole upon introduction of an electrical current in said coil where said coil pole is mounted to said output shaft through a second one-way clutch; a clutch pack for frictionally rotatably connecting said input shaft to said output shaft upon application of said clamp load generated by said ball ramp mechanism; where upon introduction of an electrical current in said coil an electromagnetic field is generated to rotationally couple said coil pole to said control extension and said control extension to said intermediate plate and said intermediate plate to said activation extension. 2. The clutch assembly of claim 1, further comprising a plurality of circumferentially extending slots formed in said intermediate plate. 3. The clutch assembly of claim 1, further comprising a plurality of circumferentially extending slots formed in said control extension. 4. The clutch assembly of claim 1, further comprising a plurality of circumferentially extending slots formed in said activation extension. 5. The clutch assembly of claim 1, further comprising a plurality of circumferentially extending slots formed in said coil armature. 6. The clutch assembly of claim 1, further comprising a plurality of circumferentially extending slots formed in said coil armature and in said control extension and in said intermediate plate and in said activation extension. 7. The clutch assembly of claim 6, wherein said slots are in substantiated alignment at a specific rotational position. 8. The clutch assembly of claim 1, further comprising at least one slip joint interposed between said control plate and said control extension to nonrotatably couple said control plate to said control extension while allowing relative axial movement between said control plate and said control extension. 9. The clutch assembly of claim 1, further comprising at least one slip joint interposed between said activation plate and said activation extension to nonrotatably couple said activation plate to said activation extension while allowing relative axial movement between said control plate and said control extension. 10. The clutch assembly of claim 1, further comprising an activation sleeve interposed between said activation plate and said first one-way clutch. 11. The clutch assembly of claim 10, further comprising at least one slip joint interposed between the activation plate and an outer surface of said activation sleeve where an inside surface of said activation sleeve is mounted on said first one-way clutch. 12. The clutch assembly of claim 1, further comprising a gap sleeve contacting said activation extension and said control plate thereby limiting the separation distance between the said activation extension, said intermediate plate, said control plate and said coil armature. 13. The clutch assembly of claim 1, further comprising a hub nonrotatably connected to said clutch pack and to said input shaft. 14. The clutch assembly of claim 13, further comprising a first thrust bearing interposed between said hub and said output shaft and a second thrust bearing interposed between said control plate and said output shaft. 15. The clutch assembly of claim 1, further comprising an oil pump rotatably driven by said output shaft thereby forcing an oil through said clutch assembly. 16. The clutch assembly of claim 15, further comprising a plurality of oil distribution apertures connected to a shaft cavity where said oil pump forces oil into said shaft cavity and into said oil distribution apertures. 17. A clutch assembly for rotationally coupling two rotatable shafts comprising: an input shaft rotating about an axis of rotation; an output shaft having an axis of rotation; a ball ramp mechanism for generating a clamping force comprising; an annular control plate h aving an axis of rotation, said control plate having a plurality of circumferential control ramps formed in a face of said control plate, said control ramps varying in axial depth, an equivalent number of rolling elements one occupying each of said control ramps, an activation plate mounted to said input shaft through a first one-way clutch having an axis of rotation coaxial with said axis of rotation of said control plate, said activation plate having a plurality of activation ramps substantially identical in number, shape and radial position to said control ramps where said activation ramps at least partially oppose said control ramps and where each of said rolling elements is contained between one of said activation ramps and a respective control ramp, said control plate being axially and rotationally moveably disposed relative to said activation plate, said control plate having an annular control extension radially extending therefrom and said activation plate having an annular activation extension radially extending therefrom; an annular intermediate plate nonrotatably connected to said output shaft and disposed between said control extension and said activation extension; a coil for creating of an electromagnetic field in a coil pole upon introduction of an electrical current in said coil where said coil pole is mounted to said input shaft through a second one-way clutch; a clutch pack for frictionally rotatably connecting said output shaft to said input shaft upon application of said clamp load generated by said ball ramp mechanism; where upon introduction of an electrical current in said coil an electromagnetic field is generated to rotationally couple said coil pole to said control extension and said control extension to said intermediate plate and said intermediate plate to said activation extension. 18. The clutch assembly of claim 17, further comprising a plurality of circumferentially extending slots formed in said intermediate plate. 19. The clutch assembly of claim 17, further comprising a plurality of circumferentially extending slots formed in said control extension. 20. The clutch assembly of claim 17, further comprising a plurality of circumferentially extending slots formed in said activation extension. 21. The clutch assembly of claim 17, further comprising a plurality of circumferentially extending slots formed in said coil armature. 22. The clutch assembly of claim 17, further comprising a plurality of circumferentially extending slots formed in said coil armature and in said control extension and in said intermediate plate and in said activation extension. 23. The clutch assembly of claim 22, wherein said slots are in substantiated axial alignment at a specific rotational position. 24. The clutch assembly of claim 17, further comprising at least one slip joint interposed between said control plate and said control extension to nonrotatably couple said control plate to said control extension while allowing relative axial movement between said control plate and said control extension. 25. The clutch assembly of claim 17, further comprising at least one slip joint interposed between said activation plate and said activation extension to nonrotatably couple said activation plate to said activation extension while allowing relative axial movement between said control plate and said control extension. 26. The clutch assembly of claim 17, further comprising an activation sleeve interposed between said activation plate and said first one-way clutch. 27. The clutch assembly of claim 26, further comprising at least one slip joint interposed between the activation plate and an outer surface of said activation sleeve where an inside surface of said activation sleeve is mounted on said first one-way clutch. 28. The clutch assembly of claim 17, further comprising a gap sleeve contacting said activation extension and said control plate thereby limiting the separation distance between the said activation extensio n, said intermediate plate, said control plate and said coil armature. 29. The clutch assembly of claim 17, further comprising a drive hub nonrotatably connected to said clutch pack and to said input shaft. 30. The clutch assembly of claim 29, further comprising a first thrust bearing interposed between said drive hub and said output shaft and a second thrust bearing interposed between said control plate and said output shaft. 31. The clutch assembly of claim 17, further comprising an oil pump rotatably driven by said output shaft thereby forcing an oil through said clutch assembly. 32. The clutch assembly of claim 31, further comprising a plurality of oil distribution apertures connected to a shaft cavity where said oil pump forces oil into said shaft cavity and into said oil distribution apertures. 33. A clutch assembly for rotationally coupling two rotatable shafts comprising: an input shaft rotatable about an axis of rotation; an output shaft rotatable about an axis of rotation; a ball ramp mechanism for generating a clamping force comprising; an annular control plate having an axis of rotation, said control plate having a plurality of circumferential control ramps formed in a face of said control plate, said control ramps varying in axial depth, an equivalent number of rolling elements one occupying each of said control ramps, an activation plate mounted to said input shaft through a first one-way clutch having an axis of rotation coaxial with said axis of rotation of said control plate, said activation plate having a plurality of activation ramps substantially identical in number, shape and radial position to said control ramps where said activation ramps at least partially oppose said control ramps and where each of said rolling elements is contained between one of said activation ramps and a respective control ramp, said control plate being axially and rotationally moveably disposed relative to said activation plate, said control plate having an annular control extension radially extending therefrom and said activation plate having an annular activation extension radially extending therefrom; an annular intermediate plate nonrotatably connected to said output shaft and disposed between said control extension and said activation extension; a coil for creating of an electromagnetic field in a coil armature upon introduction of an electrical current in said coil where said coil armature is mounted to said input shaft through a second one-way clutch; a clutch pack for frictionally rotatably connecting said output shaft to said input shaft upon application of said clamp load generated by said ball ramp mechanism; a plurality of circumferential slots formed in said coil armature and in said control extension and in said intermediate plate and in said activation extension; a first slip joint interposed between said control plate and said control extension; a second slip joint interposed between said activation plate and said activation extension; a gap sleeve contacting said activation extension and said control plate for limiting the separation distance between said activation extension, said intermediate plate, and said control extension and said coil armature; where upon introduction of an electrical current in said coil an electromagnetic field is generated to rotationally couple said coil armature to said control extension and said control extension to said intermediate plate and said intermediate plate to said activation extension. 34. The clutch assembly of claim 33, further comprising an oil pump driven from said input shaft for providing pressurized oil to said clutch assembly. 35. The clutch assembly of claim 34, further comprising a shaft cavity formed in said input shaft for distributing said pressurized oil to at least one oil distribution aperture formed in said input shaft.