The present invention relates to a multi-disc clutch for the transfer of torque between a first clutch part and a second clutch part, having at least one first and at least one second disc that engage on another and that are movable parallel to a rotational axis of the multi-disc clutch, and having
The present invention relates to a multi-disc clutch for the transfer of torque between a first clutch part and a second clutch part, having at least one first and at least one second disc that engage on another and that are movable parallel to a rotational axis of the multi-disc clutch, and having a reset device for the receiprocal ventilation of adjacent discs. The first clutch part is connected in a rotationally secure fashion to the first disc and the second clutch part is connected in a rotationally secure fashion to the second disc. The reset device has at least two reset elements that are disposed eccentrically relative to the rotational axis and distributed in the circumferential direction.
대표청구항▼
1. A multi-disc clutch for transmitting torque between a first rotary part and a second rotary part, the multi-disc clutch comprising: a counterpressure plate rotationally and axially fixedly connected to the first rotary part;a disc stack disposed adjacent to the counterpressure plate and including
1. A multi-disc clutch for transmitting torque between a first rotary part and a second rotary part, the multi-disc clutch comprising: a counterpressure plate rotationally and axially fixedly connected to the first rotary part;a disc stack disposed adjacent to the counterpressure plate and including a set of first discs alternatively interleaved with a set of second discs, the first discs being connected for rotation with the first rotary part and axial displacement relative thereto, the second discs being connected for rotation with the second rotary part and axial movement relative thereto, the first discs each having at least two conduit apertures;a pressure piston connected for rotation with the first rotary part and being axially moveable relative to the disc pack and the counterpressure plate between a released position and an engaged position, the pressure piston being operable in its released position to release fictional engagement of the disc stack for establishing a non-torque transferring mode and being operable in its engaged position to frictionally engage the disc stack for establishing a torque transferring mode;a distributor insert fixed for rotation with the pressure piston, the distributor insert being configured to at least partially define a lubricant chamber and including at least two axially-extending tubular conduit extensions that are in fluid communication with the lubricant chamber, each of the at least two tubular conduit extensions arranged to extend through a corresponding one of the at least two conduit apertures in the first discs;a reset device including at least two reset elements each disposed within a corresponding one of the at least two tubular conduit extensions, each of the reset elements arranged to act between the counterpressure plate and the pressure piston for normally biasing the pressure piston toward its released position;an actuator operable for forcibly moving the pressure piston from its released position into its engaged position in opposition to the biasing exerted on the pressure plate by the reset elements; anda lubricant conduit configured to supply a lubricant to the lubricant chamber of the distributor insert. 2. The multi-disc clutch of claim 1 further including a tubular member fixed for rotation with the pressure piston and defining a lubricant channel with the first rotary part that is arranged to transmit the lubricant from the lubricant conduit to the lubricant chamber in the distributor insert. 3. The multi-disc clutch of claim 1 wherein the tubular conduit extensions in the distributor insert include apertures configured to permit the lubricant supplied to the conduit extensions from the lubricant conduit to be discharged into the disc stack for cooling and lubricating the interleaved first and second discs. 4. The multi-disc clutch of claim 1 wherein the distributor insert further includes axially-extending pins extending from a base section of the tubular conduit extensions, and wherein the reset elements are coil springs arranged within the tubular conduit extension to surround the pins. 5. The multi-disc clutch of claim 4 wherein the counterpressure plate includes at least two bores that are adapted to receive a distal end of a corresponding pin upon movement of the distributor insert with the pressure piston between its released and engaged positions. 6. The multi-disc clutch of claim 1 wherein each one of the at least two reset elements disposed in the at least two tubular conduit extensions of the distributor insert has a first segment retained in a recess formed in the pressure piston and a second segment retained in a recess formed in the counterpressure plate. 7. The multi-disc clutch of claim 1 wherein each one of the at least two reset elements disposed in the at least two tubular extensions of the distributor insert is a coil spring having a first end engaging the pressure piston and a second end engaging the counterpressure plate. 8. The multi-disc clutch of claim 1 wherein each reset element is a spring having a first end supported in a recess formed in the pressure piston and a second end supported in a recess formed in the counterpressure plate. 9. The multi-disc clutch of claim 1 wherein the lubricant chamber is delineated between the pressure piston, an annular plate segment of the distributor insert, and a side wall segment of the distributor insert connected to the annular plate segment and extending toward the pressure piston, and wherein the annular plate segment surrounds the first rotary part and the side wall segment axially offsets the lubricant chamber relative to the first disc stack. 10. The multi-disc clutch of claim 1 wherein the first rotary part is a shaft defining a rotary axis, wherein the second rotary part is a clutch drum coaxially surrounding the shaft, wherein the counterpressure plate includes internal splines that are meshed with external splines on the shaft, wherein the first discs are inner discs having internal splines meshed with the external splines on the shaft, wherein the pressure piston has a central aperture with internal spline segments meshed with the external splines on the shaft, and wherein the second discs are outer discs having an outer diameter surface splined to the clutch drum and an inner diameter surface surrounding the tubular conduit extensions extending axially from the distributor insert. 11. The multi-disc clutch of claim 10 wherein the distributor insert includes axially-extending locking levers configured to extend through the central aperture in the pressure piston and engage the pressure piston between its internal spline segments for fixing the distributor insert for common rotation and axial movement with the pressure piston. 12. The multi-disc clutch of claim 10 further including a conical member surrounding the shaft for defining a lubricant channel providing fluid communication between the lubricant conduit and the lubricant chamber in the distributor insert, and wherein the conical member if fixed for common rotation and axial movement with the pressure piston. 13. The multi-disc clutch of claim 1 wherein the first rotary part includes a shaft and a coupling sleeve fixed for rotation with the shaft, and wherein the first discs are rotationally fixedly and axially moveably connected to the coupling sleeve. 14. The multi-disc clutch of claim 1 further including a retaining device operable for securing the reset elements, the retaining device including two fastening elements for each of the reset elements, wherein one of the two fastening elements is formed on the counterpressure plate and the other one of the two fastening elements is formed on one of the pressure piston and the distributor insert. 15. The multi-disc clutch of claim 14 wherein the fastening elements comprise components selected from a group including recesses and posts. 16. The multi-disc clutch of claim 1 wherein the first discs are inner discs having an inner diameter surface connected to the first rotary part, wherein the second discs are outer discs having an outer diameter surface connected to the second rotary part, wherein the conduit apertures in each of the inner discs is formed radially outward of the inner diameter surface, and wherein the outer discs surround the tubular conduit extensions so as to permit the inner discs to rotate relative to the outer discs. 17. The multi-disc clutch of claim 1 wherein the number of tubular conduit extensions extending from the distributor insert is equal to the number of reset elements such that one of the reset elements is disposed in each one of the tubular conduit extensions. 18. The multi-disc clutch of claim 1 wherein the tubular conduit extensions of the distributor insert are circumferentially aligned relative to a rotary axis of the first rotary part. 19. The multi-disc clutch of claim 18 wherein the tubular conduit extensions of the distributor insert are arranged to lie on a common circle having a center point coincident with the rotary axis. 20. The multi-disc clutch of claim 18 wherein the tubular conduit extensions of the distributor insert are evenly distributed in a circumferential direction. 21. A multi-disc clutch for transmitting torque between a rotary shaft and a rotary clutch part, the multi-disc clutch comprising: a clutch pack having a plurality of inner friction discs alternatively interleaved with a plurality of outer frictions discs, the inner discs being splined for rotation with and axial movement on the shaft and the outer discs being splined for rotation with and axial sliding movement on the clutch part, the inner discs having at least two conduit apertures;a counterpressure plate rotationally and axially fixedly connected to the shaft adjacent a first end of the clutch pack, the counterpressure plate having first fastening elements aligned with each of the at least two conduit apertures it the inner discs;a pressure piston fixed for rotation with the shaft and axial movement relative to a second end of the clutch pack between a first position and a second position, the pressure plate being operable in its first position to release frictional engagement of the clutch pack for establishing a non-torque transmitting mode and being operable in its second position to frictionally engage the clutch pack for establishing a torque transmitting mode, the pressure pistol having second fastening elements aligned with each of the at least two conduit apertures in the inner discs;a distributor insert fixed for common rotation and axial movement with the pressure piston, the distributor insert being configured to at least partially define an annular lubricant chamber and at least two axially-extending tubular extensions that are in fluid communication with the lubricant chamber, the lubricant chamber being delineated by the pressure piston, an annular plate segment of the distributor insert, and a side wall segment of the distributor insert connected to the annular plate segment and extending toward the pressure piston, the lubricant chamber is adapted to receive lubricant from a remote source, each of the at least two tubular extensions being configured to pass through a corresponding one of the at least two conduit apertures in the inner discs;a reset device including at least two reset elements each disposed within a corresponding one of the tubular extensions of the distributor insert, each of the reset elements operable to normally bias the pressure piston toward its first position, each reset element having a first portion engaging a corresponding one of the first fastening elements on the counterpressure plate and a second portion engaging a corresponding one of the second fastening elements on the pressure piston; andan actuator operable for moving the pressure piston from its first position into its second position in opposition to the biasing of the reset elements. 22. The multi-disc clutch of claim 21 wherein the outer discs having an inner diameter surface configured to surround each of the at least two axially-extending tubular extensions of the distribution insert so as to permit relative rotation between the inner and outer discs when the pressure piston is in its first position, and wherein each of the at least two tubular extensions includes at least one aperture for supplying lubricant from within the extensions into the clutch pack. 23. The multi-disc clutch of claim 21 wherein the first fastening elements comprise recesses formed in the counterpressure plate, and wherein the second fastening elements comprise recesses formed in the pressure piston. 24. A multi-disc clutch, comprising: an inner rotary part rotatable about a rotational axis;an outer rotary part surrounding the inner rotary part for rotation relative thereto about the rotational axis;a counterpressure plate rotationally and axially fixedly connected to the inner rotary part;a disc stack disposed adjacent to the counterpressure plate and including an inner disc coupled for rotation with the inner rotary part and an outer disc coupled for rotation with the outer rotary part, the inner disc having first and second conduit apertures formed therethrough;a pressure plate assembly including a pressure piston, a distributor insert rotationally and axially fixedly connected to the pressure piston, and a reset device, the pressure piston being axially moveable relative to the disc stack between a released position and an engaged position, the pressure piston being operable in its released position to disengage the disc stack and being operable in its engaged position to frictionally engage the disc stack, the distributor insert including a radially extending plate segment and an axially extending end wall segment at least partially defining an annular lubricant chamber, the distributor insert further including first and second axially-extending tubular conduits in fluid communication with the lubricant chamber and which pass through corresponding ones of the first and second conduit apertures in the inner disc, the first tubular conduit having a first lubricant opening and the second tubular conduit having a second lubricant opening, the reset device being operable to normally bias the pressure piston toward its released position, the reset device having a first reset element disposed within the first tubular conduit and a second reset element disposed within the second tubular conduit, wherein each of the first and second reset elements engages the counter pressure plate and one of the distributor insert and the pressure piston; andan actuator for moving the pressure plate from its released position into its engaged position in opposition to the biasing of the first and second reset elements;wherein a lubricant is supplied from a source of lubricant through the lubricant chamber into the first conduit and the second conduit and is discharged through the first and second lubricant openings for cooling the disc stack. 25. The multi-disc, clutch of claim 24 wherein the counterpressure plate includes a pair of first fastening elements, wherein the pressure piston includes a pair of second fastening elements, wherein the first reset element is a first spring having one end engaging one of the first fastening elements and another end engaging one of the second fastening elements, and wherein the second reset element is a second spring having one end engaging the other one of the first fastening elements and a second end engaging the other one of the second fastening elements. 26. The multi-disc clutch of claim 25 wherein the first fastening elements are first recesses formed in the counterpressure plate, wherein the second fastening elements are second recesses formed in the pressure piston, and wherein the ends of the first spring are disposed in an aligned first pair of the first and second recesses and the ends of the second spring are disposed in an aligned second pair of the first and second recesses.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (4)
Kozhevnikov Victor A.,RUX ; Kozhevnikov Eugene V.,RUX ; Vovkotroub Vladimir M.,RUX ; Nesterov Leonid P.,RUX, Combined clutch-brake mechanism.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.