IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0315339
(2008-12-02)
|
등록번호 |
US-8434602
(2013-05-07)
|
우선권정보 |
DE-10 2006 059 667 (2006-12-18) |
발명자
/ 주소 |
- Kombowski, Eugen
- Maienschein, Stephan
|
출원인 / 주소 |
- Schaeffler Technologies AG & Co. KG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
4 |
초록
▼
A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit and a shaft rotatable about a rotation axis, including: a hydrodynamic torque converter, which includes a converter cover, connectable to the drive unit, and which can be coupled through a pum
A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit and a shaft rotatable about a rotation axis, including: a hydrodynamic torque converter, which includes a converter cover, connectable to the drive unit, and which can be coupled through a pump shell to a turbine shell for torque transfer, which can be bridged by a torque converter lockup clutch for torque transfer, which comprises a piston, movable in an axial direction within a range towards the cover in order to clamp a friction liner support with at least one friction liner between the piston and the cover for torque transfer. A friction ring is disposed between the piston and the friction liner support, and the friction ring is movable in an axial direction within a range between the piston and the friction liner support and connected to the converter cover.
대표청구항
▼
1. A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit (3) and a shaft (26) rotatable about a rotation axis (12), comprising: a hydrodynamic torque converter (6), which comprises a damper with at least one spring, a converter cover (14), connec
1. A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit (3) and a shaft (26) rotatable about a rotation axis (12), comprising: a hydrodynamic torque converter (6), which comprises a damper with at least one spring, a converter cover (14), connectable to the drive unit (3), and which can be coupled through a pump shell (20) to a turbine shell (21) for torque transfer, which can be bridged by a torque converter lockup clutch (31) for torque transfer, which comprises a piston (30), which can be moved in an axial direction within a range towards the converter cover (14) in order to clamp a friction liner support (34) with at least one friction liner (35, 36) between the piston (30) and the converter cover (14) for torque transfer, wherein: a friction ring (38) is disposed between the piston (30) and the friction liner support (34);said friction ring is movable in an axial direction within a range between the piston (30) and the friction liner support (34) and connected to the converter cover (14) for torque transfer;the piston (30) is moveable to contact the friction ring (38) to displace the friction ring (38) so that the friction ring (38) engages with the friction liner (36) located between the friction ring (38) and the friction liner support (34);the friction liner support (34) is in direct contact with the at least one spring;the friction ring (38) is movable in the axial direction by a leaf spring device (40) within the range, leaf spring device (40) connected to the converter cover (14) for torque transfer;the leaf spring device (40) comprises plural leaf spring elements (41), which are substantially disposed in circumferential direction;wherein the leaf spring elements (41) each comprise a first mounting spot (44), where the leaf spring elements (41) are mounted to the converter cover (14) and comprise a second mounting spot (45), where the leaf spring elements (41) are mounted to the piston (30);the leaf spring elements (41) respectively comprise a third mounting spot (46), where the leaf spring elements (41) are mounted to the friction ring (38); andthe third mounting spot (46), in a circumferential direction, is disposed respectively between the first mounting spot (44) and the second mounting spot (45). 2. The torque transfer device according to claim 1, wherein the leaf spring elements (41) substantially comprise the shape of circular arcs. 3. The torque transfer device according to claim 1, wherein the leaf spring elements (41) comprise one pass-through hole per mounting spot (44-46). 4. The torque transfer device according to claim 1, wherein the friction ring (38) substantially comprises the configuration of a circular annular disk. 5. The torque transfer device according to claim 1, wherein the friction ring (38) at its inner circumference comprises radially inward extending mounting ears (60, 61), which are used for mounting the leaf spring device (40). 6. The torque transfer device according to claim 1, wherein the shaft (26) is a transmission input shaft. 7. A method for assembling a torque transfer device according to claim 1, comprising the following assembly steps: mounting the leaf spring device (40) to a friction ring (38);inserting the friction ring (38), including the leaf spring device (40) mounted thereon, into the converter cover (14), in which the friction liner support (34) is disposed; andmounting the leaf spring device (40) to the converter cover (14). 8. The method according to claim 7, further comprising mounting the piston (30) to the leaf spring device (40). 9. A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit (3) and a shaft (26) rotatable about a rotation axis (12), comprising: a hydrodynamic torque converter (6), which comprises a damper with at least one spring, a converter cover (14), connectable to the drive unit (3), and which can be coupled through a pump shell (20) to a turbine shell (21) for torque transfer, which can be bridged by a torque converter lockup clutch (31) for torque transfer, which comprises a piston (30), which can be moved in an axial direction within a range towards the converter cover (14) in order to clamp a friction liner support (34) with at least one friction liner (35, 36) between the piston (30) and the converter cover (14) for torque transfer, wherein a friction ring (38) is disposed between the piston (30) and the friction liner support (34), wherein said friction ring is movable in an axial direction within a range between the piston (30) and the friction liner support (34) and connected to the converter cover (14) for torque transfer, and wherein the piston (30) is moveable to contact the friction ring (38) to displace the friction ring (38) so that the friction ring (38) engages with the friction liner (36) located between the friction ring (38) and the friction liner support (34) and wherein: the friction liner support (34) is in direct contact with the at least one spring;the friction ring is connected to the cover and the piston with a leaf spring; and,respective connection points between a first leaf spring portion and the cover and friction ring and between a second leaf spring portion and the friction ring and piston are at a same radial distance from the rotation axis.
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