IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0539114
(2015-12-23)
|
등록번호 |
US-10226993
(2019-03-12)
|
우선권정보 |
FR-14 63234 (2014-12-23) |
국제출원번호 |
PCT/EP2015/081205
(2015-12-23)
|
국제공개번호 |
WO2016/102692
(2016-06-30)
|
발명자
/ 주소 |
- Recoura, Clement Philippe
|
출원인 / 주소 |
- POCLAIN HYDRAULICS INDUSTRIE
|
대리인 / 주소 |
Womble Bond Dickinson (US) LLP
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
10 |
초록
▼
An assembly (20) comprising a radial piston hydraulic motor (10), comprising a fixed housing (15), a shaft (14) that can be driven in rotation by the hydraulic motor (10), a wheel hub (30) comprising a hub barrel (31) that engages on the shaft (14), a bearing (40), a bearing support (41), in which t
An assembly (20) comprising a radial piston hydraulic motor (10), comprising a fixed housing (15), a shaft (14) that can be driven in rotation by the hydraulic motor (10), a wheel hub (30) comprising a hub barrel (31) that engages on the shaft (14), a bearing (40), a bearing support (41), in which the bearings (40) are housed between the hub barrel (31) and the bearing support (41) of the hydraulic motor (10), the bearing support (41) forming part of the housing (15), such that the bearing function is carried out by the housing (15), the shaft (14) supporting only the weight of same and having only a torque function.
대표청구항
▼
1. An assembly comprising: a hydraulic motor with radial pistons, comprising a fixed housing,a shaft, which can be driven in rotation directly by the hydraulic motor,a wheel hub comprising a hub barrel which grips the shaft (14), the hub being configured to be attached to a wheel,a bearing,a bearing
1. An assembly comprising: a hydraulic motor with radial pistons, comprising a fixed housing,a shaft, which can be driven in rotation directly by the hydraulic motor,a wheel hub comprising a hub barrel which grips the shaft (14), the hub being configured to be attached to a wheel,a bearing,a bearing support,whereinthe bearing is housed between the hub barrel and the bearing support of the hydraulic motor,the bearing support is a part of the housing,at a longitudinal position of the bearing the following elements are arranged from the radially innermost to the radially outermost; the shaft the hub barrel, the bearing, the housing. 2. The assembly according to claim 1, wherein the hydraulic motor comprises a cylinder block which drives the shaft in rotation and wherein said cylinder block and shaft can be disengaged, the bearing function being retained by the housing in the disengaged and engaged position. 3. The assembly according to claim 2, comprising a multi-disk coupler between the cylinder block and the shaft, the coupler allowing engagement and disengagement. 4. The assembly according to claim 1, wherein the bearing is situated longitudinally between the hub and the hydraulic motor. 5. The assembly according to claim 1, wherein the shaft is a through shaft on the side of the hydraulic motor. 6. The assembly according to claim 5, wherein a cardan shaft is connected to the through portion of the shaft, said cardan transmitting a torque to the shaft. 7. The assembly according to claim 6, wherein said cardan is connected to a mechanical transmission chain, the hydraulic motor applying a torque in the same direction or in the opposite direction to that exerted by said mechanical transmission. 8. The assembly according to claim 1, wherein the motor comprises a speed measurement function comprising a target linked to a rotating portion and a sensor linked to a fixed portion of the motor, giving an indication of the rotation speed of the wheel even if the motor (10) is disengaged. 9. The assembly according to the claim 8, wherein the target is housed in the emerging end of the shaft on the side of the hydraulic motor, the sensor being attached to a fixed portion. 10. The assembly according to claim 1, also comprising brakes. 11. The assembly according to claim 10, wherein the brake is a disk brake firmly mounted to the hub and a caliper firmly mounted to the housing, and/or to a distribution cover and adapted to clamp the disk. 12. The assembly according to claim 10, wherein the brake is a drum brake, with a drum firmly attached to the hub, and at least one shoe firmly attached to the housing. 13. A system comprising an assembly according to claim 1 and a suspension element, characterized in that the housing and/or a distribution cover is firmly attached to the suspension element. 14. The system according to claim 13, wherein supply lines are carried by the housing or the distribution cover firmly attached to the suspension element. 15. An assembly method of a system according to claim 13, comprising firmly attaching the motor and the brakes with the suspension element by means of screws. 16. The assembly method according to claim 15, wherein the firm attachment step comprises the following steps: (E1) installation and firm attachment of a fixed portion of the brakes to the suspension element by means of screws, the screws being inserted first into the suspension element, then subsequently into the fixed portion,(E2) installation and firm attachment of the motor to the suspension element by means of screws, each screw being inserted first into the housing of the motor, then subsequently into the suspension element,in such a manner that the assembly is designed to be carried out from the interior of the vehicle, on the axle side. 17. The assembly method according to claim 15, wherein the system comprises brakes wherein the firm attachment step comprises the following steps: (E′0, E′00) installation of the motor and of a fixed portion of the brakes on either side of the suspension element (70),(E′1) firm attachment of the motor, of the suspension element (70) and of the fixed portion of the brakes, by means of screws, each screw being inserted first into the fixed portion then into the suspension element and finally into the housing,in such a manner that the assembly can be carried out from the outside of the vehicle, on the wheel side. 18. The assembly method according to claim 15, comprising a step consisting of (E3, E′2) installation of the hub and of a movable portion (61, 63) of the brakes, configured to be firmly attached to the hub (30),(E4, E′3) installation of a spindle nut at the end of the shaft to hold the hub. 19. A vehicle comprising a system according to claim 13. 20. A vehicle comprising an assembly according to claim 1.
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