发明公开
EP0407895A3 Slipping bypass clutch construction for a hydrokinetic torque converter
失效
拖动式离合器结构用于水动力转矩转换器
- 专利标题: Slipping bypass clutch construction for a hydrokinetic torque converter
- 专利标题(中): 拖动式离合器结构用于水动力转矩转换器
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申请号: EP90112884.3申请日: 1990-07-05
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公开(公告)号: EP0407895A3公开(公告)日: 1991-07-31
- 发明人: Macdonald, Fraser J.
- 申请人: FORD-WERKE AKTIENGESELLSCHAFT , FORD MOTOR COMPANY LIMITED , FORD FRANCE S. A.
- 申请人地址: D-50725 Köln DE
- 专利权人: FORD-WERKE AKTIENGESELLSCHAFT,FORD MOTOR COMPANY LIMITED,FORD FRANCE S. A.
- 当前专利权人: FORD-WERKE AKTIENGESELLSCHAFT,FORD MOTOR COMPANY LIMITED,FORD FRANCE S. A.
- 当前专利权人地址: D-50725 Köln DE
- 代理机构: Gauger, Hans-Peter, Dipl.-Ing.
- 优先权: US377032 19890710
- 主分类号: F16H45/02
- IPC分类号: F16H45/02
摘要:
A hydrokinetic torque converter and lockup clutch assembly comprising an impeller housing (80) and a clutch construction situated within the housing (80) comprising a clutch plate (86) in the form of a piston having formed thereon an annular friction surface (90), a friction disc (92) located between the friction surface (90) of the clutch plate (86) and an adjacent wall (82) of the impeller housing (80) and having an inner margin (94) secured to the impeller housing (80) at a location radially inward of the friction surface (90), friction material (100) formed on the friction disc (92) and flow passage means for establishing a circuitous cooling oil flow path across the dynamic friction surfaces of the clutch to establish cooling and for eliminating wear as the pressure in the clutch control pressure chamber is modulated to effect a continuous slipping of the clutch surfaces during operation of the converter, the friction disc (92) providing a shield that minimizes heat transfer to the impeller housing (80) and for providing maximum compliance of the face of the friction surface (90) with respect to the friction material (100) carried by the friction disc (92).
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