发明申请
- 专利标题: METHOD AND DEVICE FOR CONTROLLING THE OIL SUPPLY OF AN AUTOMATIC GEARBOX AND A STARTING ELEMENT
- 专利标题(中): 用于控制自动齿轮箱和起动元件供油的方法和装置
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申请号: US11908658申请日: 2006-03-08
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公开(公告)号: US20090232673A1公开(公告)日: 2009-09-17
- 发明人: Matthias Reisch , Ralf Dreibholz , Gerhard Gumpoltsberger
- 申请人: Matthias Reisch , Ralf Dreibholz , Gerhard Gumpoltsberger
- 申请人地址: DE Friedrichshafen
- 专利权人: ZF Friedrichshafen AG
- 当前专利权人: ZF Friedrichshafen AG
- 当前专利权人地址: DE Friedrichshafen
- 优先权: DE102005013137.9 20050322
- 国际申请: PCT/EP06/02106 WO 20060308
- 主分类号: F04B35/01
- IPC分类号: F04B35/01 ; F04B35/04 ; F01P3/00
摘要:
A method and a device for controlling the oil supply of an automatic transmission (gearbox) and to a starting element. The method can guarantee a sufficient supply of oil to a hydraulic control unit of the automatic transmission and/or the starting element, in particular an oil-cooled friction clutch, both during the operation of the internal combustion engine (4) and when the latter is at a standstill with the aid of an oil pump (2) that can be mechanically driven by the internal combustion engine (4) and a second oil pump (3) that can be electrically driven. In addition, the cooling oil supply of the starting element is guaranteed by the provision of a low-pressure oil by way of the electrically driven oil pump (3), at least during the starting operation, the stream cooling the starting element (11).
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