VARIABLE DISPLACEMENT PUMP COMPRISING A FLOW RATE REGULATOR AND A PRESSURE VALVE |
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| 申请号 | PCT/EP2009004772 | 申请日 | 2009-07-02 | 公开(公告)号 | WO2010006705A8 | 公开(公告)日 | 2010-12-02 |
| 申请人 | IXETIC BAD HOMBURG GMBH; VAN NGUYEN DOAN; LAUTH HANS JUERGEN; | 发明人 | VAN NGUYEN DOAN; LAUTH HANS JUERGEN; | ||||
| 摘要 | The invention relates to a variable displacement pump having a cam ring which can be adjusted as a function of the pressure in a first adjusting pressure chamber and in a second adjusting pressure chamber, and having a flow rate regulator which is designed as a slide valve with a flow rate regulating piston which has a plurality of control edges and which is acted on with a differential pressure prevailing upstream and downstream of a hydraulic resistance, and having a pressure valve. The invention is characterized in that the pressure valve is designed as a slide valve with a pressure regulating piston which has a pressure control edge and which is acted on, on a pressure control surface, with the pressure prevailing upstream or if appropriate downstream of the hydraulic resistance in the high-pressure region. | ||||||
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