发明公开
- 专利标题： MAITRE-CYLINDRE DE SYSTEME DE FREINS DE VEHICULES AUTOMOBILES A JOINT ANTI-RETOURNEMENT ET JOINT POUR UN TEL MAITRE-CYLINDRE.
- 专利标题（英）： Motor vehicle braking system master cylinder with non-return seal and seal for such a master cylinder
- 专利标题（中）： 对于这样的主缸检查密封和密封机动车总泵制动系统
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申请号： EP11793838.1申请日： 2011-12-13
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公开(公告)号： EP2651727A1公开(公告)日： 2013-10-23
- 发明人: GRECH, Daniel , QUINIOU, Nicolas , LHUILLIER, Laurent , AUGUSTE, Antony , CHARPENTIER, Carole
- 申请人： Robert Bosch GmbH
- 申请人地址： Wernerstrasse 1 70442 Stuttgart DE
- 专利权人： Robert Bosch GmbH
- 当前专利权人： Robert Bosch GmbH
- 当前专利权人地址： Wernerstrasse 1 70442 Stuttgart DE
- 优先权： FR1004951 20101217
- 国际公布： WO2012080253 20120621
- 主分类号： B60T11/16
- IPC分类号： B60T11/16 ; B60T11/20 ; B60T11/236 ; F16J15/32
摘要：
Master cylinder having a body equipped with a bore housing at least one piston operated by the driver. The piston, which forms a slide valve, separates the feed chamber connected to the brake fluid reservoir from a pressure chamber connected to the brake circuits. The feed chamber is bordered by a groove (152) accommodating a seal (180) separating it from the outside, with respect to the surface of the piston (130). The seal (180) has a cross section in the shape of a lying-down U, one leg (181) of which is pressed against the closed end (152a) of the groove (152) and its two adjacent wall (152b, 152c), the other leg (182) providing sealing by pressing against the piston (130). The end (184) of at least one of the two legs (181, 182) has a flat surface intended to press against the side (152c) of the groove (152).
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