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1. 发明申请

WO03031245A3 IMPROVED MASTER CYLINDER FOR BRAKING SYSTEM 审中-公开
标题翻译：改进制动系统的主缸
公开(公告)号：WO03031245A3
公开(公告)日：2003-10-16
申请号：PCT/FR0203406
申请日：2002-10-07
申请人： BOSCH GMBH ROBERT , DELAGE JEAN-PIERRE , NEN YANNICK , MANFREDINI STEPHANE
发明人： DELAGE JEAN-PIERRE , NEN YANNICK , MANFREDINI STEPHANE
IPC分类号： B60T11/16 , B60T11/228 , B60T11/232
CPC分类号： B60T11/228 , B60T11/232
摘要： The invention concerns a master cylinder comprising a body (12) delimiting a braking fluid supply chamber (14) and at least a primary pressurizing chamber (16), a primary piston (18) separating the supply and the primary chambers, axially mobile between an inactive position and a position for pressurizing the primary chamber (14), a feeding channel (40) and means (42) for connecting said feeding channel with the supply chamber. Said connecting means (42) include two axially offset openings (44, 46), called front and rear relative to the displacement direction of the primary piston (18) during braking, the front opening (46) capable of being at least partially closed, by displacement of the primary piston (18) such that, when the primary piston (18) is in its inactive position, the cross-section of the fluid passage through said front opening (46) is minimal.
摘要翻译：本发明涉及一种主缸，其包括限定制动流体供应室（14）的主体（12）和至少一个初级加压室（16），主要活塞（18）将供应源和主室分开，无效位置和用于对主室（14）加压的位置，进料通道（40）和用于将所述进料通道与供应室连接的装置（42）。所述连接装置（42）包括在制动期间相对于主活塞（18）的移动方向称为前后的两个轴向偏移的开口（44,46），前开口（46）能够至少部分关闭，通过主活塞（18）的位移，使得当主活塞（18）处于其不起作用的位置时，通过所述前开口（46）的流体通道的横截面最小。

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