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公开(公告)号：EP1706302B1
公开(公告)日：2007-08-22
申请号：EP04804865.6
申请日：2004-12-15
发明人： DROTT, Peter , KÖNIG, Harald , JUNGMANN, Udo , BISCHOFF, Andreas , LOKE, Jörg , KÜSTER, Mathias
IPC分类号： B60T8/38 , B60T11/232 , B60T11/16
CPC分类号： B60T11/16 , B60T11/232
摘要： The invention relates to a master cylinder (1), especially for a regulated brake system. Said master cylinder comprises at least one piston (3,4;53,54) that can be displaced in a housing (2) and is sealed, by means of a sealing element (5,6) arranged in an annular groove (23,24) of the housing (2), from a pressurised region (7,8) that can be connected to a pressureless wake region (11,12) by means of transversal boreholes (9,10;50,51) in the piston (3,4;53,54). The invention is based on the fact that the inner side (13,14;59,60) of the piston (3,4; 53,54) is provided with recesses (15,16,17) in which the transversal boreholes (9,10;50,51) end.
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公开(公告)号：EP1706302A1
公开(公告)日：2006-10-04
申请号：EP04804865.6
申请日：2004-12-15
发明人： DROTT, Peter , KÖNIG, Harald , JUNGMANN, Udo , BISCHOFF, Andreas , LOKE, Jörg , KÜSTER, Mathias
IPC分类号： B60T8/38 , B60T11/232 , B60T11/16
CPC分类号： B60T11/16 , B60T11/232
摘要： The invention relates to a master cylinder (1), especially for a regulated brake system. Said master cylinder comprises at least one piston (3,4;53,54) that can be displaced in a housing (2) and is sealed, by means of a sealing element (5,6) arranged in an annular groove (23,24) of the housing (2), from a pressurised region (7,8) that can be connected to a pressureless wake region (11,12) by means of transversal boreholes (9,10;50,51) in the piston (3,4;53,54). The invention is based on the fact that the inner side (13,14;59,60) of the piston (3,4; 53,54) is provided with recesses (15,16,17) in which the transversal boreholes (9,10;50,51) end.
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