公开(公告)号：US07040093B2

公开(公告)日：2006-05-09

申请号：US10484327

申请日：2002-07-11

申请人： Pierre Legret ,  Philippe Bourlon

发明人： Pierre Legret ,  Philippe Bourlon

IPC分类号： B60T11/228

CPC分类号： B60T11/232

摘要： This invention relates to a master cylinder of the so-called “penetration” type, in which a cup (3), which is fitted inside a groove (11) of the master cylinder, bears on the wall (20) of a piston (2) in a sealing manner, and in which such wall (20) is provided with main resupply ports (51).According to the invention, the wall (20) of the piston (2) also comprises secondary resupply ports (52) having a smaller size than that of the main resupply ports (51) and disposed farther from the bottom part (33) of the cup (3), and achieving an outstanding static resupply of the master cylinder with brake fluid, with a reduced dynamic dead stroke.

摘要翻译： 本发明涉及一种所谓“穿透”型的主缸，其中装配在主缸的槽（11）内的杯（3）承载在活塞的壁（20）上 2），并且其中这种壁（20）设置有主补给口（51）。 根据本发明，活塞（2）的壁（20）还包括具有比主补给口（51）更小的尺寸的二次补给口（52），并且从第二补给口52的底部（33） 杯（3），并且用制动液实现了主缸的静态补给，动态死区行程减小。