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    • 2. 发明授权
    • Spring brake actuator with sealed chamber and method for sealing
    • 带密封腔的弹簧制动执行器和密封方法
    • US06357337B1
    • 2002-03-19
    • US09549188
    • 2000-04-14
    • Francisco AlvarezMark A. Davis
    • Francisco AlvarezMark A. Davis
    • F01B1900
    • B60T17/083
    • A sealed vehicle brake actuator having a housing divided into a first chamber and a second chamber by a movable member such as a diaphragm. The housing comprises a first and second portion joined with the diaphragm therebetween to seal the portions to one another and mount the diaphragm. The joint is formed by deforming at least a part of the first portion into a groove formed in the second portion with the diaphragm pinched between first and second housing portions. The deforming of a part of the first portion into the groove can be accomplished by deforming the wall edge of the first portion, continuously or discretely, into the groove, preferably by rolling. Alternatively, the sidewall of the first portion overlying the groove can be deformed into the groove by rolling the first portion, continuously or discretely, or by discretely punching the sidewall.
    • 一种密封的车辆制动器致动器,其具有通过诸如隔膜的可动构件分成第一室和第二室的壳体。 壳体包括与其间的隔膜连接的第一和第二部分,以将部分彼此密封并安装隔膜。 接头是通过将第一部分的至少一部分变形成形成在第二部分中的槽而形成的,其中隔膜夹在第一和第二壳体部分之间。 第一部分的一部分变形成凹槽可以通过使第一部分的壁边缘连续或离散地优选地通过轧制而变形成凹槽来实现。 或者,覆盖凹槽的第一部分的侧壁可以通过连续或离散地滚动第一部分或通过离散地冲压侧壁而变形成凹槽。