Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1981-03-02
1983-07-26
Maslousky, Paul E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91369A, 605471, F15B 910
Patent
active
043948332
ABSTRACT:
A low-pressure brake booster for automotive vehicles includes a low-pressure casing which is sealingly subdivided into a low-pressure chamber and a working chamber by an axially movable wall. The axially movable wall includes a flexible diaphragm abutting a diaphragm plate made of plastic. The diaphragm plate has a hub whose end surface is connected in a catching engagement with a metallic spacer ring. The spacer ring has radial ribs that extend through slots of a central reinforcement tube for the casing and transmits the boosting force from the diaphragm plate onto a control valve housing disposed internally of the tube. Latches extending from the diaphragm plate engage by means of detents behind the spacer ring and form a centering arrangement for a compression spring which urges the spacer ring against the hub of the diaphragm plate and, hence, the diaphragm plate into its inoperative position.
Wagner Wilfried
Weiler Rolf
Hill Alfred C.
IT&T Industries, Inc.
Maslousky Paul E.
O'Halloran John T.
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