Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1980-04-24
1982-09-21
Maslousky, Paul E.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91376R, F15B 910
Patent
active
043500765
ABSTRACT:
In the brake booster known in the prior art, the partition wall comprises a metal disc supported by a control hub made of a plastic material. The force exerted on the partition wall is transmitted through the hub to a force transmitting member actuating a master brake cylinder. According to the present invention the hub is composed of a metal sleeve transmitting the forces and a guiding neck of plastic material including all air guiding channels of the control valve disposed therein. This guiding neck can be manufactured much easier and can be made of a plastic material of just sufficient strength to meet the reduced force transmitting requirements.
REFERENCES:
patent: 3350882 (1967-11-01), Leising
patent: 3517588 (1970-06-01), Kytta
patent: 3845692 (1974-11-01), Takeuchi
Hill Alfred C.
IT&T Industries, Inc.
Maslousky Paul E.
O'Halloran John T.
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