Diaphragm brake booster

Details Diaphragm brake booster Diaphragm brake booster

1978-05-05

1980-04-29

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

91376R, F15B 910

Patent

active

042000297

ABSTRACT:
A diaphragm brake booster includes a housing, a movable power piston disposed in the housing, a diaphragm inner periphery thereof being secured to the power piston, a valve member disposed in the power piston for generating a pressure differential between the two chambers defined by the power piston and the diaphragm upon manual operation. The brake booster further includes a key member for restricting the movement of the valve member, the key member being supported on the power piston near the portion where the inner periphery of the diaphragm is secured.

REFERENCES:
patent: 3470697 (1969-10-01), Pech et al.
patent: 3688647 (1972-09-01), Kytta
patent: 3754450 (1973-08-01), Kytta
patent: 4043251 (1977-08-01), Ohmi

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