Vacuum degree augmentation device

Details Vacuum degree augmentation device Vacuum degree augmentation device

1976-11-15

1978-06-20

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

92 98R, F15B 910

Patent

active

040955095

ABSTRACT:
A vacuum degree augmentation device for use in brake apparatus is provided in which a diaphragm-piston divides the body of a valve mechanism into two air-tight chambers, the valve mechanism is shiftable in response to the operation of a plunger which in turn operates in response to the operation of an input rod, the operation of the valve normally maintains the chambers in communication with each other under low pressure, but, during braking, one chamber is placed in communication with the open air to produce a differential pressure between the chambers so as to operate the piston, with the force operating the piston being transferred through a reaction lever, a fulcrum plate and an output rod to a master cylinder.

REFERENCES:
patent: 2900962 (1959-08-01), Ingres
patent: 2989033 (1961-06-01), Stelzer
patent: 3183789 (1965-05-01), Stelzer

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