Vacuum suspended brake booster control valve

Details Vacuum suspended brake booster control valve Vacuum suspended brake booster control valve

1981-02-23

1983-08-23

Schwadron, Martin P.

Motors: expansible chamber type

With motive fluid valve

Unitary inlet and exhaust valve for single working chamber

91376R, 1376275, F15B 910, F15B 1304

Patent

active

043997368

ABSTRACT:
The floating control valve of a vacuum operated booster has a recess or groove and a smaller steel washer which allows the seating portion of the control valve to seek its own plane. The insert is linearly aligned with the air valve seat. The outer portion of the control valve aligned with the vacuum valve seat on the power piston is not supported by the steel insert. The groove is positioned radially between the portions of the floating control valve engaging the two seats and may be on either the front or the rear side of the floating control valve.

REFERENCES:
patent: 3357311 (1967-12-01), Cripe
patent: 3410178 (1968-11-01), Kytta
patent: 3727516 (1973-04-01), Myers et al.
patent: 3972263 (1976-08-01), Welsh, Jr.
patent: 3974741 (1976-08-01), Ohmi
patent: 4085656 (1978-04-01), Ando
patent: 4188013 (1980-02-01), Battersby et al.
patent: 4309935 (1982-01-01), Belart
patent: 4350076 (1982-09-01), Thiel

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