Control valve for brake booster

Details Control valve for brake booster Control valve for brake booster

1980-09-17

1983-01-18

Maslousky, Paul E.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

1376275, F15B 1316

Patent

active

043686613

ABSTRACT:
Axially extending guide arms cooperate with the interior surfaces of an annular poppet member in the control valve of a brake booster for centering a resilient poppet member face against a succession of valve seats. The guide arms can be a tube contacting the inner annular poppet surfaces and slidingly engaging the inner periphery of the annular retainer that secures the poppet member to the valve housing. The tube can also be fixed to a plate backing the sealing face. Or, the guide arm can be a tubular extension of the retainer for slidingly engaging the poppet inner annular surfaces.

REFERENCES:
patent: 3083698 (1963-04-01), Price et al.
patent: 4283911 (1981-08-01), Nakamura et al.

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