Vacuum servo unit for a vehicle braking system

Details Vacuum servo unit for a vehicle braking system Vacuum servo unit for a vehicle braking system

1996-03-06

1997-07-15

Butler, Douglas C.

Brakes

Operators

Fluid pressure

91376R, 3031143, F15B 910

Patent

active

056474628

ABSTRACT:
A vacuum servo unit which is designed so that when a valve member associated with the plunger that is connected to an input member is out of engagement with the plunger, the power piston moves due to the pressure differential between a variable-pressure chamber and a constant pressure chamber for boosting the force to the input member, is provided with an arrangement for inhibiting or preventing inclination of the input member. The arrangement includes a plurality of projections extending outwardly from the input member, and a plurality of slots formed in the plunger for receiving the projections.

REFERENCES:
patent: 5046399 (1991-09-01), Koshimizu
patent: 5161453 (1992-11-01), Yarad et al.
patent: 5483866 (1996-01-01), Schluter
patent: 5493946 (1996-02-01), Schluter

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