Vacuum brake force booster with acoustic insulation

Details Vacuum brake force booster with acoustic insulation Vacuum brake force booster with acoustic insulation

1989-12-13

1991-06-18

Graham, Matthew C.

Brakes

Operators

Fluid pressure

605471, 91376R, 188357, B60T 1352

Patent

active

050243047

ABSTRACT:
To substantially eliminate the noise arising upon actuation of a vacuum brake force booster caused by incoming air, the housing section confining the ventable working chamber and/or the intervals in the control valve housing are lined with an insulating composition for attenuating noise.

REFERENCES:
patent: 2767548 (1956-10-01), Ayers, Jr.
patent: 4269110 (1981-05-01), Weiler

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