Brake booster
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 7, 1991
Grant Date -
N/A
app pub date -
Apr 21, 1989
filing date -
Apr 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a brake booster of the type for motor vehicles comprising a casing and a diaphragm which divides the interior of the casing (5) sealingly into a front chamber and a rear chamber, a hollow piston (10) movable in the casing, an input member (14, 16) intended to be connected to a brake pedal (18), an output assembly (20, 26) intended to be connected to a piston of a master cylinder, and a reaction disk (32) made of a deformable material and arranged between the hollow piston (10) and the output assembly (20, 26), in order to receive the output force of the booster when it is put into operation, the output force causing a first deformation of the reaction disk (32), this deformation tending to push back the input member (14, 16). According to the invention, the output assembly (20, 26) is formed in two parts, one movable relative to the other counter to a spring means (36), in order to act on a reduced surface of the reaction disk ( 32).
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Family
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Cited Art Landscape
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