Pneumatic brake booster with low operating noise

Details Pneumatic brake booster with low operating noise Pneumatic brake booster with low operating noise

2005-12-20

2005-12-20

Lazo, Thomas E. (Department: 3745)

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

Reexamination Certificate

active

06976417

ABSTRACT:
The subject of the present invention is a pneumatic brake booster comprising an envelope in which a skirt (2) slides in a sealed manner, a pneumatic piston (8) rigidly attached to the skirt, a three-way valve (20) actuated by a control rod (22) operated at a first end by a pedal, a plunger (32) mounted at a second longitudinal end which is the opposite end and slideably mounted in the body of the piston, the control rod and the plunger forming a brake control (33), characterized in that the said booster comprises means (68) of damping the relative and in particular oscillatory movement between the brake control (33) and the pneumatic piston (8).

REFERENCES:
patent: 5711203 (1998-01-01), Gautier et al.

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