Vacuum brake power booster for automotive vehicles

Details Vacuum brake power booster for automotive vehicles Vacuum brake power booster for automotive vehicles

1995-02-22

1996-08-20

Lopez, F. Daniel

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

F15B 910

Patent

active

055468462

ABSTRACT:
To optimize the ratio of forces which are caused during operation of a vacuum brake power booster, in particular the response force and the resetting force, according to the present invention, means are provided which permit applying the pneumatic pressure, which prevails in the ventilatable working chamber, to the side of the valve member of a control valve remote from the sealing seats of the control valve, the control valve controlling the pneumatic pressure differential between a vacuum and the atmospheric pressure.

REFERENCES:
patent: 4598548 (1986-07-01), Wagner
patent: 5233907 (1993-08-01), Gautier et al.

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