Vacuum brake booster with a valve for allowing atmospheric air i

Details Vacuum brake booster with a valve for allowing atmospheric air i Vacuum brake booster with a valve for allowing atmospheric air i

1991-05-23

1992-05-26

Look, Edward K.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Follower type

F15B 910

Patent

active

051157187

ABSTRACT:
The booster comprises, arranged coaxially, a piston 4, a plunger 20 seated in the piston and integral with a control rod 12, a push rod 16, a reaction disc 14 and an assembly of valve shutters interacting with one end of the plunger and with a seat 18 forming part of the piston. The assembly of valve shutters comprises a first shutter 24 coming to bear on the seat 18 and a second shutter 34 accompanying the plunger 20 until its stroke is stopped by a counterstop 58, the axial position of which is adjustable from outside.

REFERENCES:
patent: 3548718 (1970-12-01), Utton

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