Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent
1992-05-04
1993-07-13
Look, Edward K.
Motors: expansible chamber type
Working member position feedback to motive fluid control
Follower type
91376, 92 99, 188356, F15B 910, B60T 832
Patent
active
052263479
ABSTRACT:
The invention relates to a pneumatic brake-booster comprising a casing (10), inside which is situated a movable wall (12, 14) returned to a rear position of rest by a resilient mechanism and defining a front chamber (16) permanently connected to a vacuum source (61) and a rear chamber (18) selectively connected to the front chamber (16) or to the atmosphere by a valve mechanism (20a, 32a, 40) actuated by a control rod (34) adapted to bear, by way of a plunger (32), against one face of a reaction disk (58) fastened to a push rod (56). According to the invention, the resilient mechanism returning the movable wall (12, 14) to its rear position of rest exerts a modulable force on the movable wall (12, 14).
REFERENCES:
patent: 4033636 (1977-07-01), Rolt et al.
patent: 4640097 (1987-02-01), Kobayashi
patent: 4708401 (1987-11-01), Klein
patent: 4875740 (1989-10-01), Takayama
patent: 5000002 (1991-03-01), Belart
patent: 5096267 (1992-03-01), Volz
Gautier Jean-Pierre
Perez Miguel
Verbo Ulysse
Bendix Europe Services Techniques
Decker Ken C.
Look Edward K.
Nguyen Hoang
Palguta Larry J.
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