Power plants – Pressure fluid source and motor – Pulsator
Patent
1991-11-07
1992-10-13
Look, Edward K.
Power plants
Pressure fluid source and motor
Pulsator
605471, 91374, F15B 700
Patent
active
051540568
ABSTRACT:
The assembly comprises a brake-booster and a master cylinder having, in an outer casing (10), a space divided in leakproof fashion into a front chamber (12) and a rear chamber (14) by a movable partition (16), at least a first resilient mechanism (18) tending to displace the movable partition towards the rear chamber. The front chamber is connected to a vacuum source, and a pressure difference is established between the front and rear chambers by a valve mechanism (20) capable of connecting the rear chamber to the atmosphere upon actuation of a control rod (22) in order to displace the movable partition towards the front chamber. A master cylinder (30) is fixed on the front wall of the casing and has a bore (40) in which a tappet (42) integral with the movable partition and delimiting an enclosed space (28) in the master cylinder slides in leakproof fashion. This tappet has a bore (32) in which a reaction piston (24) subjected to the pressure of the enclosed space (28) slides in leakproof fashion. A second prestressed resilient mechanism stresses the piston towards the master cylinder.
REFERENCES:
patent: 2990917 (1961-07-01), Stelzer
patent: 3350882 (1967-11-01), Leising
patent: 3937021 (1976-02-01), Sisco et al.
patent: 4033131 (1977-07-01), Gardner
patent: 4091619 (1978-05-01), Carre et al.
patent: 4475444 (1984-10-01), Hendrickson
patent: 4604870 (1986-08-01), Bach et al.
patent: 4984506 (1991-01-01), Perez
patent: 5012723 (1991-05-01), Gautier
Gautier Jean-Pierre
Verbo Ulysse
Bendix Europe Services Techniques
Decker Ken C.
Look Edward K.
Mattingly Todd
Palguta Larry J.
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