Power plants – Pressure fluid source and motor – Pulsator
Patent
1983-10-26
1985-11-05
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60589, B60T 1120
Patent
active
045505675
ABSTRACT:
A tandem master cylinder which has a compensating bore in communication with a chamber on the rear side of the master piston. The bore is provided in the front wall of master cylinder piston and is adapted to be closed by means of valve body movable relative to said master cylinder piston. The valve body is provided on the end of a central clamping element interconnecting the two spring retainers of a piston restoring spring of master cylinder piston. The valve body is urged against compensating bore as soon as the piston restoring spring is loaded. In order to maintain a predetermined filling pressure in the chamber behind the master cylinder piston and in the output position of the piston in pressure chamber, the piston restoring spring is supported on a spring retainer that is held through a stop on the cylinder housing.
REFERENCES:
patent: 2332301 (1943-10-01), Cox
patent: 3557555 (1971-01-01), Wilson
patent: 4132073 (1979-01-01), Ewald
patent: 4267697 (1981-05-01), Hodkinson
patent: 4313302 (1982-02-01), Farr
patent: 4329846 (1982-05-01), Gaiser
patent: 4330995 (1982-05-01), Miyakawa
patent: 4419862 (1983-12-01), Farr
patent: 4441320 (1984-04-01), Gaiser
Hershkovitz Abraham
ITT Industries Incorporated
Raden James B.
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