Control apparatus for a hydraulic power consumer

Details Control apparatus for a hydraulic power consumer Control apparatus for a hydraulic power consumer

1978-08-04

1981-03-31

Cohen, Irwin C.

Motors: expansible chamber type

With motive fluid valve

Relatively movable serial valves

91447, 91448, 13759612, 13759616, F15B 1108, F15B 13042

Patent

active

042586100

ABSTRACT:
A control apparatus for a hydraulic power consumer, particularly in agricultural machines, has a pressure medium reservoir which is connected with a member for supplying pressure medium from the reservoir to the user to thereby move the latter from a stationary position. This member is subject to pressure oscillations which result from a pressure difference which is created in this chamber on displacing of the consumer from the stationary or neutral position. In order to eliminate undesirable oscillations of the user on displacement of the latter from the stationary position the arrangement is provided with a member for damping these pressure oscillations.

REFERENCES:
patent: 3411521 (1968-11-01), Johnson
patent: 3537259 (1970-11-01), Gordon et al.
patent: 3613509 (1971-10-01), Flaschar et al.
patent: 3648570 (1972-03-01), Koch
patent: 3906838 (1975-09-01), Hofer
patent: 3949645 (1976-04-01), Masclet
patent: 3980000 (1976-09-01), Iijima et al.
patent: 4052930 (1977-10-01), Hiramatsu et al.
patent: 4088151 (1978-05-01), Schurger

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