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

1981-04-07

Cohen, Irwin C.

Fluid handling

Systems

Supply and exhaust

91445, 91448, 91459, 13759614, 13759616, F15B 13043

Patent

active

042599865

ABSTRACT:
A control arrangement 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 consumer to thereby move the consumer in one direction. The consumer is also connected with a member for withdrawing pressure medium from the consumer to thereby move the latter in an opposite direction. The arrangement further includes a single valve unit which is operative for both communicating and discommunicating the consumer with the supplying member and with the withdrawing member to thereby alternately move the consumer in the respective directions.

REFERENCES:
patent: 3015316 (1962-01-01), Thomas
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: 3817154 (1974-06-01), Martin
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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