Hydraulic control apparatus

Details Hydraulic control apparatus Hydraulic control apparatus

1992-01-07

1993-11-16

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of motive fluid flow

91433, 13762565, F16D 3102

Patent

active

052612341

ABSTRACT:
An apparatus for controllably actuating a hydraulic actuator is provided. The apparatus is connected between a source of pressurized hydraulic fluid and the hydraulic actuator. The apparatus controllably provides pressurized hydraulic fluid to the hydraulic actuator. The apparatus includes a controller for receiving an operating signal and a load pressure signal and responsively actuating the hydraulic actuator.

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patent: 4534707 (1985-08-01), Mitchell
patent: 4712376 (1987-12-01), Handank
patent: 4712470 (1987-12-01), Schmitz
patent: 4718329 (1988-01-01), Nakajima et al.
patent: 4896582 (1990-01-01), Tordenmalm et al.
patent: 4970941 (1990-11-01), Reinhardt
patent: 5138838 (1992-08-01), Crosser

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