Directional control valve and regeneration valve

Details Directional control valve and regeneration valve Directional control valve and regeneration valve

1985-08-21

1989-06-06

Look, Edward K.

Motors: expansible chamber type

With motive fluid valve

Inlet fluid supplemented by controlled fluid pressurized in...

91461, 91526, 91529, 91530, F15B 1108

Patent

active

048360880

ABSTRACT:
An hydraulic system for operating double acting piston/cylinder assemblies and for effecting automatic transition from a regenerative mode of operation of a double acting piston/cylinder assembly to a non-regenerative mode of operation thereof. Pressure responsive valve means automatically converts the hydraulic system from one initially being a high-speed/low force operation to a high force/low speed operation.

REFERENCES:
patent: 3227050 (1966-01-01), Hein
patent: 3512453 (1970-05-01), Balzer
patent: 3759144 (1973-09-01), Ikeda
patent: 3851566 (1974-12-01), Herrmann
patent: 3854380 (1974-12-01), Casey
patent: 3935792 (1976-02-01), DeZelan
patent: 4128380 (1978-12-01), Jamann
patent: 4216702 (1980-08-01), Brundidge
patent: 4421135 (1983-12-01), Harshman et al.
patent: 4638720 (1987-01-01), McKee et al.
patent: 4702148 (1987-10-01), Kussel et al.

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