Fluid power system having multiple, separately controllable doub

Details Fluid power system having multiple, separately controllable doub Fluid power system having multiple, separately controllable doub

1977-10-04

1979-07-17

Makay, Albert J.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Grab

91526, 91531, 414621, B66F 918

Patent

active

041612566

ABSTRACT:
A fluid power system having a source of pressurized fluid serving a plurality of separately controllable double-acting fluid motors. A network of selectively operable control valves and hydraulic lines serving the motors is provided, selective ones of the lines being operatively jointly connected to one another and to the control valves in such a way as to reduce the number of hydraulic lines serving the motors to less than the normal number while retaining the separate controllability of the motors. Several different embodiments of the invention are disclosed.

REFERENCES:
patent: 3395732 (1968-08-01), Comfort
patent: 3692198 (1972-09-01), Lake
patent: 3851566 (1974-12-01), Herrmann

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