Hydraulic cylinder arrangement

Details Hydraulic cylinder arrangement Hydraulic cylinder arrangement

1980-11-05

1982-08-10

Maslousky, Paul E.

Motors: expansible chamber type

With motive fluid valve

Relatively movable inlet and exhaust valves for single...

91394, 91408, 91447, 91448, 60456, F15B 1522, F15B 13042

Patent

active

043432280

ABSTRACT:
A hydraulic cylinder arrangement of the type wherein the opposite ends of a cylinder are connected selectively to either a pump or sump by a control valve. Each end of the cylinder is provided with a pair of oppositely acting, uni-directional check valves, each connected to a port on the control valve by an individual conduit. The four check valves are so arranged that all the fluid discharged from either end of the cylinder in response to the reciprocation of the piston therein is constrained to flow to sump before it is pressurized and returned to the cylinder.

REFERENCES:
patent: 1692034 (1928-11-01), Griffen
patent: 2402712 (1946-06-01), Vickers et al.
patent: 2698604 (1955-01-01), Edwards

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