Multiway hydraulic valve

Details Multiway hydraulic valve Multiway hydraulic valve

1978-05-01

1978-11-07

Schwadron, Martin P.

Fluid handling

Systems

Supply and exhaust

91508, F15B 1306

Patent

active

041240383

ABSTRACT:
A multiway hydraulic valve comprising a valve housing having a cylindrical bore, a first and second inlet, an outlet, a first series and second series of operation ports all defined in the valve housing. Check means are associated with the first and second inlets and with each operation port of said first and second series of operation ports. A spool member is positioned axially slideable and rotatable within the cylindrical bore having operation means associated therewith adapted to open a selected operation port of one of said series of operation ports allowing it to vent through said outlet while at the same time pressurizing only the operation ports of the other series of operation ports. Sealing means to seal the spool member within the cylindrical bore in a fluid-tight relation and stop means to limit the axial movement of the spool member are also provided.

REFERENCES:
patent: 3171437 (1965-03-01), Suechting
patent: 3602243 (1971-08-01), Holt et al.

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