High pressure hydraulic distributor having a mechanically contro

Details High pressure hydraulic distributor having a mechanically contro High pressure hydraulic distributor having a mechanically contro

1985-02-12

1986-09-23

Look, Edward K.

Motors: expansible chamber type

With motive fluid valve

Relatively movable inlet and exhaust valves for single...

1375962, F15B 1108

Patent

active

046128468

ABSTRACT:
The invention involves a new structure for a distributor for a hydraulic fluid utilization means, such as a single-acting jack, controlled by the distributor in any position. The distributor includes a spool-type valve and a hollow piston valve which is piloted by a needle valve. The needle valve and spool-type valve are both mechanically connected to a single mechanical lever.

REFERENCES:
patent: 3376792 (1968-04-01), Clarke et al.
patent: 3437012 (1969-04-01), Bjorklund
patent: 3473566 (1969-10-01), Peppel
patent: 3599675 (1971-08-01), Sierenpiper
patent: 3792715 (1974-02-01), Parrett et al.
patent: 3996840 (1976-12-01), Futamata et al.

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