Electrically and hydraulically actuated flow-distributing valve

Details Electrically and hydraulically actuated flow-distributing valve Electrically and hydraulically actuated flow-distributing valve

1982-02-04

1984-01-31

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13759613, 13762564, 13762568, F15B 13043

Patent

active

044284004

ABSTRACT:
A flow-distributing valve unit which is actuated electrically and hydraulically is disclosed, the improvement consisting in a double-acting piston distributor reciprocable in a chamber to which fluid intake and fluid discharge conduits are connected, the fluid intake ducts having fixed throttling passageways whereas variable width passageways are provided for the fluid discharge ducts. The widths of the discharge passageways for the fluid are varied by electromagnetic controls. A flow-distributing valve is integral with the double-acting piston mechanism and is connected with a valve actuator which can either be manual or moved by a servomechanism.

REFERENCES:
patent: 3434390 (1969-03-01), Weiss
patent: 3565110 (1971-02-01), Hodgson
patent: 3861644 (1975-01-01), Knape
patent: 4212323 (1980-07-01), Qureshi
patent: 4215723 (1980-08-01), Ichiryu et al.

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