Pressure reducing valve

Details Pressure reducing valve Pressure reducing valve

1982-06-02

1985-01-01

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

1371163, 13762568, 91433, F15B 13044

Patent

active

044911530

ABSTRACT:
A pressure reducing valve comprises a valve housing having an axial bore coupled to a fluid operated load device, and first and second transversely extending control bores coupled to a supply tank and a fluid pressure source, respectively. A control slide is axially shiftable in the axial bore and has first and second pistons controlling fluid flow through the control bores. The fluid pressure supplied to the load device acts on a first end of the control slide. A proportional electromagnet has a plunger which contacts and applies force to the opposite end of the control slide. A first restrictor provides fluid communication between the control slide ends, while a second restrictor provides fluid communication between the control slide opposite end and the supply tank.

REFERENCES:
patent: 2403519 (1946-07-01), Gardiner
patent: 3766944 (1973-10-01), Distler
patent: 3995652 (1976-12-01), Belart et al.
patent: 4071042 (1978-01-01), Lombard et al.
patent: 4184512 (1980-01-01), Pignolet
patent: 4316599 (1982-02-01), Bouvet et al.
patent: 4341243 (1982-07-01), Melocik

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