Valve device for controlling flow of fluid

Details Valve device for controlling flow of fluid Valve device for controlling flow of fluid

1980-02-20

1982-05-04

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

60289, 1376253, F16K 1107

Patent

active

043277721

ABSTRACT:
A valve device for controlling the flow of fluid including a body portion having an inlet port for receiving a fluid under pressure, an outlet port and a relief port; a slidable piston valve positioned within the body and including a first valve portion for controlling the outlet port and a second valve portion for controlling the relief port; first and second chambers defined within the body by the piston valve and a passage for transmitting the fluid from the inlet port to the first chamber. A check valve and an orifice are positioned in the passage for proportionally reducing the fluid under pressure transmitted to the first chamber by the passage. A solenoid valve assembly is actuated in proportion to electric current supplied thereto for transmitting the fluid from the inlet port through another passage to the second chamber in proportion to the magnitude of the electric current.

REFERENCES:
patent: 3038500 (1962-06-01), Lansky et al.
patent: 3777482 (1973-12-01), Canale et al.
patent: 4216938 (1980-08-01), Inada et al.

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