Control system for a valve

Details Control system for a valve Control system for a valve

1989-06-12

1990-08-28

Michalsky, Gerald A.

Fluid handling

Systems

With selective motion for plural valve actuator

13759617, 25112911, 251297, F15B 13044

Patent

active

049517120

ABSTRACT:
A valve control system includes a stepping motor coupled to an eccentric via a clutch. A valve member is urged into engagement with the eccentric by a spring. Rotation of the eccentric causes axial movement of the valve member which controls fluid flow through the valve. A detent releasably holds the eccentric in a neutral position.

REFERENCES:
patent: 2466795 (1949-04-01), Crot
patent: 3310284 (1964-08-01), Inaba et al.
patent: 3423935 (1969-01-01), Budzich
patent: 3490495 (1970-01-01), Green
patent: 3709257 (1970-09-01), Faisandler
patent: 3875849 (1975-04-01), Patel
patent: 4145956 (1977-04-01), Rumrill et al.
patent: 4526342 (1985-07-01), Wakefield
patent: 4574686 (1986-03-01), Budzich
Raider et al., "Electromagnetically Controlled Hydraulic Valve", IBM Technical Disclosure Bulletin, vol. 10, No. 5, Oct. 1967.
Author-John Hobbs, H. Hesse-Electronic/Hydraulic Hitch Control for Agricultural Tractors, 9 Page SAE Technical Paper Series; International Off-Highway Meeting and Exposition, Mecca, Milwaukee, Sep. 8-11, 1980.

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