Electrically operated by-pass water valve

Details Electrically operated by-pass water valve Electrically operated by-pass water valve

1991-04-29

1993-10-26

Walton, George L.

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

2512495, 251308, F16K 3104, F16K 3153, F16K 122

Patent

active

052558916

ABSTRACT:
A servomotor actuated engine coolant valve with a plastic body and a thin resilient butterfly plate valve member formed of plastic material internally with a shaft hub drum having the motor shaft received therethrough for torque transmission to the butterfly plate. The butterfly plate is configured to have sufficient resiliency to absorb servomotor overtravel in the valve closed position.

REFERENCES:
patent: 4003403 (1977-01-01), Nehring
patent: 4241897 (1980-12-01), Maezawa
patent: 4243203 (1981-01-01), Mack
patent: 4361170 (1982-11-01), Peloza
patent: 4540457 (1985-09-01), LaValley
patent: 4930455 (1990-06-01), Creed et al.

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