Electrically actuated pneumatically operated valve assembly

Details Electrically actuated pneumatically operated valve assembly Electrically actuated pneumatically operated valve assembly

1997-08-07

1999-08-10

Lee, Kevin

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

91459, F15B 13044

Patent

active

059346426

ABSTRACT:
A butterfly water valve for a heater core has a vacuum motor attached to the water valve body with the vacuum motor connected to the butterfly valve crank. The vacuum motor housing has a well formed therein and a solenoid operated valve is quick connected in the well and is ported directly to the vacuum motor pressure chamber. The solenoid valve well communicates with a vacuum connector formed integrally with the vacuum motor housing. The vacuum motor housing is preferably formed of two shells welded together and sealing about the rim of a pressure responsive diaphragm.

REFERENCES:
patent: 4205593 (1980-06-01), Sakakibara
patent: 4669361 (1987-06-01), Ito et al.

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