Combined temperature responsive valve construction and electrica

Details Combined temperature responsive valve construction and electrica Combined temperature responsive valve construction and electrica

1981-04-15

1983-08-30

Harris, George

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337347, 200 83P, H01H 3774

Patent

active

044019645

ABSTRACT:
A combined temperature responsive valve construction and an electrical switch construction wherein the valve construction has a thermally responsive device of the piston and cylinder type operating a movable valve member that is engaged by the piston of the device and operates an actuator of the switch construction, the valve member comprising an axially movable valve stem having opposed ends one of which is engaged by the piston of the device and the other of which operates the actuator. A coiled compression spring has one of the opposed ends thereof engaging a spring retaining part of the other end of the valve stem in a retained manner and the other opposed end thereof engaging the actuator whereby axial movement of the valve stem toward the actuator will tend to compress the spring therebetween.

REFERENCES:
patent: 3553402 (1971-01-01), Hire
patent: 3960124 (1976-06-01), Payne
patent: 4121074 (1978-10-01), Orcutt et al.
patent: 4200776 (1980-04-01), Poling
patent: 4296287 (1981-10-01), Boulanger et al.

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