Thermostatic switch with improved cap disc assembly

Details Thermostatic switch with improved cap disc assembly Thermostatic switch with improved cap disc assembly

1987-06-02

1988-06-28

Broome, H.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337112, 337372, H01H 3704, H01H 3752

Patent

active

047542527

ABSTRACT:
A bimetallic disc-actuated thermostatic switch comprising a switching assembly including a housing containing fixed and movable contacts and a cap and disc assembly on the switching assembly for moving the contacts between engaged and disengaged positions. The cap and disc assembly includes a bimetallic disc, a support disc for supporting the bimetallic disc on the housing, and a retainer cap for retaining the bimetallic disc on the support disc. The cap has at least one air circulation opening therethrough, and the support disc is formed so that air from the exterior of the cap can pass through the air circulation opening and across the underside of the bimetallic disc to provide increased responsiveness to ambient conditions.

REFERENCES:
patent: 2267484 (1941-12-01), Houten
patent: 3720899 (1973-03-01), Hire

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