Snap-action type thermally responsive switch

Details Snap-action type thermally responsive switch Snap-action type thermally responsive switch

1986-09-24

1987-06-09

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337347, 337365, H01H 3712, H01H 3754

Patent

active

046723536

ABSTRACT:
A thermally responsive snap-acting switch consists of an elastic plate cantilever mounted at one end on a header, a thermally responsive element which includes a central dish-shaped portion for inducing snap action and one end of which is connected with the other end of the elastic plate in an opposed relation to the elastic plate, a support one end of which includes a portion receiving a connection between the elastic plate and the thermally responsive element so that it slides and is inclined on the receiving portion, and a projection which exerts a force on the dish-shaped portion of the thermally responsive element to calibrate the operative temperature of the thermally responsive element. The calibration is performed either by employing a screwed stud as the projection or by plastically deforming the receiving portion of the support.

REFERENCES:
patent: 3587022 (1971-06-01), Hire
patent: 4389630 (1983-06-01), Ubukata et al.

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