Thermal bimetallic strip relay

Details Thermal bimetallic strip relay Thermal bimetallic strip relay

1977-06-28

1979-04-10

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337343, H01H 3704, H01H 3754

Patent

active

041491386

ABSTRACT:
A thermal bimetallic strip relay comprises a case with a cover having fixed contacts attached to it from inside and provided with external leads; located inside the case are an upper and a lower supports made as bent thermal bimetallic elements that have radii of curvature of opposite signs and between which the center of a "clapping" sensitive thermal bimetallic element is located with moving contacts attached to it and arranged opposite to the fixed contacts. Similar bimetal layers of said upper and lower supports as well as those of the sensing element are arranged to face in the same direction with respect to either the lid or the case bottom. The relay is intended to enable and to disable an electric network whenever the ambient temperature of the medium under control deviates from the preset value.

REFERENCES:
patent: 2707738 (1955-05-01), Weissheimer et al.
patent: 2785252 (1957-03-01), Parr
patent: 3686605 (1972-08-01), Hire

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