Bimetal device with an electrical heating element

Details Bimetal device with an electrical heating element Bimetal device with an electrical heating element

1978-03-13

1979-11-13

Mayewsky, Volodymyr Y.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

219511, 219512, 219543, 337102, 338 22R, H01H 7116

Patent

active

041745116

ABSTRACT:
A bimetal device with an electrical heating element which serves for temperature-dependent control is provided. The bimetal device has a thin insulating layer, on which is arranged at least one electrical resistance layer which serves as a heating element. The resistance layer can be placed on the base of the bimetal device by means of vapor depositing or by thick film technology. In this manner a plurality of resistance layers can be provided that are insulated from each other and of which one serves for continual heating. It can also be useful to provide only one resistance layer which is connected in series with a PTC resistor and holds the bimetal device at a certain temperature. The embodiment of the electrical heating element as a resistance layer makes possible a very rapid heating of the bimetal.

REFERENCES:
patent: 2518941 (1950-08-01), Satchwell et al.
patent: 2905790 (1959-09-01), Markham
patent: 2920165 (1960-01-01), Ditman et al.
patent: 2993976 (1961-07-01), Moore
patent: 3072773 (1963-01-01), Clapp
patent: 3257526 (1966-06-01), Ramsey et al.
patent: 3274359 (1966-09-01), Riebs
patent: 3434089 (1969-03-01), Waselewski, Jr. et al.
patent: 3495150 (1970-02-01), Enemark
patent: 3525914 (1970-08-01), Vind

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