Switch having a temperature-dependent switching mechanism

Details Switch having a temperature-dependent switching mechanism Switch having a temperature-dependent switching mechanism

1997-01-31

1999-04-06

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337102, 337107, 361 26, 361105, H01H 3714

Patent

active

058924299

ABSTRACT:
A switch for opening and closing an electrical circuit comprises a temperature-dependent switching mechanism and a housing containing a switching mechanism. The housing has an electrically conductive lower housing part and an electrically conductive cover part electrically insulated from and closing off the lower housing part. The electrical circuit is to be connected to the lower housing part and the cover part. As a function of temperature the switching mechanism electrically connects the lower housing part to the cover part. At least one resistor is provided directly on an inner surface of the housing such that the resistor is switched in series with the switching mechanism between the cover part and lower housing part, as a function of temperature, when the switching mechanism is in a first switch position.

REFERENCES:
patent: 4849729 (1989-07-01), Hofsass
patent: 4862132 (1989-08-01), Hollweek
patent: 5023744 (1991-06-01), Hofsass
patent: 5615072 (1997-03-01), Hofsass et al.

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