Switch having a temperature-dependent switching mechanism

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

1998-06-25

2000-04-25

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337 3, 337333, 337342, 337380, H01H 3766

Patent

active

060549165

ABSTRACT:
A switch has a housing which receives a temperature-dependent switching mechanism and comprises a lower part on whose inner bottom a first countercontact for the switching mechanism is arranged, and a cover part, closing off the lower part, on whose inner side a second countercontact for the switching mechanism is provided. The switching mechanism has an electrically conductive spring disk which carries a movable contact element and operates against a bimetallic snap disk which sits approximately centeredly on the movable contact element, the spring disk being braced at its rim against the countercontacts and pressing the movable contact element against the countercontact when the switching mechanism is below its response temperature. The countercontact against which the spring disk is braced at its rim below the response temperature is magnetic.

REFERENCES:
patent: 3014104 (1961-12-01), Cobine et al.
patent: 3656073 (1972-04-01), Wood et al.
patent: 4039993 (1977-08-01), Kerr
patent: 4306211 (1981-12-01), Hofsass
patent: 4383231 (1983-05-01), Yamanaka et al.
patent: 4470033 (1984-09-01), Hofsass
patent: 4689599 (1987-08-01), Calenda et al.
patent: 4822959 (1989-04-01), Schwab
patent: 5847637 (1998-12-01), Takeda et al.

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