Temperature-dependent switch

Details Temperature-dependent switch Temperature-dependent switch

1996-12-05

1998-10-27

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337298, 337362, 337365, 337380, H01H 3700, H01H 3774, H01H 3752, H01H 3754

Patent

active

058282866

ABSTRACT:
A temperature-dependent switch comprises a housing having a lower housing part and a cover part capping said lower housing part. A first countercontact is provided at an inner surface of said cover part, said first countercontact having a projection pointing into said housing. A second countercontact is provided at an inner surface of said lower housing part. Inside of said housing a temperature-dependent switching mechanism is arranged, said mechanism including an electrically conductive spring element having an opening. Dependent on the temperature said spring element assumes at least two distinct switching positions, whereby in its first switching position the spring element is in contact with both said first and second countercontacts, thereby electrically interconnecting said first and second countercontacts. At least when said spring element is in its first switching position, said projection at said first countercontact protrudes into said opening in said spring element, thereby centering the latter in the housing.

REFERENCES:
patent: 2707738 (1955-05-01), Weissheimer et al.
patent: 2785252 (1957-03-01), Parr
patent: 2811611 (1957-10-01), Odenwald
patent: 3213250 (1965-10-01), Marcoux
patent: 3248503 (1966-04-01), Huber
patent: 4306211 (1981-12-01), Hofsass
patent: 4470033 (1984-09-01), Hofsass

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