Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1994-09-08
1996-08-20
Picard, Leo P.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
337380, 337379, H01H 3704, H01H 3752
Patent
active
055482678
ABSTRACT:
A thermostatic switch construction including a housing having a switch arm mounted for movement inside. A bi-metallic disk is mounted in the housing and movable in response to temperature change with snap action between two positions of stability. A switch arm actuating plunger is slidably mounted in the housing with its lower end adapted for contact with the bi-metallic snap disk. A bi-metallic disk mounting assembly is provided in which the disk is mounted. The disk housing serves to isolate the bi-metallic disk from contact with any part of the switch housing. The bi-metallic disk housing assembly is comprised of an aluminum platform member and an aluminum cup-shaped cup member mounted thereon to provide an enclosed space in which the bi-metallic snap disk is mounted.
REFERENCES:
patent: 3263049 (1966-07-01), Doherty
patent: 3297845 (1967-01-01), Mertler
patent: 4079348 (1978-03-01), Meijer
patent: 4570148 (1986-02-01), Ferroni
patent: 4754252 (1988-06-01), Craig
patent: 4952901 (1990-08-01), Chrupcala
patent: 5285183 (1994-02-01), Asada
patent: 5296834 (1994-03-01), Urban
Apcom, Inc.
Picard Leo P.
Puerner Paul R.
Ryan Stephen T.
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