Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With longitudinally expansible solid element
Patent
1996-02-28
1998-10-20
Picard, Leo P.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With longitudinally expansible solid element
337382, H01H 3748
Patent
active
058252762
ABSTRACT:
A temperature sensor includes a spring-biased tube of relatively low thermal expansion and a rod arranged in the tube and having relatively high thermal expansion for cooperation with a contact mechanism to control a heat-operated system. Secured to the tube on one end thereof which is proximate to the contact mechanism is a substantially hemispherical end piece for placement in a concave receptacle that is arched in direction of the contact mechanism and traversed by the rod.
REFERENCES:
patent: 3732518 (1973-05-01), Them
patent: 4215332 (1980-07-01), Wharton
patent: 5527111 (1996-06-01), Lysen et al.
Electrovac, Fabrikation Elektrotechnischer Spezialartikel Gesell
Feiereisen Henry M.
Gandhi Jayprakash N.
Picard Leo P.
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