Temperature control device with a spring-biased stem and a switc

Details Temperature control device with a spring-biased stem and a switc Temperature control device with a spring-biased stem and a switc

1994-12-05

1997-05-06

Picard, Leo P.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With longitudinally expansible solid element

337382, H01H 3748

Patent

active

056275072

ABSTRACT:
A temperature control device includes; a spring-biased stem guided in a p and having a temperature expansion coefficient which is different from the temperature expansion coefficient of the pipe, with the stem acting via a plunger and a switch assembly upon a switching contact. The switch assembly includes a switch spring of bridge-like configuration which is secured to a backing spring mounted to a base plate of the housing and preferably includes a raised central part for support of the plunger.

REFERENCES:
patent: 3508020 (1970-04-01), Culver
patent: 4695816 (1987-09-01), Essig et al.

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