Thermal protector

Details Thermal protector Thermal protector

1979-07-02

1981-09-01

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337102, 338 22R, 219505, 219511, H01H 6102, H01H 63013, H01H 7116

Patent

active

042875005

ABSTRACT:
A thermal protector of the type comprising a stationary electrode, a movable electrode having a heat responsive element which is disposed in opposite relationship with the stationary electrode, a block of a thermistor with a positive thermal coefficient and having two axial through holes, and electrically conductive sleeves which are partially inserted into or fully extended through the holes of the block, the stationary and movable electrodes being extended through sleeves. The thermal protector can precisely operate at a predetermined temperature and exhibit high resistance to vibration so that it is highly reliable and dependable in operation.

REFERENCES:
patent: 3272944 (1966-09-01), Ricker et al.

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