Thermostat construction employing aramide insulation

Details Thermostat construction employing aramide insulation Thermostat construction employing aramide insulation

1982-06-23

1983-07-26

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

337380, H01H 7102

Patent

active

043956947

ABSTRACT:
A standard thermostatic switch, particularly one enclosed within a metallic casing, is provided with an insulating material, in the form of a sleeve, between the contacts or bimetallic elements and the metallic casing of the thermostat to aid in sealing the internal elements. The material is an aramide, particularly a copolymer of metaphenylenediamine and isophthaloyl chloride, particularly one marketed under the trademark "Nomex" by E. I. duPont deNemours & Co.

REFERENCES:
patent: 3825868 (1974-07-01), Jess et al.
patent: 4033029 (1977-07-01), Wolfe

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