Fan coolant thermostats

Details Fan coolant thermostats Fan coolant thermostats

1979-05-29

1981-08-04

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

337381, H01H 3754

Patent

active

042825059

ABSTRACT:
A bimetal snap disc thermostat is disclosed providing a heavy walled, cup-shaped metal housing into which a switch body is press-fitted. The housing is formed with an internal annular groove to mechanically interlock potting material such as epoxy which seals the thermostat and locks the housing and body against relative movement. The housing and body are formed to properly align the parts as they move toward the position of interference fit. In one embodiment, the center terminal is formed of a tubular element which is flattened at one end, with the flattened end bent to provide a lateral contact support portion. A longitudinal opening is formed within the flattened portion to facilitate the formation of a smooth bend and potting material extends through such opening to assist in locking the terminal in position.

REFERENCES:
patent: 2463891 (1949-03-01), Malone
patent: 2773962 (1956-12-01), Perst
patent: 2795678 (1957-06-01), Mertler
patent: 3451028 (1969-06-01), Schmitt
patent: 4201967 (1980-05-01), Romerdahl

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