Temperature sensitive capsules

Details Temperature sensitive capsules Temperature sensitive capsules

1982-04-26

1983-12-27

Harris, George

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

Expansible or vaporizable fluid actuated

337326, H01H 3736

Patent

active

044234023

ABSTRACT:
A capsule for use as a temperature responsive element in a temperature sensitive electrical switch. The capsule is provided in a transistor mounting can configuration to facilitate printed circuit board mounting. The capsule contains a fluid and a concave disc. At a predetermined temperature, the disc snaps-over into a convex configuration. Movement of the disc is detected to provide an output signal which is temperature responsive.

REFERENCES:
patent: 2840669 (1958-06-01), Russell
patent: 3609272 (1971-09-01), Heaps
patent: 3636288 (1972-01-01), Russell

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