Temperature sensing switch

Details Temperature sensing switch Temperature sensing switch

1984-09-07

1986-02-04

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With longitudinally expansible solid element

337354, H01H 6102, H01H 7118

Patent

active

045689040

ABSTRACT:
A single temperature sensing switch is responsive to two or more different ambient temperatures is disclosed. A contact mechanism made up of stationary and movable contacts is opened and closed by serially interconnected first and second temperature-sensitive members, which are made of shape memorizing alloys having different transformation points. The switch may be associated with a compressor of an automotive air conditioning system in order to prevent it from being heated beyond a siezing level or cooled beyond a liquid compressing level.

REFERENCES:
patent: 4350967 (1982-09-01), Doherty, Jr.

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