Refrigerant loss detector and alarm

Details Refrigerant loss detector and alarm Refrigerant loss detector and alarm

1992-06-04

1993-07-20

Tanner, Harry B.

Refrigeration

With indicator or tester

Condition sensing

200230, 340623, G08B 2100

Patent

active

052283046

ABSTRACT:
A refrigerant loss detector and alarm, the detector device suitable for installation in the piping of a refrigeration system which utilizes a liquid/vapor phase change substance as the refrigerant. Upon detection of refrigerant vapor accumulating in the loss detector, thereby displacing refrigerant liquid therefrom, the orientation of a float element containing a mercury switch is affected. Upon a fall in refrigerant liquid level in the loss detector, the mercury switch becomes activated, thereby completing an external electrical circuit which contains a time delay device and an alarm device.

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patent: 4856288 (1989-08-01), Weber
patent: 4922234 (1990-05-01), Murphy
patent: 5072595 (1991-12-01), Barbier

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