Liquid level sensor using refrigrant subcooling

Details Liquid level sensor using refrigrant subcooling Liquid level sensor using refrigrant subcooling

1997-05-21

1998-07-14

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62126, 73295, 340622, F25B 4104

Patent

active

057786950

ABSTRACT:
A fluid level sensor. The sensor comprises a housing; a chamber enclosed by the housing; a liquid port in a lower area of the housing operable to connect the chamber to a lower, liquid containing area of a heat exchanger; and a gas port located in an upper area of the housing and operable to connect the chamber to an upper, vapor containing area of a heat exchanger. The sensor includes first and second apertures in the housing; and cooling conduit passing through the chamber and through the first and second apertures and operable to cool the chamber. There is at least one sensor located in the chamber and adapted to sense a temperature of fluid in the chamber.

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