Method and apparatus for testing for refrigerant leaks

Details Method and apparatus for testing for refrigerant leaks Method and apparatus for testing for refrigerant leaks

1988-07-06

1989-09-05

Tanner, Harry B.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62125, 219330, G01M 300

Patent

active

048626988

ABSTRACT:
An apparatus and method to aid in detecting refrigerant leaks in a refrigerant system of the type including an air-tight system vessel, refrigerant within the system vessel, a closed loop of system piping with at least a portion thereof extending through the system vessel, and heat transfer medium flowing through the system piping. The apparatus includes an apparatus vessel for being coupled to the system piping; pump structure for pumping the heat transfer medium from the system piping, through the apparatus vessel, and back to the system piping; structure for heating the heat transfer medium within the apparatus vessel to transfer heat to the refrigerant within the system vessel when the heat transfer medium is pumped from the apparatus vessel back to the system piping and to cause the pressure of the refrigerant within the system vessel to increase; and control structure for controlling the temperature of the heat transfer medium and for controlling the increase in pressure of the refrigerant within the system vessel.

REFERENCES:
patent: 2091838 (1937-08-01), Staak
patent: 2583814 (1952-01-01), Burklin
patent: 2627015 (1953-01-01), Hackman
patent: 4249491 (1981-02-01), Steon
patent: 4480173 (1984-10-01), Butterfield
McCann, "Precision Controller Keeps the Pressure on Chillers", Air Conditioning, Heating and Refrigeration News, Jun. 13, 1988, pp. 34-35.

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