Method and apparatus for controlling refrigerant gas in a low pr

Details Method and apparatus for controlling refrigerant gas in a low pr Method and apparatus for controlling refrigerant gas in a low pr

1994-10-03

1996-05-14

Tanner, Harry B.

Refrigeration

Processes

Assembling, charging, or repairing of refrigeration producer

62149, 62298, 392399, F25B 4300

Patent

active

RE0352357

ABSTRACT:
A method and apparatus for controlling refrigerant gas pressure in a low pressure refrigeration system including a warm surface within a container. Liquid refrigerant is removed from the refrigeration system evaporator and sprayed on the warm surface, thereby vaporizing. The resulting pressure differential between the container and the evaporator causes the vaporized refrigerant to be returned to the evaporator through an open return line. The warm, surface is downwardly concave so that non-volatile liquid which had been mixed with the refrigerant can be collected from the bottom of the surface and transported to a location remote from the evaporator, thereby separating contaminants from refrigerant.

REFERENCES:
patent: 1580293 (1926-04-01), Fitzer
patent: 2490547 (1949-12-01), Schraner et al.
patent: 4646527 (1987-03-01), Taylor
patent: 4862698 (1989-09-01), Morgan et al.
patent: 4864829 (1989-09-01), Manning et al.
patent: 4878458 (1989-11-01), Nelson
patent: 5142876 (1992-09-01), Snider et al.

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