Low pressure refrigerant contaminant tester

Details Low pressure refrigerant contaminant tester Low pressure refrigerant contaminant tester

1987-02-12

1989-02-14

Tanner, Harry B.

Refrigeration

Processes

Separating or preventing formation of undesirables

62127, 62129, F25B 4700

Patent

active

048038431

ABSTRACT:
A low pressure refrigerant specimen is metered from a refrigeration system as a two phase mixture containing both a liquid phase and a gas phase. The mixture is sealed in an inflatable bag and the liquid phase is permitted to become a gas at atmospheric pressure whereby any contaminants in the sample are uniformly distributed throughout the sample. A small representative sample of the gas is drawn from the bag by a pump and the sample passed through a contaminant tester tube which provides a visual indication of the amount of one or more selected contaminants contained in the representative sample.

REFERENCES:
patent: 2506806 (1950-05-01), Metzger
patent: 3086392 (1963-04-01), Ehrens
patent: 3572050 (1971-03-01), Bottum
patent: 3838578 (1974-10-01), Sakasegawa et al.
patent: 4110998 (1978-09-01), Owen

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