Apparatus for identifying and distinguishing different refrigera

Details Apparatus for identifying and distinguishing different refrigera Apparatus for identifying and distinguishing different refrigera

1991-04-26

1992-10-27

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422 83, 73 2404, 73 2504, 73 2903, 62125, 62127, G01N 700, G01N 2700

Patent

active

051587475

ABSTRACT:
Apparatus for identifying and distinguishing between at least two different types of refrigerant includes a sample container having a fixed internal volume. Refrigerant to be tested is selectively admitted into the container in vapor phase, vapor pressure of refrigerant within the container is measured, and admission of refrigerant into the container is terminated when the vapor pressure of refrigerant contained therein reaches a preselected level. A sensor and associated electronics are coupled to the container for determining type of refrigerant vapor in the container as a function of one or more selected properties of the refrigerant, and indicating such refrigerant type to the operator.

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patent: 4849988 (1989-07-01), Chien
patent: 4878356 (1989-11-01), Punches et al.
patent: 4939905 (1990-07-01), Manz

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