Halocarbon and azeotrope refrigerant compositions containing off

Details Halocarbon and azeotrope refrigerant compositions containing off Halocarbon and azeotrope refrigerant compositions containing off

1980-05-14

1981-10-13

Willis, Jr., P. E.

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

With lubricants, or warning, stabilizing or anti-corrosion...

252 67, C09K 500, C10M 0130

Patent

active

042947162

ABSTRACT:
This invention deals with the identification of materials which can be used as an odorant for halocarbons and azetropes, primarily chlorofluorocarbons, commonly used as refrigerants in refrigeration, airconditioning and process cooling systems. Refrigerants containing less than 2% by weight of an inert volatile compound having an offensive odor unobjectionably attracts the attention of the human olfactory senses when a refrigeration system containing such a refrigerant develops a leak. The offensive odor acts as a warning signal and permits the refrigerant leaks to be detected and remedied as they occur, thereby decreasing the quantity of refrigerant that would otherwise be lost, as well as preventing loss of perishables, uncomfortable or unworkable surroundings, damage to sensitive equipment, increased use of electrical energy, and possible incremental damage to the stratosheric ozone layer.

REFERENCES:
patent: 3169839 (1965-02-01), Calva
patent: 3545949 (1970-12-01), Oister

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