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Title:
WORKING FLUID
Document Type and Number:
Japanese Patent JPH0517757
Kind Code:
A
Abstract:

PURPOSE: To obtain a working fluid, containing fluorocarbons such as pentafluoroethane in a specific proportion, hardly destroying the ozonosphere as a substitutive fluid for R22, usable in the existing equipment, excellent in heat exchange efficiency and useful as heat pump devices such as air conditioners.

CONSTITUTION: The objective working fluid containing at least three fluorocarbons of (A) 0-95wt.% pentafluoroethane, (B) 0-95wt.% trifluoroethane and (C) 5-35wt.%, preferably 5-25wt.% dichlorotrifluoroethane.


Inventors:
YOSHIDA YUJI
FUNAKURA SHOZO
NAKATANI KAZUO
TAGASHIRA MINORU
Application Number:
JP17237791A
Publication Date:
January 26, 1993
Filing Date:
July 12, 1991
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
C09K5/04; (IPC1-7): C09K5/04
Attorney, Agent or Firm:
Akira Kobiji (2 outside)



 
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