METHOD OF CHARGING MIXED COOLING MEDIUM

Title:

METHOD OF CHARGING MIXED COOLING MEDIUM

Document Type and Number:

WIPO Patent Application WO/1998/023703

Kind Code:

A1

Abstract:

To use a non-azeotropic mixture consisting of HFC32 (23 wt.%), HFC125 (25 wt.%) and HFC134a (52 wt.%) as a cooling medium, the mixture in a container on the supply side such as a bomb is made to have a composition of HFC31 (23.5 to 25.0 wt.%), HFC125 (23.5 to 25.0 wt.%) and HFC134a (50.0 to 53.0 wt.%), and extracted from thte liquid phase at a temperature not higher than 40 �C. The change of the composition due to the charging is within an allowable range of cooling performance.

Inventors:

IDE SATOSHI (JP)
SHIBANUMA TAKASHI (JP)

Application Number:

PCT/JP1997/004298

Publication Date:

June 04, 1998

Filing Date:

November 25, 1997

Export Citation:

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Assignee:

DAIKIN IND LTD (JP)
IDE SATOSHI (JP)
SHIBANUMA TAKASHI (JP)

International Classes:

C09K5/04; F25B45/00; F25B1/00; (IPC1-7): C09K5/04; F25B1/00

Foreign References:

JPH08157810A

1996-06-18

Other References: