DIFLUOROMETHANE/HYDROCARBON REFRIGERANT MIXTURE AND REFRIGERATION CYCLE PLANT USING THE SAME

Title:

DIFLUOROMETHANE/HYDROCARBON REFRIGERANT MIXTURE AND REFRIGERATION CYCLE PLANT USING THE SAME

Document Type and Number:

WIPO Patent Application WO/1997/029162

Kind Code:

A1

Abstract:

A refrigerant mixture which scarcely effects the ozonosphere in the stratosphere, is less likely to cause global warming, and can be used as such together with conventional compressor lubricating oils other than ester oil in a conventional refrigeration cycle plant. The mixture comprises 80 to less than 100 % by weight of difluoromethane and at least one member selected among at most 20 % by weight of cyclopropane, at most 10 % by weight of isobutane, and at most 5 % by weight of butane.

Inventors:

YOSHIDA YUJI (JP)
FUNAKURA MASAMI (JP)
MATSUO MITSUHARU (JP)
OKAZA NORIHO (JP)

Application Number:

PCT/JP1997/000286

Publication Date:

August 14, 1997

Filing Date:

February 06, 1997

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
YOSHIDA YUJI (JP)
FUNAKURA MASAMI (JP)
MATSUO MITSUHARU (JP)
OKAZA NORIHO (JP)

International Classes:

F25B1/00; C07C9/10; C07C9/12; C07C13/04; C07C19/08; C09K5/04; F25B9/00; (IPC1-7): C09K5/04; F25B13/00

Domestic Patent References:

WO1994009082A1	1994-04-28
WO1995016757A1	1995-06-22

Other References: