HEAT-CYCLE WORKING MEDIUM COMPOSITION AND HEAT CYCLE SYSTEM

WIPO Patent Application WO/2018/052000

A1

The present invention provides a heat-cycle working medium composition, the working medium composition having excellent refrigerant performance and being usable as a substitute for various existing refrigerants, and a heat cycle system using the composition. The heat-cycle working medium composition according to the present invention comprises a refrigerant containing 3,3,3-trifluoropropyne, and at least one compound selected from difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane, and satisfies (1) or (2) as follows: (1) the 3,3,3-trifluoropropyne content is 1 mass% or more with respect to the total mass of the compound and 3,3,3-trifluoropropyne; (2) the refrigerant is an azeotropic or azeotropic-like mixture.

WO/2019/022141	AZEOTROPE OR AZEOTROPIC COMPOSITION, WORKING MEDIUM FOR HEAT CYCLE, AND HEAT CYCLE SYSTEM
JPH07503741	[Title of the Invention] A composition useful as a refrigerant.
WO/2011/093521	REFRIGERANT COMPOSITION COMPRISING DIFLUOROMETHANE (HFC32) AND 2,3,3,3-TETRAFLUOROPROPENE (HFO1234YF)

KARUBE DAISUKE (JP)
TSUCHIYA TATSUMI (JP)
CHAKI TAKEHIRO (JP)
YAMADA YASUFU (JP)
KOMATSU YUZO (JP)
TOMOTSUKA IKUMI (JP)
MIZUNO AKIHITO (JP)

PCT/JP2017/032972

March 22, 2018

September 13, 2017

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DAIKIN IND LTD (JP)

C09K5/04; F25B1/00

JP2016065206A	2016-04-28
JP2016519703A	2016-07-07
JP2013529717A	2013-07-22

SAEGUSA & PARTNERS (JP)

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