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1. MYPI 2019007353 - WORKING MEDIUM FOR REFRIGERATION CYCLE, AND REFRIGERATION CYCLE SYSTEM

Office
Malaysia
Application Number PI 2019007353
Application Date 02.08.2018
Publication Number PI 2019007353
Publication Date 10.02.2019
Publication Kind A
IPC
C
CCHEMISTRY; METALLURGY
F
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Applicants PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Inventors NAKANO Yukio
SATO Shigehiro
Agents CAROLINE ANNE FRANCIS XAVIER MONEY
Priority Data 2017155056 10.08.2017 JP
Title
(EN) WORKING MEDIUM FOR REFRIGERATION CYCLE, AND REFRIGERATION CYCLE SYSTEM
Abstract
(EN) WORKING MEDIUM FOR REFRIGERATION CYCLE, AND REFRIGERATION CYCLE SYSTEM ABSTRACT A working medium for a refrigeration cycle contains (A) 1,1,2-trifluoroethylene, (B) difluoromethane, and a disproportionation inhibitor, (C) a haloalkane (having 1 to 4 carbon atoms but excluding a case where one or more halogen atoms are all fluorine) as a disproportionation inhibitor. When a ternary phase diagram according to triangular coordinates represents mass-ratio composition of the components (A) to (C), the mass-ratio composition is within a composition range corresponding to a combined region formed of: a first overlapping region where a region a (more than 0 mass% and less than or equal to 65 mass% of the component (A)) and a region b (more than 0 mass% and less than or equal to 30 mass% of the component (B)) overlap one another; and a second overlapping region where a region c (more than or equal to 20 mass% and less than 100 mass% of the component (C)) and the region b overlap one another. Figure 1