REFRIGERATION CYCLE DEVICE, PROCESS OF MANUFACTURE OF REFRIGERATION CYCLE DEVICE, DROP-IN METHOD FOR REFRIGERATION CYCLE DEVICE, AND REPLACE METHOD FOR REFRIGERATION CYCLE DEVICE

• Main Authors: YAMASHITA KOJI, IKEDA SOJI, NISHIYAMA TAKUMI, TAKENAKA NAOFUMI, TANAKA KOYU
• Format: Patent
• Language: English; Japanese
• Published: 24.08.2017
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

PROBLEM TO BE SOLVED: To provide a refrigeration cycle device using mixed refrigerant composition realizing a theoretical COP equivalent to or more than R410A and HFO1123/HFC32 at GWP lower than HFO1123/HFC32.SOLUTION: A refrigeration cycle device uses a mixed refrigerant composition containing 1,1,2-trifluoroethylene of HFO, difluoromethane of HFC and 2,3,3,3-tetrafluoropropene of HFO in which mass ratios of these three compositions are kept in a range of triangle of a triangle composition chart with the three compositions being applied as apex points of a point A specified by HFO1123/HFC32/HFO1234yf=1/98/1 mass%, a point B specified by HFO1123/HFC32/HFO1234yf=32/67/1 mass% and a point C specified by HFO1123/HFC32/HFO1234yf=1/50/49 mass%.SELECTED DRAWING: Figure 1 【課題】Ｒ４１０ＡかつＨＦＯ１１２３／ＨＦＣ３２と同等以上の理論ＣＯＰを、ＨＦＯ１１２３／ＨＦＣ３２よりも低いＧＷＰで実現する混合冷媒組成物を用いた冷凍サイクル装置を提供する。【解決手段】冷凍サイクル装置は、ＨＦＯの１，１，２−トリフルオロエチレンと、ＨＦＣのジフルオロメタンと、ＨＦＯの２，３，３，３−テトラフルオロプロペンと、を含有し、これら三成分の質量比が、該三成分を頂点とする三角組成図において、ＨＦＯ１１２３／ＨＦＣ３２／ＨＦＯ１２３４ｙｆ＝１／９８／１ｍａｓｓ％で特定される点Ａ、ＨＦＯ１１２３／ＨＦＣ３２／ＨＦＯ１２３４ｙｆ＝３２／６７／１ｍａｓｓ％で特定される点Ｂ、及び、ＨＦＯ１１２３／ＨＦＣ３２／ＨＦＯ１２３４ｙｆ＝１／５０／４９ｍａｓｓ％で特定される点Ｃ、の三点を頂点とする三角形の範囲内にある混合冷媒組成物を用いたものである。【選択図】図１