IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0001847
(2009-06-30)
|
등록번호 |
US-8496845
(2013-07-30)
|
국제출원번호 |
PCT/JP2009/062243
(2009-06-30)
|
§371/§102 date |
20101229
(20101229)
|
국제공개번호 |
WO2010/002014
(2010-01-07)
|
발명자
/ 주소 |
- Tsuchiya, Tatsumi
- Fujiwara, Katsuki
- Noguchi, Masahiro
- Yamada, Yasufu
|
출원인 / 주소 |
|
대리인 / 주소 |
Wenderoth, Lind & Ponack, L.L.P.
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
0 |
초록
▼
The present invention provides a refrigerant composition that is nonflammable, and ensures low LCCP and less burden on the environment. More specifically, the present invention relates a refrigerant composition containing difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropr
The present invention provides a refrigerant composition that is nonflammable, and ensures low LCCP and less burden on the environment. More specifically, the present invention relates a refrigerant composition containing difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropropene (HFO1234yf), the ratio of HFC32/HFC125/HFO1234yf being in a range surrounded by points (0/21/79 mass %), (16.6/25.3/58.1 mass %), and (0/28.4/71.6 mass %) in a ternary diagram of a refrigerant composition containing HFC32, HFC125, and HFO1234yf, and the composition essentially containing HFC32.
대표청구항
▼
1. A composition comprising refrigerants, wherein the refrigerants are difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropropene (HFO1234yf), the ratio of HFC32/HFC125/HFO1234yf is in a range surrounded by points (3/22/75 mass %), (15/25/60 mass %), and (3/27/70 mass %) in
1. A composition comprising refrigerants, wherein the refrigerants are difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropropene (HFO1234yf), the ratio of HFC32/HFC125/HFO1234yf is in a range surrounded by points (3/22/75 mass %), (15/25/60 mass %), and (3/27/70 mass %) in a ternary diagram of a refrigerant composition containing HFC32, HFC125, and HFO1234yf, and wherein the composition is non-flammable. 2. The composition according to claim 1, wherein the ratio of HFC32/HFC125/HFO1234yf is in a range surrounded by points (5/24/71 mass %), (3/24/73 mass %), (3/22/75 mass %), and (3/22/73 mass %) in the ternary diagram. 3. The composition according to claim 1, further comprising a polymerization inhibitor. 4. The composition according to claim 1, further comprising a drying agent. 5. The composition according to claim 1, further comprising a stabilizer. 6. A method of operating a refrigerator, comprising circulating the composition according to claim 1 via a compressor. 7. A method of producing the composition according to claim 1, comprising mixing difluoromethane (HFC32), pentafluoroethane (HFC125), and 2,3,3,3-tetrafluoropropene (HFO1234yf) so that the ratio of HFC32/HFC125/HFO1234yf is in a range surrounded by points (3/22/75 mass %), (15/25/60 mass %), and (3/27/70 mass %) in a ternary diagram of a refrigerant composition containing HFC32, HFC125, and HFO1234yf. 8. A refrigerator comprising the composition according to claim 1.
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