To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (capacity), and a heat cycle system, of which the s
To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (capacity). A working medium for heat cycle comprising 1,1,2-trifluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system or a heat transport system).
대표청구항▼
1. A working medium, comprising: based on a total amount of the working medium,1,1,2-trifluoroethylene of at least 20 mass %, anddifluoromethane of at least 1 mass %. 2. The working medium according to claim 1, further comprising: a hydrocarbon. 3. The working medium according to claim 1, further co
1. A working medium, comprising: based on a total amount of the working medium,1,1,2-trifluoroethylene of at least 20 mass %, anddifluoromethane of at least 1 mass %. 2. The working medium according to claim 1, further comprising: a hydrocarbon. 3. The working medium according to claim 1, further comprising: a hydrochlorofluoroolefin or a chlorofluoroolefin. 4. The working medium according to claim 1, which comprises 1,1,2-trifluoroethylene of at least 60 mass % based on the total amount of the working medium. 5. The working medium according to claim 2, which comprises the hydrocarbon of from 1 to 40 mass % based on the total amount of the working medium. 6. The working medium according to claim 1, which comprises difluoromethane of from 1 to 60 mass % based on the total amount of the working medium. 7. The working medium according to claim 3, which comprises the hydrochlorofluoroolefin and the chlorofluoroolefin in a total content of from 1 to 60 mass % based on the total amount of the working medium. 8. The working medium according to claim 2, wherein the hydrocarbon is propane, propylene, cyclopropane, butane, isobutane, pentane, or isopentane. 9. The working medium according to claim 3, wherein the working medium comprises the hydrochlorofluoroolefin, which is 1-chloro-2,3,3,3-tetrafluoropropene or 1-chloro-1,2-difluoroethylene. 10. The working medium according to claim 3, wherein the working medium comprises the chlorofluoroolefin, which is 1,1-dichloro-2,3,3,3-tetrafluoropropene or 1,2-dichloro-1,2-difluoroethylene. 11. A heat cycle system, comprising: the working medium according to claim 1. 12. The working medium according to claim 1, which comprises difluoromethane of at least 20 mass % based on the total amount of the working medium.
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이 특허에 인용된 특허 (3)
Novak Richard A. ; Lang Gary D. ; Acharya Arun ; Royal John Henri ; Rashad Mohammad Abdul-Aziz, Method for providing refrigeration.
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