Working medium for heat cycle
View Patent ↗A working medium for heat cycle has less impact on the environment and is excellent in heat cycle characteristics for a Rankine cycle system, a heat pump cycle system, and a refrigerating cycle system. The working medium has the formula C n F 2n+1 —C m H 2m+1 , wherein n is an integer of from 2 to 8, an m is an integer of from 0 to 3.
1. A Rankine cycle system employing a working medium for heat cycle-wherein said working medium comprising a compound represented by formula (1-3):
C 6 F 13 —C 2 H 5 (1-3).
2. A heat pump cycle system employing a working medium for heat cycle wherein said working medium comprising a compound represented by formula (1-3):
C 6 F 13 —C 2 H 5 (1-3).
3. A refrigerating cycle system employing a working medium for heat cycle wherein said working medium comprising a compound represented by formula (1-3):
C 6 F 13 —C 2 H 5 (1-3).
4. The Rankine cycle system according to claim 1 , wherein the working medium further comprises at least one compound selected from the group consisting of a C 1-4 alcohol, a chlorocarbon, a hydrochlorofluorocarbon (HCFC), a hydrofluorocarbon (HFC), and a fluoroether.
5. The Rankine cycle system according to claim 4 , wherein the at least one compound is present in an amount of at most 30 mass % in the working medium (100 mass %).
6. The heat pump cycle system according to claim 2 , wherein the working medium further comprises at least one compound selected from the group consisting of a C 1-4 alcohol, a chlorocarbon, a hydrochlorofluorocarbon (HCFC), a hydrofluorocarbon (HFC), and a fluoroether.
7. The heat pump cycle system according to claim 6 , wherein the at least one compound is present in an amount of at most 30 mass % in the working medium (100 mass %).
8. The refrigerating cycle system according to claim 3 , wherein the working medium further comprises at least one compound selected from the group consisting of a C 1-4 alcohol, a chlorocarbon, a hydrochlorofluorocarbon (HCFC), a hydrofluorocarbon (HFC), and a fluoroether.
9. The refrigerating cycle system according to claim 8 , wherein the at least one compound is present in an amount of at most 30 mass % in the working medium (100 mass %).
10. The Rankine cycle system of claim 1 , comprising an evaporator and wherein the working medium is in the evaporator.
11. The heat pump cycle system of claim 2 , comprising a condenser and wherein the working medium is in the condenser.
12. The refrigerating cycle system of claim 3 , comprising an evaporator and wherein the working medium is in the evaporator.