TH99576A - Working medium for the heat cycle - Google Patents

Abstract

DC60 (20/05/2008) provides a working medium for thermal cycles with low environmental influence and excellent thermal cycle characteristics, and Rankine cycle, heat pump cycle, and refrigeration cycle systems with high capacity and efficiency. The working medium for thermal cycles is composed of the compounds represented by the following formula (1). Rankine cycle, heat pump cycle, and refrigeration cycle systems use such a working medium for the CnF2n+1 - CmH2m+1 (1) thermal cycle, where n is an integer from 2 to 8 and m is an integer from 0 to 3. Revised Invention Summary 10/07/2015 Provides a working medium for thermal cycles with low environmental influence and excellent thermal cycle characteristics, and Rankine cycle, heat pump cycle, and refrigeration cycle systems with high capacity and efficiency. The working medium for thermal cycles is composed of the compounds represented by the following formula (1). Rankine cycle, heat pump cycle, and refrigeration cycle systems use such a working medium for the CnF2n+1 - CmH2m+1 (1) thermal cycle, where n is an integer from 2 to 8 and m is an integer from 0 to 3. The working medium for the thermal cycle CnF2n+1-CmH2m+1 (1), where n is an integer from 2 to 8 and m is an integer from 0 to 3, is provided for the thermal cycle system with low environmental influence and excellent thermal cycle characteristics, and for Rankine cycle, heat pump cycle and refrigeration cycle systems with high capability and efficiency. The working medium for the thermal cycle is composed of the compounds represented by the following formula (1). Rankine cycle, heat pump cycle and refrigeration cycle systems using the working medium for the thermal cycle CnF2n+1-CmH2m+1 (1), where n is an integer from 2 to 8 and m is an integer from 0 to 3.

Claims (7)

Revised 22/10/2018 Claims: None ---------------------------------------------------------------------------------------------------- Revised 20/09/2018 Claims: 1. Rankine cycle system using a working medium for the heat cycle in which the working medium is composed of a compound represented by the formula (1-3) C6F13-C2H5 (1-3) ---------- Revised 10/7/2015 1. Rankine cycle system using a working medium for the heat cycle in which the working medium is composed of a compound represented by the formula (1-3) C6F13-C2H5 (1-3) 2. Heat pump cycle system using a working medium for the heat cycle in which the working medium is composed of a compound represented by the formula (1-3) C6F13-C2H5 (1-3) 3. Refrigeration cycle system using a working medium for the heat cycle in which the working medium The Rankine cycle system under claim 1, in which the working medium is further composed of at least one compound chosen from the group of C1-4 alcohols, chlorocarbons, hydrochlorocarbons (HCFCs), hydrofluorocarbons (HFCs), and fluoroethers. 5. The Rankine cycle system under claim 4, in which at least one compound is present in a maximum of 30% by mass in the working medium (100% by mass). 6. The heat pump cycle system under claim 2, in which the working medium is further composed of at least one compound chosen from the group of C1-4 alcohols, chlorocarbons, hydrochlorocarbons (HCFCs), hydrofluorocarbons (HFCs), and fluoroethers. 7. The heat cycle system under claim 6, in which at least one compound is present in 7. Refrigeration cycle system under claim 3, where the working medium is additionally composed of at least one compound selected from the group comprising C1-4 alcohols, chlorocarbons, hydrochlorocarbons (HCFCs), hydrofluorocarbons (HFCs), and fluoroethers. 8. Refrigeration cycle system under claim 8, where at least one compound is present in a maximum quantity of 30% by mass in the working medium (100% by mass). 9. Rankine cycle system under claim 1, which includes an evaporator and where the working medium is located in the evaporator. 10. Heat pump cycle system under claim 2, which includes a condenser and where the working medium is located in the condenser. 11. Refrigeration cycle system under claim 3, which includes an evaporator and where the working medium is located in the evaporator. 1. The working medium for the heat cycle is composed of a compound represented by the following formula (1): CnF2n+1 - CmH2m+1 (1), where n is an integer from 2 to 8 and m is an integer from 0 to 3. 2. The working medium for the heat cycle corresponds to claim 1, whereby the compound represented by formula (1) is the compound represented by the following formulas (1-1), the compound represented by the following formulas (1-2), or the compound represented by the following formulas (1-3): C4F9 - C2H5 (1-1) C6F13 - II (1-2) C6F13 - C2H5 (1-3) 3. The working medium for the thermal cycle conforms to claim 1 or 2 and contains another compound of choice from C1-4 alcohols, chlorocarbons, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), and fluoroethers. 4. The working medium for the heat cycle satisfies one of claims 1 through 3, whereby the total mass of the other compounds is at most 30% by mass in the working medium (100% by mass). 5. A Rankine cycle system that uses a working medium for a thermal cycle defined in any of Claims 1 through 4. 6. A heat pump cycle system that uses a working medium for a heat cycle defined in any of the claims 1 through 4. 7. A refrigeration cycle system that uses a working medium for a heating cycle as defined in any of Claims 1 through 4.