The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and a
The working fluid composition for a refrigerating machine of this invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and an unsaturated fluorinated hydrocarbon refrigerant. The refrigerating machine oil of the invention comprises a base oil containing an ether-based compound, an amine salt of an acidic phosphoric acid ester, and at least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds, and it is to be used together with an unsaturated fluorinated hydrocarbon refrigerant.
대표청구항▼
1. A working fluid composition for a refrigerating machine comprising a refrigerating machine oil and an unsaturated fluorinated hydrocarbon refrigerant, wherein the refrigerating machine oil comprises: a base oil containing an ether-based compound,an amine salt of an acidic phosphoric acid ester in
1. A working fluid composition for a refrigerating machine comprising a refrigerating machine oil and an unsaturated fluorinated hydrocarbon refrigerant, wherein the refrigerating machine oil comprises: a base oil containing an ether-based compound,an amine salt of an acidic phosphoric acid ester in an amount of 100 ppm by mass or greater based on the total amount of the refrigerating machine oil, andat least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds. 2. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing an ether-based compound,the amine salt of an acidic phosphoric acid ester, andan amine-based antioxidant. 3. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing an ether-based compound,the amine salt of an acidic phosphoric acid ester, anda metal inactivating agent. 4. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester in an amount of from 100 ppm by mass to 400 ppm by mass based on the total amount of the refrigerating machine oil, andan alicyclic epoxy compound. 5. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester in an amount of 400 ppm by mass or greater based on the total amount of the refrigerating machine oil,and an alicyclic epoxy compound. 6. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester in an amount of from 100 ppm by mass to 400 ppm by mass based on the total amount of the refrigerating machine oil,an amine-based antioxidant,an metal inactivating agent, and an alicyclic epoxy compound. 7. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester in an amount of 400 ppm by mass or greater based on the total amount of the refrigerating machine oil,the amine-based antioxidant,the metal inactivating agent, andan alicyclic epoxy compound. 8. A working fluid composition for a refrigerating machine according to claim 1, wherein the refrigerating machine oil comprises the base oil containing the ether-based compound and an alicyclic epoxy compound, and the refrigerating machine oil has a moisture content of 300-10,000 ppm by mass. 9. A working fluid composition for a refrigerating machine according to claim 1, comprising at least one compound selected from among 1,2,3,3,3-pentafluoropropene, 1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene, 1,2,3,3-tetrafluoropropene and 3,3,3-trifluoropropene, as the unsaturated fluorinated hydrocarbon refrigerant. 10. A working fluid composition for a refrigerating machine according to claim 1, further comprising at least one component selected from among saturated hydrofluorocarbon, C3-5 hydrocarbon, dimethyl ether, carbon dioxide, bis(trifluoromethyl)sulfide and trifluoroiodomethane refrigerants. 11. A working fluid composition for a refrigerating machine according to claim 10, wherein the unsaturated fluorinated hydrocarbon refrigerant is at least one selected from among 1,2,3,3,3-pentafluoropropene, 1,3,3,3-tetrafluoropropene, 2,3,3,3-tetrafluoropropene, 1,2,3,3-tetrafluoropropene and 3,3,3-trifluoropropene, the saturated hydrofluorocarbon is at least one selected from among difluoromethane, pentafluoroethane, 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, 1,1-difluoroethane, fluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,3,3-hexafluoropropane, 1,1,1,3,3,3-hexafluoropropane, 1,1,1,3,3-pentafluoropropane and 1,1,1,3,3-pentafluorobutane, and the C3-5 hydrocarbon is at least one selected from among propane, normal-butane, isobutane, 2-methylbutane and normal-pentane. 12. A refrigerating machine oil comprising: a base oil containing an ether-based compound,an amine salt of an acidic phosphoric acid ester in an amount of 100 ppm or greater by mass based on the total amount of the refrigerating machine oil, andat least one compound selected from the group consisting of amine-based antioxidants, metal inactivating agents and alicyclic epoxy compounds,the refrigerating machine oil being used together with an unsaturated fluorinated hydrocarbon refrigerant. 13. A refrigerating machine oil according to claim 12, comprising: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester, andan amine-based antioxidant,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 14. A refrigerating machine oil according to claim 12, comprising: the base oil containing the ether-based compound,the amine salt of an acidic phosphoric acid ester, anda metal inactivating agent,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 15. A refrigerating machine oil according to claim 12, comprising the base oil containing the ether-based compound, the amine salt of an acidic phosphoric acid ester and an alicyclic epoxy compound, wherein the content of the amine salt of the acidic phosphoric acid ester is from 100 ppm by mass to 400 ppm by mass based on the total amount of the refrigerating machine oil,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 16. A refrigerating machine oil according to claim 12, comprising the base oil containing the ether-based compound, the amine salt of an acidic phosphoric acid ester and an alicyclic epoxy compound, wherein the content of the amine salt of the acidic phosphoric acid ester is 400 ppm by mass or greater based on the total amount of the refrigerating machine oil,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 17. A refrigerating machine oil according to claim 12, comprising the base oil containing the ether-based compound, the amine salt of an acidic phosphoric acid ester, an amine-based antioxidant, a metal inactivating agent, and an alicyclic epoxy compound, wherein the content of the amine salt of the acidic phosphoric acid ester is from 100 ppm by mass to 400 ppm by mass based on the total amount of the refrigerating machine oil,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 18. A refrigerating machine oil according to claim 12, comprising the base oil containing the ether-based compound, the amine salt of an acidic phosphoric acid ester, an amine-based antioxidant, a metal inactivating agent, and an alicyclic epoxy compound, wherein the content of the amine salt of the acidic phosphoric acid ester is 400 ppm by mass or greater based on the total amount of the refrigerating machine oil,the refrigerating machine oil being used together with the unsaturated fluorinated hydrocarbon refrigerant. 19. A refrigerating machine oil according to claim 12, comprising the base oil containing the ether-based compound, and an alicyclic epoxy compound, the refrigerating machine oil having a moisture content of 300-10,000 ppm by mass and being used together with the unsaturated fluorinated hydrocarbon refrigerant.
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이 특허에 인용된 특허 (3)
Ward Eldon L. (Angleton TX) McGraw Philip W. (Lake Jackson TX) Appleman Thomas J. (Sterling VA), Lubricants for reciprocating air compressors.
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