Claims
- 1. A refrigerant compressor comprising a compressing section sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and plural bearings rotatably supporting a driving shaft for driving said compressing section; wherein at least a part of said plural bearings comprises a member containing lead, and an ether oil miscible with said sucked and compressed refrigerant is used as a lubricating oil for said plural bearings.
- 2. A refrigerant compressor according to claim 1, wherein said ether oil having miscibility with the refrigerant mainly comprises a polyvinylether-based compound.
- 3. A refrigerant compressor comprising a compressing section sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and a bearing rotatably supporting a driving shaft for driving said compressing section;wherein said compressing section sucking and compressing said refrigerant comprises a scroll type compressor mechanism composed of a pair of spiral scrolling members; a sliding engagement section engaging the scrolling members of the scroll type compressor mechanism and the driving shaft thereof comprises a member containing lead; and ether oil is used as a lubricant for lubricating said sliding engagement section.
- 4. A refrigerant compressor comprising a compressing section sucking from the group consisting of hydrofluorocarbon-based refrigerants, and a plain bearing rotatably supporting a driving shaft for driving said compressing section on a stationary member; wherein said compressing section sucking and compressing said refrigerant comprises a scroll type compressor mechanism composed of a pair of spiral scrolling members; the bearing rotatably supporting said driving shaft engaging the scrolling members of the scroll type compressor mechanism comprises a member containing lead; and ether oil miscible with said sucking and compressing refrigerant is used as a lubricant for lubricating said sliding engagement section and the bearing.
- 5. A refrigerant compressor comprising a compressor mechanism sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, a driving shaft for driving said compressor mechanism, and a bearing rotatably supporting said driving shaft; wherein a sliding section within refrigerant compressor has said bearing containing lead, and an ether oil miscible with said refrigerant is used as a lubricant.
- 6. A refrigerant compressor according to claim 5, wherein a steel backing of said bearing has an intermediate layer containing porous bronze and a surface layer containing a resin and lead.
- 7. A refrigerant compressor according to claim 6, wherein said resin if PTFE.
- 8. A refrigerating apparatus comprising a compressor sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and a condenser;wherein said compressor has a driving shaft for driving the compressing section, and one or more bearings rotatably supporting the driving shaft, and at least one bearing of said bearings comprises a member containing lead; and wherein an ether oil miscible with the refrigerant used for a refrigerant circuit is used as a lubricant for lubricating said bearings.
- 9. A refrigerating apparatus comprising a refrigerant circuit composed of a compressor using a bearing for rotatably supporting a driving shaft for driving compressing section, a condenser, a expansion device, and an evaporator connected to each other;wherein a refrigerant sealed in the refrigerant circuit is at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants; at least one bearing of said compressor comprises a member containing lead; and an ether oil miscible with the refrigerant used in said refrigerant circuit is used as a lubricant for lubricating said bearing.
- 10. A refrigerating apparatus comprising a refrigerant circuit formed by piping-connecting a scroll compressor having a scroll type compressor mechanism composed of a pair of spiral scrolling members, a condenser, a expansion device and an evaporator;wherein a refrigerant comprising at least one member selected from the group of hydrofluorocrabon-based refrigerants is sealed in said refrigerant circuit; wherein said scroll compressor has a engagement section engaging the scrolling member of the compressor mechanism and a driving shaft thereof, and a bearing for rotatably supporting said driving shaft on a stationary member, at least one of said engagement section and said bearing comprising members containing lead; and wherein an ether oil miscible with the refrigerant used in said refrigerant circuit is used as a lubricant for lubricating said engagement section and said bearing.
- 11. A refrigerant apparatus according to claim 10, wherein said lubricant is an ether oil mainly comprising a compound selected from the group consisting of polyvinylether-based compound and a cyclic ether-based compound.
- 12. A refrigerant compressor comprising a compressing section sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and at least one bearing rotatably supporting a driving shaft for driving said compressing section;wherein said at least one bearing comprises a rolling bearing, and an ether oil miscible with said refrigerant to be sucked and compressed is used as a lubricant for lubricating said rolling bearing.
- 13. A refrigerant compressor according to claim 12, wherein said ether oil miscible with the refrigerant mainly comprises a polyvinylether-based compound.
- 14. A refrigerant compressor according to claim 12, wherein said rolling bearing is a radial type rolling bearing.
- 15. A refrigerant compressor comprising a compressing section sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and at least one bearing rotatably supporting a driving shaft for driving said compressing section on a stationary member;wherein said compressing section sucking and compressing said refrigerant comprises a scroll type compressor mechanism composed of a pair of spiral scrolling members; said at least one bearing rotatably supporting the driving shaft for driving the scroll type compressor mechanism comprises a rolling bearing, and an ether oil miscible with said sucking and compressing refrigerant is used as a lubricant for lubricating said rolling bearing.
- 16. A refrigerant compressor comprising a compressor mechanism sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-type based refrigerants, a driving shaft for driving said compressor mechanism and a rolling bearing supporting a force generated upon compressing the refrigerant at the compressor mechanism by the rotation of the driving shaft, wherein an ether oil miscible with said refrigerant is used as a lubricant.
- 17. A refrigerating apparatus comprising a compressor sucking and compressing a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants, and a condenser;wherein said compressor has a driving shaft for driving the compressor section, and a rolling bearing rotatably supporting the driving shaft; and an ether oil miscible with the refrigerant used for refrigerant circuit is used as a lubricant for lubricating said rolling bearing.
- 18. A refrigerating apparatus comprising a refrigerant circuit composed of a compressor having at least one bearing for rotatably supporting a driving shaft for driving a compressing section, a condenser, a expansion device, and an evaporator connected to each other;wherein a refrigerant sealed in the refrigerant circuit is at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants; said at least one bearing of said compressor comprises a rolling bearing; and an ether oil miscible with the refrigerant used in said refrigerant circuit is used as a lubricant for lubricating said rolling bearing.
- 19. A refrigerating apparatus comprising a refrigerant circuit formed by piping-connecting a scroll compressor having a scroll type compressor mechanism composed of a pair of spiral scrolling members, a condenser, a expansion device and an evaporator;wherein a refrigerant comprising at least one member selected from the group consisting of hydrofluorocarbon-based refrigerants is sealed in said refrigerant circuit; said scroll compressor has a sliding engagement section engaging the scrolling member of the compressor mechanism and a driving shaft thereof, and at least one bearing for rotatably supporting said driving shaft thereof, and at least one bearing for rotatably supporting said driving shaft on a stationary member, said at least one bearing comprising a rolling bearing; and a ether oil miscible with the refrigerant used in said refrigerant circuit is used as a lubricant for lubricating said rolling bearing.
- 20. A refrigerating apparatus according to claim 19, wherein said lubricant is an ether oil mainly comprising a compound selected from the group consisting of a polyvinylether-based compound and a cyclic ether-based compound.
Priority Claims (1)
Number |
Date |
Country |
Kind |
9-246480 |
Sep 1997 |
JP |
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Parent Case Info
This is a continuation of application U.S. Ser. No. 09/373,598, filed Aug. 13, 1999, now U.S. Pat. 6,055,827 which is a divisional application of U.S. Ser. No. 09/151,274, filed Sep. 11, 1998 (now U.S. Pat. No. 6,006,542, granted Dec. 28, 1999).
US Referenced Citations (4)
Continuations (1)
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Number |
Date |
Country |
Parent |
09/373598 |
Aug 1999 |
US |
Child |
09/551549 |
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US |