JP6768553B2 - 回転式圧縮機及び冷凍サイクル装置 - Google Patents
回転式圧縮機及び冷凍サイクル装置 Download PDFInfo
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- JP6768553B2 JP6768553B2 JP2017029902A JP2017029902A JP6768553B2 JP 6768553 B2 JP6768553 B2 JP 6768553B2 JP 2017029902 A JP2017029902 A JP 2017029902A JP 2017029902 A JP2017029902 A JP 2017029902A JP 6768553 B2 JP6768553 B2 JP 6768553B2
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- rotating shaft
- main bearing
- bearing side
- auxiliary bearing
- annular groove
- Prior art date
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
- F25B31/026—Compressor arrangements of motor-compressor units with compressor of rotary type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3568—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member with axially movable vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
- F04C2240/52—Bearings for assemblies with supports on both sides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Description
Claims (2)
- 回転軸と、この回転軸の一端側に連結された電動機部と、この回転軸の他端側に連結されて内部にシリンダ室を有する圧縮機構部とが密閉容器内に収容され、前記回転軸は前記シリンダ室の前記電動機部側に位置する主軸受と前記シリンダ室の前記電動機部とは反対側に位置する副軸受とにより軸支され、前記回転軸における前記主軸受と前記副軸受とに軸支される部分の直径が同じに形成され、前記回転軸の軸方向に沿った前記主軸受と前記回転軸との接触長さが前記副軸受と前記回転軸との接触長さより大きく設定された回転式圧縮機であって、
前記主軸受の前記シリンダ室に対向する側の端部に、主軸受側環状溝とこの主軸受側環状溝の内周側に位置して前記回転軸に接触する部分となる主軸受側弾性部とが形成され、
前記副軸受の前記シリンダ室に対向する側の端部に、副軸受側環状溝とこの副軸受側環状溝の内周側に位置して前記回転軸に接触する部分となる副軸受側弾性部とが形成され、
前記主軸受側環状溝の溝深さが前記副軸受側環状溝の溝深さより深く形成され、
前記主軸受側弾性部の外周面は、付け根部の肉厚と先端部の肉厚とが同じになるようにストレート状に形成され、
前記副軸受側弾性部の外周面は、付け根部の肉厚が先端部の肉厚より厚くなるようにテーパ状に形成され、
前記副軸受側弾性部の前記付け根部の肉厚は前記主軸受側弾性部の肉厚より厚く、前記副軸受側弾性部の前記先端部の肉厚は前記主軸受側弾性部の肉厚より薄く形成されていることを特徴とする回転式圧縮機。 - 請求項1に記載の回転式圧縮機と、前記回転式圧縮機に接続される放熱器と、前記放熱器に接続される膨張装置と、前記膨張装置と前記回転式圧縮機との間に接続される吸熱器とを備えた冷凍サイクル装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017029902A JP6768553B2 (ja) | 2017-02-21 | 2017-02-21 | 回転式圧縮機及び冷凍サイクル装置 |
CN201810112497.4A CN108457858B (zh) | 2017-02-21 | 2018-02-05 | 旋转式压缩机以及制冷循环装置 |
US15/891,447 US10690385B2 (en) | 2017-02-21 | 2018-02-08 | Rotary compressor and refrigerating cycle device having bearings containing annular groove/elastic portion arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017029902A JP6768553B2 (ja) | 2017-02-21 | 2017-02-21 | 回転式圧縮機及び冷凍サイクル装置 |
Publications (2)
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JP2018135780A JP2018135780A (ja) | 2018-08-30 |
JP6768553B2 true JP6768553B2 (ja) | 2020-10-14 |
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Country Status (3)
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US (1) | US10690385B2 (ja) |
JP (1) | JP6768553B2 (ja) |
CN (1) | CN108457858B (ja) |
Families Citing this family (3)
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WO2020121443A1 (ja) * | 2018-12-12 | 2020-06-18 | 東芝キヤリア株式会社 | 回転式圧縮機および冷凍サイクル装置 |
FR3102792B1 (fr) * | 2019-11-05 | 2021-10-29 | Danfoss Commercial Compressors | Compresseur à spirales comportant un maneton ayant un évidement supérieur |
CN114151344B (zh) * | 2021-12-03 | 2023-06-23 | 广东美芝制冷设备有限公司 | 压缩机的轴承、压缩机及制冷设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0755343Y2 (ja) * | 1987-09-14 | 1995-12-20 | 三菱電機株式会社 | 回転式圧縮機 |
JP2004124834A (ja) * | 2002-10-03 | 2004-04-22 | Mitsubishi Electric Corp | 密閉型ロータリ圧縮機 |
JPWO2009145232A1 (ja) | 2008-05-28 | 2011-10-13 | 東芝キヤリア株式会社 | 密閉型圧縮機及び冷凍サイクル装置 |
JP5263360B2 (ja) * | 2011-09-26 | 2013-08-14 | ダイキン工業株式会社 | 圧縮機 |
JP5370450B2 (ja) * | 2011-09-28 | 2013-12-18 | ダイキン工業株式会社 | 圧縮機 |
JP6078393B2 (ja) * | 2013-03-27 | 2017-02-08 | 東芝キヤリア株式会社 | 回転式圧縮機、冷凍サイクル装置 |
JP6066801B2 (ja) * | 2013-03-29 | 2017-01-25 | 三菱電機株式会社 | 密閉型回転圧縮機 |
JP2016017473A (ja) * | 2014-07-09 | 2016-02-01 | ダイキン工業株式会社 | 回転式圧縮機 |
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2017
- 2017-02-21 JP JP2017029902A patent/JP6768553B2/ja active Active
-
2018
- 2018-02-05 CN CN201810112497.4A patent/CN108457858B/zh active Active
- 2018-02-08 US US15/891,447 patent/US10690385B2/en active Active
Also Published As
Publication number | Publication date |
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CN108457858A (zh) | 2018-08-28 |
JP2018135780A (ja) | 2018-08-30 |
CN108457858B (zh) | 2020-08-21 |
US10690385B2 (en) | 2020-06-23 |
US20180238596A1 (en) | 2018-08-23 |
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