JP7378646B2 - 圧縮機およびそれを備えた冷凍サイクル装置 - Google Patents

圧縮機およびそれを備えた冷凍サイクル装置 Download PDF

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Publication number
JP7378646B2
JP7378646B2 JP2022572873A JP2022572873A JP7378646B2 JP 7378646 B2 JP7378646 B2 JP 7378646B2 JP 2022572873 A JP2022572873 A JP 2022572873A JP 2022572873 A JP2022572873 A JP 2022572873A JP 7378646 B2 JP7378646 B2 JP 7378646B2
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Japan
Prior art keywords
oil
refrigerant
section
oil return
compressor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
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JP2022572873A
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English (en)
Japanese (ja)
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JPWO2022145048A1 (https=
JPWO2022145048A5 (https=
Inventor
政則 伊藤
友寿 松井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of JPWO2022145048A1 publication Critical patent/JPWO2022145048A1/ja
Publication of JPWO2022145048A5 publication Critical patent/JPWO2022145048A5/ja
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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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • 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
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/026—Lubricant separation
    • 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
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/023—Lubricant distribution through a hollow driving shaft

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
JP2022572873A 2021-01-04 2021-01-04 圧縮機およびそれを備えた冷凍サイクル装置 Active JP7378646B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/000007 WO2022145048A1 (ja) 2021-01-04 2021-01-04 圧縮機およびそれを備えた冷凍サイクル装置

Publications (3)

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JPWO2022145048A1 JPWO2022145048A1 (https=) 2022-07-07
JPWO2022145048A5 JPWO2022145048A5 (https=) 2023-06-19
JP7378646B2 true JP7378646B2 (ja) 2023-11-13

Family

ID=82259173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022572873A Active JP7378646B2 (ja) 2021-01-04 2021-01-04 圧縮機およびそれを備えた冷凍サイクル装置

Country Status (3)

Country Link
JP (1) JP7378646B2 (https=)
DE (1) DE112021006754T5 (https=)
WO (1) WO2022145048A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003139420A (ja) 2001-10-31 2003-05-14 Daikin Ind Ltd 冷凍装置
WO2019102673A1 (ja) 2017-11-27 2019-05-31 三菱電機株式会社 圧縮機および冷凍サイクル装置
WO2020157792A1 (ja) 2019-01-28 2020-08-06 三菱電機株式会社 スクロール圧縮機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009074485A (ja) * 2007-09-21 2009-04-09 Mitsubishi Electric Corp スクロール圧縮機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003139420A (ja) 2001-10-31 2003-05-14 Daikin Ind Ltd 冷凍装置
WO2019102673A1 (ja) 2017-11-27 2019-05-31 三菱電機株式会社 圧縮機および冷凍サイクル装置
WO2020157792A1 (ja) 2019-01-28 2020-08-06 三菱電機株式会社 スクロール圧縮機

Also Published As

Publication number Publication date
DE112021006754T5 (de) 2023-12-07
JPWO2022145048A1 (https=) 2022-07-07
WO2022145048A1 (ja) 2022-07-07

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