EP4130478A4 - Rotary compressor - Google Patents

Rotary compressor Download PDF

Info

Publication number
EP4130478A4
EP4130478A4 EP21781413.6A EP21781413A EP4130478A4 EP 4130478 A4 EP4130478 A4 EP 4130478A4 EP 21781413 A EP21781413 A EP 21781413A EP 4130478 A4 EP4130478 A4 EP 4130478A4
Authority
EP
European Patent Office
Prior art keywords
rotary compressor
compressor
rotary
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.)
Pending
Application number
EP21781413.6A
Other languages
German (de)
French (fr)
Other versions
EP4130478A1 (en
Inventor
Yoshiyuki Okada
Takuma YAMASHITA
Risako KOBA
Mikito SASAKI
Masahiro Nii
Makoto Ogawa
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 Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems Ltd
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.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP4130478A1 publication Critical patent/EP4130478A1/en
Publication of EP4130478A4 publication Critical patent/EP4130478A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/02—Arrangements of bearings
    • 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
    • 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
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/0085—Prime movers
    • 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
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP21781413.6A 2020-04-01 2021-04-01 Rotary compressor Pending EP4130478A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020065992A JP7381386B2 (en) 2020-04-01 2020-04-01 rotary compressor
PCT/JP2021/014156 WO2021201223A1 (en) 2020-04-01 2021-04-01 Rotary compressor

Publications (2)

Publication Number Publication Date
EP4130478A1 EP4130478A1 (en) 2023-02-08
EP4130478A4 true EP4130478A4 (en) 2023-08-30

Family

ID=77927326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21781413.6A Pending EP4130478A4 (en) 2020-04-01 2021-04-01 Rotary compressor

Country Status (3)

Country Link
EP (1) EP4130478A4 (en)
JP (1) JP7381386B2 (en)
WO (1) WO2021201223A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060153705A1 (en) * 2004-11-10 2006-07-13 Horton W T Drive shaft for compressor
US8179016B2 (en) * 2006-09-19 2012-05-15 Daikin Industries, Ltd. Motor and compressor
CN104564685A (en) * 2015-01-06 2015-04-29 广东美芝制冷设备有限公司 Rotary compressor and refrigerating device provided with same
EP2894333A1 (en) * 2012-06-29 2015-07-15 Valeo Japan Co., Ltd. Motor compressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6469793A (en) * 1987-09-11 1989-03-15 Hitachi Ltd Enclosed type motor-driven compressor
CN101107762B (en) * 2005-01-19 2011-01-12 大金工业株式会社 Rotor, axial gap type motor, driving method of motor, compressor
JP4835384B2 (en) 2006-10-26 2011-12-14 ダイキン工業株式会社 Compressor
JP5963436B2 (en) * 2011-12-21 2016-08-03 株式会社ヴァレオジャパン Electric compressor
CN104638866A (en) * 2013-11-15 2015-05-20 珠海格力节能环保制冷技术研究中心有限公司 Motor and compressor with same
JP6469793B1 (en) 2017-09-19 2019-02-13 京楽産業．株式会社 Game machine
JP2020065992A (en) 2018-10-26 2020-04-30 臼井国際産業株式会社 Gas dissolution device and algae culturing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060153705A1 (en) * 2004-11-10 2006-07-13 Horton W T Drive shaft for compressor
US8179016B2 (en) * 2006-09-19 2012-05-15 Daikin Industries, Ltd. Motor and compressor
EP2894333A1 (en) * 2012-06-29 2015-07-15 Valeo Japan Co., Ltd. Motor compressor
CN104564685A (en) * 2015-01-06 2015-04-29 广东美芝制冷设备有限公司 Rotary compressor and refrigerating device provided with same

Also Published As

Publication number Publication date
JP7381386B2 (en) 2023-11-15
JP2021161989A (en) 2021-10-11
WO2021201223A1 (en) 2021-10-07
EP4130478A1 (en) 2023-02-08

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RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 29/00 20060101ALI20230724BHEP

Ipc: F04C 23/02 20060101AFI20230724BHEP