EP4484752A4 - Schraubenverdichter und gefriergerät - Google Patents

Schraubenverdichter und gefriergerät

Info

Publication number
EP4484752A4
EP4484752A4 EP23775051.8A EP23775051A EP4484752A4 EP 4484752 A4 EP4484752 A4 EP 4484752A4 EP 23775051 A EP23775051 A EP 23775051A EP 4484752 A4 EP4484752 A4 EP 4484752A4
Authority
EP
European Patent Office
Prior art keywords
freezer
screw compressor
compressor
screw
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
EP23775051.8A
Other languages
English (en)
French (fr)
Other versions
EP4484752A1 (de
Inventor
Yoshiyuki Uemura
Takashi Inoue
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4484752A1 publication Critical patent/EP4484752A1/de
Publication of EP4484752A4 publication Critical patent/EP4484752A4/de
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
    • F04C18/48—Rotary-piston pumps with non-parallel axes of movement of co-operating members
    • F04C18/50—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees
    • F04C18/52—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • 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
    • F04C18/48—Rotary-piston pumps with non-parallel axes of movement of co-operating members
    • F04C18/54—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees
    • F04C18/56—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged otherwise than at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/001—Radial sealings for working fluid
    • 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • F04C27/006—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps, e.g. gear 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
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP23775051.8A 2022-03-23 2023-03-23 Schraubenverdichter und gefriergerät Pending EP4484752A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022047041 2022-03-23
PCT/JP2023/011627 WO2023182457A1 (ja) 2022-03-23 2023-03-23 スクリュー圧縮機、および冷凍装置

Publications (2)

Publication Number Publication Date
EP4484752A1 EP4484752A1 (de) 2025-01-01
EP4484752A4 true EP4484752A4 (de) 2025-05-28

Family

ID=88101680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23775051.8A Pending EP4484752A4 (de) 2022-03-23 2023-03-23 Schraubenverdichter und gefriergerät

Country Status (5)

Country Link
US (1) US20250012278A1 (de)
EP (1) EP4484752A4 (de)
JP (1) JP7648924B2 (de)
CN (1) CN119053786A (de)
WO (1) WO2023182457A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180565A (en) * 1962-05-08 1965-04-27 Zimmern Bernard Worm rotary compressors with liquid joints
EP2236831A1 (de) * 2007-12-20 2010-10-06 Daikin Industries, Ltd. Schraubenverdichter
WO2021200858A1 (ja) * 2020-03-31 2021-10-07 ダイキン工業株式会社 スクリュー圧縮機及び冷凍装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003286986A (ja) * 2002-03-27 2003-10-10 Mitsubishi Electric Corp シングルスクリュー圧縮機
CN101925745B (zh) 2008-01-23 2013-04-10 大金工业株式会社 螺杆压缩机
JP5207822B2 (ja) * 2008-05-14 2013-06-12 三菱電機株式会社 スクリュー圧縮機
JP5178612B2 (ja) * 2009-04-16 2013-04-10 三菱電機株式会社 スクリュー圧縮機
JP5334659B2 (ja) * 2009-04-16 2013-11-06 三菱電機株式会社 スクリュー圧縮機
JP5178613B2 (ja) * 2009-04-16 2013-04-10 三菱電機株式会社 スクリュー圧縮機
CA3014822C (en) * 2010-08-30 2020-06-16 Hicor Technologies, Inc. Compressor with liquid injection cooling
US11739844B2 (en) * 2016-09-14 2023-08-29 Eagle Industry Co., Ltd. Mechanical seal
US11867180B2 (en) * 2019-03-22 2024-01-09 Copeland Industrial Lp Seal assembly for high pressure single screw compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180565A (en) * 1962-05-08 1965-04-27 Zimmern Bernard Worm rotary compressors with liquid joints
EP2236831A1 (de) * 2007-12-20 2010-10-06 Daikin Industries, Ltd. Schraubenverdichter
WO2021200858A1 (ja) * 2020-03-31 2021-10-07 ダイキン工業株式会社 スクリュー圧縮機及び冷凍装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023182457A1 *

Also Published As

Publication number Publication date
JP7648924B2 (ja) 2025-03-19
US20250012278A1 (en) 2025-01-09
EP4484752A1 (de) 2025-01-01
JP2023143865A (ja) 2023-10-06
WO2023182457A1 (ja) 2023-09-28
CN119053786A (zh) 2024-11-29

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