EP4474651A4 - Rotationsverdichter und kühlvorrichtung - Google Patents

Rotationsverdichter und kühlvorrichtung

Info

Publication number: EP4474651A4
Authority: EP; European Patent Office
Prior art keywords: cooling device; rotary compressor; compressor; rotary; cooling
Prior art date: 2022-03-22
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.): Granted

Application number

EP23774514.6A

Other languages

English (en)

French (fr)

Other versions

EP4474651B1 (de

EP4474651A1 (de

Inventor

Akira HIMEDA

Yasuo Mizushima

Takeshi Endo

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.)

2022-03-22

Filing date

2023-03-07

Publication date

2025-05-07

2023-03-07 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2024-12-11 Publication of EP4474651A1 publication Critical patent/EP4474651A1/de

2025-05-07 Publication of EP4474651A4 publication Critical patent/EP4474651A4/de

2026-03-25 Application granted granted Critical

2026-03-25 Publication of EP4474651B1 publication Critical patent/EP4474651B1/de

Status Active legal-status Critical Current

2043-03-07 Anticipated expiration legal-status Critical

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- 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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped 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
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F25B31/006—Cooling of compressor or motor
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Compressor (AREA)
Rotary Pumps (AREA)

EP23774514.6A 2022-03-22 2023-03-07 Rotationsverdichter und kühlvorrichtung Active EP4474651B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2022045283		2022-03-22
PCT/JP2023/008585 WO2023181915A1 (ja)	2022-03-22	2023-03-07	回転式圧縮機及び冷凍装置

Publications (3)

Publication Number	Publication Date
EP4474651A1 EP4474651A1 (de)	2024-12-11
EP4474651A4 true EP4474651A4 (de)	2025-05-07
EP4474651B1 EP4474651B1 (de)	2026-03-25

Family

ID=88100773

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP23774514.6A Active EP4474651B1 (de)	2022-03-22	2023-03-07	Rotationsverdichter und kühlvorrichtung

Country Status (5)

Country	Link
US (1)	US20250012492A1 (de)
EP (1)	EP4474651B1 (de)
JP (2)	JP7425380B2 (de)
CN (1)	CN118715374A (de)
WO (1)	WO2023181915A1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57212389A (en) *	1981-06-22	1982-12-27	Hitachi Ltd	Enclosed scroll compressor
JPS60162084A (ja) *	1984-01-31	1985-08-23	Matsushita Electric Ind Co Ltd	回転圧縮機の油分離装置
JPH07189940A (ja) *	1993-12-28	1995-07-28	Matsushita Electric Ind Co Ltd	密閉型スクロール圧縮機
JPH1089277A (ja) *	1996-09-17	1998-04-07	Daikin Ind Ltd	圧縮機
JP2001329978A (ja) *	2000-05-22	2001-11-30	Hitachi Ltd	スクロール圧縮機
JP2008190329A (ja) *	2007-01-31	2008-08-21	Daikin Ind Ltd	密閉型圧縮機
JP5120387B2 (ja) *	2010-01-20	2013-01-16	ダイキン工業株式会社	圧縮機
JP2021063453A (ja) *	2019-10-11	2021-04-22	ダイキン工業株式会社	圧縮機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4261999B2 (ja) *	2003-06-27	2009-05-13	東芝キヤリア株式会社	横形密閉圧縮機
JP5429319B2 (ja)	2012-03-30	2014-02-26	ダイキン工業株式会社	圧縮機

2023
- 2023-03-07 WO PCT/JP2023/008585 patent/WO2023181915A1/ja not_active Ceased
- 2023-03-07 CN CN202380020980.9A patent/CN118715374A/zh active Pending
- 2023-03-07 EP EP23774514.6A patent/EP4474651B1/de active Active
- 2023-03-07 JP JP2023034355A patent/JP7425380B2/ja active Active
- 2023-11-14 JP JP2023193738A patent/JP2024012590A/ja active Pending
2024
- 2024-09-17 US US18/887,900 patent/US20250012492A1/en not_active Abandoned

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57212389A (en) *	1981-06-22	1982-12-27	Hitachi Ltd	Enclosed scroll compressor
JPS60162084A (ja) *	1984-01-31	1985-08-23	Matsushita Electric Ind Co Ltd	回転圧縮機の油分離装置
JPH07189940A (ja) *	1993-12-28	1995-07-28	Matsushita Electric Ind Co Ltd	密閉型スクロール圧縮機
JPH1089277A (ja) *	1996-09-17	1998-04-07	Daikin Ind Ltd	圧縮機
JP2001329978A (ja) *	2000-05-22	2001-11-30	Hitachi Ltd	スクロール圧縮機
JP2008190329A (ja) *	2007-01-31	2008-08-21	Daikin Ind Ltd	密閉型圧縮機
JP5120387B2 (ja) *	2010-01-20	2013-01-16	ダイキン工業株式会社	圧縮機
JP2021063453A (ja) *	2019-10-11	2021-04-22	ダイキン工業株式会社	圧縮機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023181915A1 *

Also Published As

Publication number	Publication date
CN118715374A (zh)	2024-09-27
US20250012492A1 (en)	2025-01-09
JP2023140305A (ja)	2023-10-04
EP4474651B1 (de)	2026-03-25
WO2023181915A1 (ja)	2023-09-28
JP2024012590A (ja)	2024-01-30
EP4474651A1 (de)	2024-12-11
JP7425380B2 (ja)	2024-01-31

Legal Events

Date	Code	Title	Description
2023-09-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2024-11-08	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2024-11-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2024-12-11	17P	Request for examination filed	Effective date: 20240904
2024-12-11	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
2025-02-12	P01	Opt-out of the competence of the unified patent court (upc) registered	Free format text: CASE NUMBER: APP_930/2025 Effective date: 20250108
2025-05-07	A4	Supplementary search report drawn up and despatched	Effective date: 20250407
2025-05-07	RIC1	Information provided on ipc code assigned before grant	Ipc: F04C 29/04 20060101ALI20250401BHEP Ipc: F04C 23/00 20060101ALI20250401BHEP Ipc: F04C 18/02 20060101ALI20250401BHEP Ipc: F04B 39/02 20060101ALI20250401BHEP Ipc: F04C 29/02 20060101AFI20250401BHEP
2025-06-25	DAV	Request for validation of the european patent (deleted)
2025-06-25	DAX	Request for extension of the european patent (deleted)
2025-11-23	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2025-11-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2025-12-24	INTG	Intention to grant announced	Effective date: 20251124
2026-02-17	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2026-02-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2026-02-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE PATENT HAS BEEN GRANTED
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