EP4206565A4 - Kältekreislaufvorrichtung - Google Patents

Kältekreislaufvorrichtung Download PDF

Info

Publication number: EP4206565A4
Authority: EP; European Patent Office
Prior art keywords: refrigeration cycle; cycle device; refrigeration; cycle
Prior art date: 2020-08-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP21861156.4A

Other languages

English (en)

French (fr)

Other versions

EP4206565A1 (de

Inventor

Hirofumi Hirano

Takuto SETOYAMA

Kazuki Suda

Shohei NAKATA

Masahiro Kondo

Ryo Takaoka

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.)

Fujitsu General Ltd

Original Assignee

Fujitsu General 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.)

2020-08-31

Filing date

2021-08-03

Publication date

2024-09-18

2021-08-03 Application filed by Fujitsu General Ltd filed Critical Fujitsu General Ltd

2023-07-05 Publication of EP4206565A1 publication Critical patent/EP4206565A1/de

2024-09-18 Publication of EP4206565A4 publication Critical patent/EP4206565A4/de

Status Withdrawn legal-status Critical Current

Links

Classifications

- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
- 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
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/02—Subcoolers
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
- 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
- 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
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0409—Refrigeration circuit bypassing means for evaporators
- 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
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/12—Inflammable refrigerants
- 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
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/23—Separators
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/027—Compressor control by controlling pressure
- F25B2600/0271—Compressor control by controlling pressure the discharge pressure
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Power Engineering (AREA)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

EP21861156.4A 2020-08-31 2021-08-03 Kältekreislaufvorrichtung Withdrawn EP4206565A4 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2020146193A JP7092169B2 (ja)	2020-08-31	2020-08-31	冷凍サイクル装置
PCT/JP2021/028830 WO2022044728A1 (ja)	2020-08-31	2021-08-03	冷凍サイクル装置

Publications (2)

Publication Number	Publication Date
EP4206565A1 EP4206565A1 (de)	2023-07-05
EP4206565A4 true EP4206565A4 (de)	2024-09-18

Family

ID=80352275

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21861156.4A Withdrawn EP4206565A4 (de)	2020-08-31	2021-08-03	Kältekreislaufvorrichtung

Country Status (6)

Country	Link
US (1)	US20230296299A1 (de)
EP (1)	EP4206565A4 (de)
JP (1)	JP7092169B2 (de)
CN (1)	CN115956184A (de)
AU (1)	AU2021332451A1 (de)
WO (1)	WO2022044728A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7104260B1 (ja)	2022-03-16	2022-07-20	株式会社フジクラ	半導体パッケージおよび高周波モジュール
WO2024009348A1 (ja) *	2022-07-04	2024-01-11	三菱電機株式会社	冷凍サイクル装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2002286315A (ja) *	2001-03-26	2002-10-03	Mitsubishi Electric Corp	空気調和機の冷媒回路
JP2016114290A (ja) *	2014-12-15	2016-06-23	ジョンソンコントロールズヒタチエアコンディショニングテクノロジー（ホンコン）リミテッド	冷熱機器の冷媒変更方法及び冷熱機器
JP2016194377A (ja) *	2015-03-31	2016-11-17	三菱重工業株式会社	冷媒循環装置、冷媒循環方法、冷媒充填方法および冷媒循環装置の運転方法
CN207006616U (zh) *	2017-06-08	2018-02-13	青岛海尔特种电器有限公司	一种采用碳氢制冷剂的超低温制冷装置
EP3553416A1 (de) *	2016-12-09	2019-10-16	Daikin Industries, Ltd.	Wärmetransortvorrichtung und wärmetransportverfahren mit verwendung davon

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US4029580A (en) *	1976-10-05	1977-06-14	Sporlan Valve Company	Bidirectional flow filter-drier
US4125469A (en) *	1977-06-15	1978-11-14	Emerson Electric Co.	Bi-directional filter drier
JP2653334B2 (ja) *	1993-01-26	1997-09-17	株式会社日立製作所	圧縮式冷凍機
JPH074754A (ja) *	1993-06-17	1995-01-10	Sanyo Electric Co Ltd	冷凍装置
US5390503A (en) *	1993-11-10	1995-02-21	Cheng; Jung-Yuan	Recovery and recycling system for refrigerant
US5617731A (en) *	1995-04-19	1997-04-08	Mainstream Engineering Corporation	Refrigerant recovery/recycling system
JP3644077B2 (ja) *	1995-07-18	2005-04-27	株式会社デンソー	冷凍サイクル
US5619865A (en) *	1995-08-22	1997-04-15	Maxwell; Ronal J.	Refrigeration subcooler
US20040177644A1 (en) *	2002-01-08	2004-09-16	Masterson James A.	Method and apparatus for separating and neutralizing ammonia
US7497091B2 (en) *	2003-04-02	2009-03-03	Daikin Industries, Ltd.	Refrigeration device
JP4007307B2 (ja) *	2003-10-22	2007-11-14	ダイキン工業株式会社	冷凍装置の施工方法
JP4292175B2 (ja) *	2005-09-01	2009-07-08	株式会社ニシヤマ	冷却装置
JP4734161B2 (ja) *	2006-04-19	2011-07-27	日立アプライアンス株式会社	冷凍サイクル装置及び空気調和機
JP4722963B2 (ja)	2008-05-26	2011-07-13	日立アプライアンス株式会社	冷凍機
WO2009157325A1 (ja) *	2008-06-24	2009-12-30	三菱電機株式会社	冷凍サイクル装置及び空気調和装置
JP4569708B2 (ja)	2008-12-05	2010-10-27	ダイキン工業株式会社	冷凍装置
JP2011226729A (ja) *	2010-04-22	2011-11-10	Panasonic Corp	冷凍装置
WO2013160929A1 (ja)	2012-04-23	2013-10-31	三菱電機株式会社	冷凍サイクルシステム
JP6490237B2 (ja)	2015-11-30	2019-03-27	三菱電機株式会社	冷媒量管理装置及び冷媒量管理システム
WO2017199382A1 (ja)	2016-05-18	2017-11-23	三菱電機株式会社	冷凍装置
JP2019027645A (ja)	2017-07-27	2019-02-21	株式会社ガスター	暖房システム
JP6545338B1 (ja)	2018-08-31	2019-07-17	日立ジョンソンコントロールズ空調株式会社	冷凍サイクル装置
EP3730587B1 (de) *	2019-04-26	2021-12-08	Weiss Technik GmbH	Kältemittel

2020
- 2020-08-31 JP JP2020146193A patent/JP7092169B2/ja active Active
2021
- 2021-08-03 WO PCT/JP2021/028830 patent/WO2022044728A1/ja not_active Ceased
- 2021-08-03 EP EP21861156.4A patent/EP4206565A4/de not_active Withdrawn
- 2021-08-03 AU AU2021332451A patent/AU2021332451A1/en not_active Abandoned
- 2021-08-03 CN CN202180050450.XA patent/CN115956184A/zh not_active Withdrawn
- 2021-08-03 US US18/020,364 patent/US20230296299A1/en not_active Abandoned

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2002286315A (ja) *	2001-03-26	2002-10-03	Mitsubishi Electric Corp	空気調和機の冷媒回路
JP2016114290A (ja) *	2014-12-15	2016-06-23	ジョンソンコントロールズヒタチエアコンディショニングテクノロジー（ホンコン）リミテッド	冷熱機器の冷媒変更方法及び冷熱機器
JP2016194377A (ja) *	2015-03-31	2016-11-17	三菱重工業株式会社	冷媒循環装置、冷媒循環方法、冷媒充填方法および冷媒循環装置の運転方法
EP3553416A1 (de) *	2016-12-09	2019-10-16	Daikin Industries, Ltd.	Wärmetransortvorrichtung und wärmetransportverfahren mit verwendung davon
CN207006616U (zh) *	2017-06-08	2018-02-13	青岛海尔特种电器有限公司	一种采用碳氢制冷剂的超低温制冷装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022044728A1 *

Also Published As

Publication number	Publication date
EP4206565A1 (de)	2023-07-05
US20230296299A1 (en)	2023-09-21
CN115956184A (zh)	2023-04-11
JP7092169B2 (ja)	2022-06-28
JP2022041146A (ja)	2022-03-11
AU2021332451A1 (en)	2023-03-23
WO2022044728A1 (ja)	2022-03-03

Legal Events

Date	Code	Title	Description
2022-03-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2023-06-02	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
2023-06-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2023-07-05	17P	Request for examination filed	Effective date: 20230221
2023-07-05	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 MK MT NL NO PL PT RO RS SE SI SK SM TR
2023-12-06	DAV	Request for validation of the european patent (deleted)
2023-12-06	DAX	Request for extension of the european patent (deleted)
2024-09-18	A4	Supplementary search report drawn up and despatched	Effective date: 20240821
2024-09-18	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 41/26 20210101ALI20240814BHEP Ipc: F25B 1/00 20060101ALI20240814BHEP Ipc: F25B 43/00 20060101AFI20240814BHEP
2025-06-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2025-07-30	18D	Application deemed to be withdrawn	Effective date: 20250311

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