EP3951284A4 - REFRIGERATION CIRCUIT DEVICE - Google Patents

REFRIGERATION CIRCUIT DEVICE Download PDF

Info

Publication number: EP3951284A4
Authority: EP; European Patent Office
Prior art keywords: circuit device; refrigeration circuit; refrigeration; circuit
Prior art date: 2019-04-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP19923242.2A

Other languages

German (de)

French (fr)

Other versions

EP3951284A1 (en

Inventor

Komei NAKAJIMA

Naoki Wakuta

Yusuke Tashiro

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

Original Assignee

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.)

2019-04-05

Filing date

2019-04-05

Publication date

2022-04-06

2019-04-05 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2022-02-09 Publication of EP3951284A1 publication Critical patent/EP3951284A1/en

2022-04-06 Publication of EP3951284A4 publication Critical patent/EP3951284A4/en

Status Withdrawn legal-status Critical Current

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
- F25B40/00—Subcoolers, desuperheaters or superheaters
- 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
- F25B41/30—Expansion means; Dispositions thereof
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0405—Refrigeration circuit bypassing means for the desuperheater
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0417—Refrigeration circuit bypassing means for the subcooler
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0419—Refrigeration circuit bypassing means for the superheater
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
- 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
- F25B2600/2507—Flow-diverting 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Air Conditioning Control Device (AREA)

EP19923242.2A 2019-04-05 2019-04-05 REFRIGERATION CIRCUIT DEVICE Withdrawn EP3951284A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2019/015142 WO2020202553A1 (en)	2019-04-05	2019-04-05	Refrigeration cycle apparatus

Publications (2)

Publication Number	Publication Date
EP3951284A1 EP3951284A1 (en)	2022-02-09
EP3951284A4 true EP3951284A4 (en)	2022-04-06

Family

ID=72667324

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19923242.2A Withdrawn EP3951284A4 (en)	2019-04-05	2019-04-05	REFRIGERATION CIRCUIT DEVICE

Country Status (5)

Country	Link
US (1)	US20220136741A1 (en)
EP (1)	EP3951284A4 (en)
JP (1)	JP7524161B2 (en)
CN (1)	CN113646593B (en)
WO (1)	WO2020202553A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2022185427A1 (en) *	2021-03-03	2022-09-09	三菱電機株式会社	Refrigeration cycle device
WO2024079852A1 (en) *	2022-10-13	2024-04-18	三菱電機株式会社	Refrigeration cycle device
EP4397923A1 (en)	2023-01-09	2024-07-10	Viessmann Climate Solutions SE	Heat pump and method for operating a heat pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1215449A1 (en) *	1999-09-24	2002-06-19	Sanyo Electric Co., Ltd.	Multi-stage compression refrigerating device
EP1647783A2 (en) *	2004-10-18	2006-04-19	Mitsubishi Denki Kabushiki Kaisha	Refrigeration/air conditioning equipment
WO2009096442A1 (en) *	2008-01-30	2009-08-06	Calsonic Kansei Corporation	Supercritical refrigeration cycle
US20090282861A1 (en) *	2005-09-22	2009-11-19	Daikin Industries, Ltd.	Air conditioning apparatus

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6058145B2 (en)	1982-12-03	1985-12-18	株式会社東芝	card integration device
JPH03271659A (en) *	1990-03-19	1991-12-03	Matsushita Refrig Co Ltd	Multi-room air conditioner
JP3242217B2 (en) *	1993-07-09	2001-12-25	東芝キヤリア株式会社	Air conditioner
JPH09152195A (en) *	1995-11-28	1997-06-10	Sanyo Electric Co Ltd	Refrigerating apparatus
JPH10332212A (en) *	1997-06-02	1998-12-15	Toshiba Corp	Refrigeration cycle of air conditioner
JP2001235239A (en) *	2000-02-23	2001-08-31	Seiko Seiki Co Ltd	Supercritical vapor compressing cycle system
JP4407012B2 (en)	2000-06-06	2010-02-03	ダイキン工業株式会社	Refrigeration equipment
JP4884365B2 (en) *	2007-12-28	2012-02-29	三菱電機株式会社	Refrigeration air conditioner, refrigeration air conditioner outdoor unit, and refrigeration air conditioner control device
JP5627417B2 (en) *	2010-11-26	2014-11-19	三菱電機株式会社	Dual refrigeration equipment
WO2013160929A1 (en) *	2012-04-23	2013-10-31	三菱電機株式会社	Refrigeration cycle system
US10107514B2 (en)	2013-08-28	2018-10-23	Mitsubishi Electric Corporation	Air-conditioning apparatus including multiple expansion devices
WO2015029220A1 (en) *	2013-08-30	2015-03-05	三菱電機株式会社	Air conditioner
JP6379769B2 (en) *	2014-07-14	2018-08-29	株式会社富士通ゼネラル	Air conditioner
CN108332285B (en) *	2017-12-29	2019-12-06	青岛海尔空调器有限总公司	air conditioner system

2019
- 2019-04-05 WO PCT/JP2019/015142 patent/WO2020202553A1/en not_active Ceased
- 2019-04-05 US US17/432,543 patent/US20220136741A1/en not_active Abandoned
- 2019-04-05 EP EP19923242.2A patent/EP3951284A4/en not_active Withdrawn
- 2019-04-05 CN CN201980094987.9A patent/CN113646593B/en active Active
- 2019-04-05 JP JP2021511055A patent/JP7524161B2/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1215449A1 (en) *	1999-09-24	2002-06-19	Sanyo Electric Co., Ltd.	Multi-stage compression refrigerating device
EP1647783A2 (en) *	2004-10-18	2006-04-19	Mitsubishi Denki Kabushiki Kaisha	Refrigeration/air conditioning equipment
US20090282861A1 (en) *	2005-09-22	2009-11-19	Daikin Industries, Ltd.	Air conditioning apparatus
WO2009096442A1 (en) *	2008-01-30	2009-08-06	Calsonic Kansei Corporation	Supercritical refrigeration cycle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020202553A1 *

Also Published As

Publication number	Publication date
WO2020202553A1 (en)	2020-10-08
EP3951284A1 (en)	2022-02-09
CN113646593B (en)	2022-11-15
JP7524161B2 (en)	2024-07-29
CN113646593A (en)	2021-11-12
JPWO2020202553A1 (en)	2020-10-08
US20220136741A1 (en)	2022-05-05

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EP3730571A4 (en)	2021-10-06	REFRIGERATION CIRCUIT DEVICE
EP3745051A4 (en)	2021-03-24	REFRIGERATION CIRCUIT DEVICE
EP4155629A4 (en)	2023-06-21	REFRIGERATION CIRCUIT DEVICE
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EP3982063A4 (en)	2022-06-08	REFRIGERATION CIRCUIT DEVICE
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EP3627067A4 (en)	2020-05-06	REFRIGERATION CIRCUIT
EP3643977A4 (en)	2020-07-01	REFRIGERATION CIRCUIT
EP4163574A4 (en)	2023-07-05	REFRIGERATION CIRCUIT DEVICE
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EP3978828A4 (en)	2022-06-15	REFRIGERATION CIRCUIT DEVICE
EP3951284A4 (en)	2022-04-06	REFRIGERATION CIRCUIT DEVICE
EP3643979A4 (en)	2020-07-15	REFRIGERATION CIRCUIT
EP3951283A4 (en)	2022-04-06	REFRIGERATION CIRCUIT DEVICE
EP3951287A4 (en)	2022-03-30	REFRIGERATION CIRCUIT DEVICE
EP3985329A4 (en)	2022-08-10	REFRIGERATION CIRCUIT SYSTEM

Legal Events

Date	Code	Title	Description
2020-10-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-01-07	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
2022-01-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-02-09	17P	Request for examination filed	Effective date: 20210928
2022-02-09	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
2022-04-06	A4	Supplementary search report drawn up and despatched	Effective date: 20220307
2022-04-06	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 41/30 20210101ALI20220301BHEP Ipc: F25B 41/20 20210101ALI20220301BHEP Ipc: F25B 49/02 20060101ALI20220301BHEP Ipc: F25B 13/00 20060101ALI20220301BHEP Ipc: F25B 1/00 20060101AFI20220301BHEP
2022-07-13	DAV	Request for validation of the european patent (deleted)
2022-07-13	DAX	Request for extension of the european patent (deleted)
2024-06-19	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2024-06-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2024-07-17	INTG	Intention to grant announced	Effective date: 20240620
2025-02-14	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
2025-03-19	18D	Application deemed to be withdrawn	Effective date: 20241022