EP4361525A4 - Air conditioner - Google Patents

Air conditioner Download PDF

Info

Publication number: EP4361525A4
Authority: EP; European Patent Office
Prior art keywords: air conditioner; conditioner; air
Prior art date: 2021-06-22
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP21947037.4A

Other languages

German (de)

French (fr)

Other versions

EP4361525A1 (en

Inventor

Ryuichi Nagata

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.)

2021-06-22

Filing date

2021-06-22

Publication date

2024-08-14

2021-06-22 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2024-05-01 Publication of EP4361525A1 publication Critical patent/EP4361525A1/en

2024-08-14 Publication of EP4361525A4 publication Critical patent/EP4361525A4/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Status Withdrawn legal-status Critical Current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
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
- F25B41/45—Arrangements for diverging or converging flows, e.g. branch lines or junctions for flow control on the upstream side of the diverging point, e.g. with spiral structure for generating turbulence
- 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
- 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
- F25B2400/13—Economisers
- 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
- F25B2400/23—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
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
- 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
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor

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)

EP21947037.4A 2021-06-22 2021-06-22 Air conditioner Withdrawn EP4361525A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2021/023582 WO2022269750A1 (en)	2021-06-22	2021-06-22	Air conditioner

Publications (2)

Publication Number	Publication Date
EP4361525A1 EP4361525A1 (en)	2024-05-01
EP4361525A4 true EP4361525A4 (en)	2024-08-14

Family

ID=84545308

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21947037.4A Withdrawn EP4361525A4 (en)	2021-06-22	2021-06-22	Air conditioner

Country Status (5)

Country	Link
US (1)	US20240255199A1 (en)
EP (1)	EP4361525A4 (en)
JP (1)	JPWO2022269750A1 (en)
CN (1)	CN117480347A (en)
WO (1)	WO2022269750A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0211886A (en) *	1988-06-29	1990-01-16	Toshiba Corp	Refrigerating cycle device
EP3115714A1 (en) *	2014-03-07	2017-01-11	Mitsubishi Electric Corporation	Air conditioning device
EP3598029A1 (en) *	2017-03-13	2020-01-22	LG Electronics Inc. -1-	Air conditioner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2007218566A (en) *	2006-02-20	2007-08-30	Daikin Ind Ltd	Internal grooved tube, manufacturing method thereof, and grooved plug
JP5895125B2 (en) *	2012-01-20	2016-03-30	パナソニックＩｐマネジメント株式会社	Heat pump equipment
JP6368396B2 (en) *	2017-04-10	2018-08-01	株式会社神戸製鋼所	Hydrogen gas cooling method and hydrogen gas cooling system
JP7033967B2 (en)	2018-03-16	2022-03-11	三菱電機株式会社	Refrigeration cycle device

2021
- 2021-06-22 US US18/564,167 patent/US20240255199A1/en active Pending
- 2021-06-22 CN CN202180099362.9A patent/CN117480347A/en active Pending
- 2021-06-22 WO PCT/JP2021/023582 patent/WO2022269750A1/en active Application Filing
- 2021-06-22 EP EP21947037.4A patent/EP4361525A4/en not_active Withdrawn
- 2021-06-22 JP JP2023529270A patent/JPWO2022269750A1/ja active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0211886A (en) *	1988-06-29	1990-01-16	Toshiba Corp	Refrigerating cycle device
EP3115714A1 (en) *	2014-03-07	2017-01-11	Mitsubishi Electric Corporation	Air conditioning device
EP3598029A1 (en) *	2017-03-13	2020-01-22	LG Electronics Inc. -1-	Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022269750A1 *

Also Published As

Publication number	Publication date
CN117480347A (en)	2024-01-30
JPWO2022269750A1 (en)	2022-12-29
WO2022269750A1 (en)	2022-12-29
EP4361525A1 (en)	2024-05-01
US20240255199A1 (en)	2024-08-01

Publication	Publication Date	Title
EP4116635A4 (en)	2023-12-06	Air conditioner
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TWI800771B (en)	2023-05-01	Air conditioner
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EP3985476A4 (en)	2023-02-15	Air conditioner
EP4227594A4 (en)	2024-02-28	Air conditioner
EP3734168A4 (en)	2020-11-04	Air conditioner
EP4107454A4 (en)	2024-03-06	Air conditioner
EP3730850A4 (en)	2020-10-28	Air conditioner indoor unit
EP3919835A4 (en)	2022-01-19	Air conditioner
EP4067758A4 (en)	2023-12-27	Air conditioner
EP4023956A4 (en)	2022-10-19	Air conditioner
EP3978831A4 (en)	2022-08-03	Air conditioner
EP4206549A4 (en)	2024-04-03	Air conditioner
EP4227593A4 (en)	2024-02-28	Air conditioner
EP4226988A4 (en)	2024-03-20	Air conditioner
EP4191155A4 (en)	2024-03-27	Air conditioner
EP4286754A4 (en)	2024-07-10	Air conditioner
EP4215840A4 (en)	2024-05-01	Air conditioner
EP4141336A4 (en)	2023-05-31	Air conditioner
EP4116633A4 (en)	2023-12-06	Air conditioner
EP4095454A4 (en)	2022-12-28	Air conditioner
EP4317826A4 (en)	2024-06-19	Wall-mounted air conditioner
EP4083531A4 (en)	2024-01-17	Air conditioner
EP4033175A4 (en)	2022-10-26	Air conditioner

Legal Events

Date	Code	Title	Description
2022-12-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2024-03-29	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
2024-03-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2024-05-01	17P	Request for examination filed	Effective date: 20231205
2024-05-01	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
2024-08-14	A4	Supplementary search report drawn up and despatched	Effective date: 20240716
2024-08-14	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 41/42 20210101ALI20240710BHEP Ipc: F25B 1/00 20060101AFI20240710BHEP
2024-09-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2024-09-25	DAV	Request for validation of the european patent (deleted)
2024-09-25	DAX	Request for extension of the european patent (deleted)
2024-10-09	18W	Application withdrawn	Effective date: 20240830