EP3951287A4 - Refrigeration cycle device - Google Patents

Refrigeration cycle device Download PDF

Info

Publication number: EP3951287A4
Authority: EP; European Patent Office
Prior art keywords: refrigeration cycle; cycle device; refrigeration; cycle
Prior art date: 2019-03-28
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

EP19921695.3A

Other languages

German (de)

French (fr)

Other versions

EP3951287A1 (en

Inventor

Shin Nakamura

Tsuyoshi Maeda

Akira YATSUYANAGI

Atsushi Morita

Ryuichi Nagata

Shinya Higashiiue

Akira Ishibashi

Shigeyoshi MATSUI

Atsushi Takahashi

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.)

2019-03-28

Filing date

2019-03-28

Publication date

2022-03-30

2019-03-28 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2022-02-09 Publication of EP3951287A1 publication Critical patent/EP3951287A1/en

2022-03-30 Publication of EP3951287A4 publication Critical patent/EP3951287A4/en

Status Pending 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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
- 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
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0252—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units with bypasses
- 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
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0254—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in series 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
- 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
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Details Of Heat-Exchange And Heat-Transfer (AREA)

EP19921695.3A 2019-03-28 2019-03-28 Refrigeration cycle device Pending EP3951287A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2019/013654 WO2020194677A1 (en)	2019-03-28	2019-03-28	Refrigeration cycle device

Publications (2)

Publication Number	Publication Date
EP3951287A1 EP3951287A1 (en)	2022-02-09
EP3951287A4 true EP3951287A4 (en)	2022-03-30

Family

ID=72611228

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19921695.3A Pending EP3951287A4 (en)	2019-03-28	2019-03-28	Refrigeration cycle device

Country Status (5)

Country	Link
US (1)	US20220136740A1 (en)
EP (1)	EP3951287A4 (en)
JP (1)	JP7123238B2 (en)
CN (1)	CN113646597B (en)
WO (1)	WO2020194677A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4166868A1 (en) *	2021-10-15	2023-04-19	Carrier Corporation	Evaporator heat exchanger for preventing ice build-up

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1610076A2 (en) *	2004-06-24	2005-12-28	Samsung Electronics Co., Ltd.	Cooling cycle apparatus and method of operating the same
WO2018047416A1 (en) *	2016-09-12	2018-03-15	三菱電機株式会社	Air conditioner
WO2018047331A1 (en) *	2016-09-12	2018-03-15	三菱電機株式会社	Air conditioning device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000146311A (en) *	1990-10-04	2000-05-26	Denso Corp	Refrigerating device and heat exchanger
JP2543028Y2 (en)	1991-11-27	1997-08-06	株式会社クボタ	Oil cooler mounting structure
JPH08145535A (en) *	1994-11-22	1996-06-07	Sanyo Electric Co Ltd	Cooling apparatus
JPH09229496A (en) *	1996-02-23	1997-09-05	Hitachi Ltd	Air conditioner
JP2002372320A (en) *	2001-06-15	2002-12-26	Matsushita Electric Ind Co Ltd	Refrigerating device
CN2935020Y (en) *	2006-07-24	2007-08-15	比亚迪股份有限公司	Air conditioning system
JP2010133590A (en) *	2008-12-03	2010-06-17	Mitsubishi Electric Corp	Refrigerator-freezer
WO2013051177A1 (en) *	2011-10-03	2013-04-11	三菱電機株式会社	Outdoor machine, and air conditioner and hot water supply unit comprising said outdoor machine
JP5985418B2 (en) *	2013-03-04	2016-09-06	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	Refrigeration cycle apparatus, and refrigeration apparatus and air conditioner equipped with the refrigeration cycle apparatus
JP6022058B2 (en) *	2014-02-27	2016-11-09	三菱電機株式会社	Heat source side unit and refrigeration cycle apparatus
WO2016147305A1 (en) *	2015-03-16	2016-09-22	三菱電機株式会社	Air conditioning and hot water supply combined system
JP2016200292A (en) *	2015-04-07	2016-12-01	ダイキン工業株式会社	Heat exchanger
WO2016185568A1 (en) *	2015-05-19	2016-11-24	三菱電機株式会社	Refrigeration apparatus
JP6238935B2 (en) *	2015-07-08	2017-11-29	三菱電機株式会社	Refrigeration cycle equipment
WO2018002983A1 (en) *	2016-06-27	2018-01-04	三菱電機株式会社	Refrigeration cycle device
WO2018029817A1 (en) *	2016-08-10	2018-02-15	三菱電機株式会社	Refrigeration cycle device

2019
- 2019-03-28 EP EP19921695.3A patent/EP3951287A4/en active Pending
- 2019-03-28 CN CN201980094530.8A patent/CN113646597B/en active Active
- 2019-03-28 WO PCT/JP2019/013654 patent/WO2020194677A1/en unknown
- 2019-03-28 US US17/434,298 patent/US20220136740A1/en not_active Abandoned
- 2019-03-28 JP JP2021508609A patent/JP7123238B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1610076A2 (en) *	2004-06-24	2005-12-28	Samsung Electronics Co., Ltd.	Cooling cycle apparatus and method of operating the same
WO2018047416A1 (en) *	2016-09-12	2018-03-15	三菱電機株式会社	Air conditioner
WO2018047331A1 (en) *	2016-09-12	2018-03-15	三菱電機株式会社	Air conditioning device
US20190162454A1 (en) *	2016-09-12	2019-05-30	Mitsubishi Electric Corporation	Air-conditioning apparatus
EP3511651A1 (en) *	2016-09-12	2019-07-17	Mitsubishi Electric Corporation	Air conditioning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020194677A1 *

Also Published As

Publication number	Publication date
JPWO2020194677A1 (en)	2021-10-14
JP7123238B2 (en)	2022-08-22
CN113646597B (en)	2022-12-09
CN113646597A (en)	2021-11-12
WO2020194677A1 (en)	2020-10-01
EP3951287A1 (en)	2022-02-09
US20220136740A1 (en)	2022-05-05

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Legal Events

Date	Code	Title	Description
2020-10-02	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: 20210921
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
2022-03-30	A4	Supplementary search report drawn up and despatched	Effective date: 20220225
2022-03-30	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 47/00 20060101ALI20220221BHEP Ipc: F25B 41/385 20210101ALI20220221BHEP Ipc: F25B 13/00 20060101ALI20220221BHEP Ipc: F25B 6/04 20060101ALI20220221BHEP Ipc: F25B 1/00 20060101ALI20220221BHEP Ipc: F25B 39/02 20060101AFI20220221BHEP
2022-07-06	DAV	Request for validation of the european patent (deleted)
2022-07-06	DAX	Request for extension of the european patent (deleted)
2024-02-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2024-03-06	17Q	First examination report despatched	Effective date: 20240202