EP3875872A4 - Refrigeration cycle apparatus - Google Patents

Refrigeration cycle apparatus Download PDF

Info

Publication number: EP3875872A4
Authority: EP; European Patent Office
Prior art keywords: refrigeration cycle; cycle apparatus; refrigeration; cycle
Prior art date: 2018-10-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP18938547.9A

Other languages

German (de)

French (fr)

Other versions

EP3875872A1 (en

Inventor

Hiroki Ishiyama

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.)

2018-10-31

Filing date

2018-10-31

Publication date

2022-01-05

2018-10-31 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2021-09-08 Publication of EP3875872A1 publication Critical patent/EP3875872A1/en

2022-01-05 Publication of EP3875872A4 publication Critical patent/EP3875872A4/en

Status Withdrawn legal-status Critical Current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
- 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
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- 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
- F25B41/30—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
- 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
- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0411—Refrigeration circuit bypassing means for expansion valves or capillary tubes
- 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
- F25B2400/13—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—Component parts or details not otherwise provided for in this subclass
- F25B2400/24—Thermal storage element
- 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
- F25B2500/16—Lubrication
- 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
- F25B2500/19—Calculation of parameters
- 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
- F25B2600/025—Compressor control by controlling speed
- 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)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Power Engineering (AREA)
Compressor (AREA)
Air Conditioning Control Device (AREA)
Lubricants (AREA)

EP18938547.9A 2018-10-31 2018-10-31 Refrigeration cycle apparatus Withdrawn EP3875872A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2018/040528 WO2020090040A1 (en)	2018-10-31	2018-10-31	Refrigeration cycle apparatus

Publications (2)

Publication Number	Publication Date
EP3875872A1 EP3875872A1 (en)	2021-09-08
EP3875872A4 true EP3875872A4 (en)	2022-01-05

Family

ID=70461820

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18938547.9A Withdrawn EP3875872A4 (en)	2018-10-31	2018-10-31	Refrigeration cycle apparatus

Country Status (4)

Country	Link
EP (1)	EP3875872A4 (en)
JP (1)	JP7150046B2 (en)
CN (1)	CN112888906B (en)
WO (1)	WO2020090040A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1387778A (en) *	1973-07-31	1975-03-19	Virginia Chemicals Inc	Liquid trapping suction accumulator for a refrigeration system
EP0803688A1 (en) *	1996-04-26	1997-10-29	Mitsubishi Denki Kabushiki Kaisha	Accumulator
JP2008039233A (en) *	2006-08-03	2008-02-21	Daikin Ind Ltd	Refrigeration equipment
WO2015198475A1 (en) *	2014-06-27	2015-12-30	三菱電機株式会社	Refrigeration cycle device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS506453U (en) *	1973-05-14	1975-01-23
JP3008765B2 (en) *	1993-09-30	2000-02-14	三菱電機株式会社	Refrigeration cycle
JP4078786B2 (en)	2000-03-29	2008-04-23	三菱電機株式会社	Refrigeration and air conditioning cycle equipment
ES2711250T3 (en)	2009-10-27	2019-04-30	Mitsubishi Electric Corp	Air conditioner
JP6015075B2 (en)	2011-09-30	2016-10-26	株式会社富士通ゼネラル	Air conditioner
JPWO2013099047A1 (en)	2011-12-27	2015-04-30	三菱電機株式会社	Air conditioner
CN203671981U (en) *	2012-12-21	2014-06-25	三菱电机株式会社	Refrigeration cycle device
GB2552432B (en) *	2015-03-27	2020-08-05	Mitsubishi Electric Corp	Refrigeration cycle apparatus
JP6459800B2 (en)	2015-06-26	2019-01-30	株式会社富士通ゼネラル	Air conditioner
WO2017085813A1 (en)	2015-11-18	2017-05-26	三菱電機株式会社	Air conditioner
JP6529601B2 (en) *	2015-11-20	2019-06-12	三菱電機株式会社	Refrigeration cycle device and control method of refrigeration cycle device
JP6143978B1 (en) *	2016-01-14	2017-06-07	三菱電機株式会社	Refrigeration cycle equipment
JP6601307B2 (en)	2016-04-26	2019-11-06	株式会社デンソー	Refrigeration cycle equipment
JP6644160B2 (en) *	2016-10-18	2020-02-12	三菱電機株式会社	Refrigeration cycle device

2018
- 2018-10-31 JP JP2020554671A patent/JP7150046B2/en active Active
- 2018-10-31 CN CN201880098843.6A patent/CN112888906B/en not_active Expired - Fee Related
- 2018-10-31 EP EP18938547.9A patent/EP3875872A4/en not_active Withdrawn
- 2018-10-31 WO PCT/JP2018/040528 patent/WO2020090040A1/en not_active Ceased

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1387778A (en) *	1973-07-31	1975-03-19	Virginia Chemicals Inc	Liquid trapping suction accumulator for a refrigeration system
EP0803688A1 (en) *	1996-04-26	1997-10-29	Mitsubishi Denki Kabushiki Kaisha	Accumulator
JP2008039233A (en) *	2006-08-03	2008-02-21	Daikin Ind Ltd	Refrigeration equipment
WO2015198475A1 (en) *	2014-06-27	2015-12-30	三菱電機株式会社	Refrigeration cycle device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020090040A1 *

Also Published As

Publication number	Publication date
CN112888906A (en)	2021-06-01
JPWO2020090040A1 (en)	2021-09-02
WO2020090040A1 (en)	2020-05-07
JP7150046B2 (en)	2022-10-07
EP3875872A1 (en)	2021-09-08
CN112888906B (en)	2023-03-03

Legal Events

Date	Code	Title	Description
2020-05-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-08-06	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
2021-08-06	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-09-08	17P	Request for examination filed	Effective date: 20210423
2021-09-08	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
2022-01-05	A4	Supplementary search report drawn up and despatched	Effective date: 20211202
2022-01-05	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 49/02 20060101ALI20211126BHEP Ipc: F25B 41/30 20210101ALI20211126BHEP Ipc: F25B 40/00 20060101ALI20211126BHEP Ipc: F25B 31/00 20060101ALI20211126BHEP Ipc: F25B 1/00 20060101ALI20211126BHEP Ipc: F25B 43/02 20060101AFI20211126BHEP
2022-02-09	DAV	Request for validation of the european patent (deleted)
2022-02-09	DAX	Request for extension of the european patent (deleted)
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
2024-10-09	18W	Application withdrawn	Effective date: 20240904

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