EP2402681A4 - Refrigeration unit - Google Patents

Refrigeration unit Download PDF

Info

Publication number
EP2402681A4
EP2402681A4 EP09840728.1A EP09840728A EP2402681A4 EP 2402681 A4 EP2402681 A4 EP 2402681A4 EP 09840728 A EP09840728 A EP 09840728A EP 2402681 A4 EP2402681 A4 EP 2402681A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration unit
refrigeration
unit
Prior art date
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.)
Granted
Application number
EP09840728.1A
Other languages
German (de)
French (fr)
Other versions
EP2402681B1 (en
EP2402681A1 (en
Inventor
Masaaki Takegami
Satoru Sakae
Azuma Kondou
Ryuuji Takeuchi
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2402681A1 publication Critical patent/EP2402681A1/en
Publication of EP2402681A4 publication Critical patent/EP2402681A4/en
Application granted granted Critical
Publication of EP2402681B1 publication Critical patent/EP2402681B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/005—Outdoor unit 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel 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
    • 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
    • F25B2313/02743—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using three four-way valves
EP09840728.1A 2009-02-27 2009-11-30 Refrigeration unit Not-in-force EP2402681B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009046648 2009-02-27
PCT/JP2009/006486 WO2010097874A1 (en) 2009-02-27 2009-11-30 Refrigeration unit

Publications (3)

Publication Number Publication Date
EP2402681A1 EP2402681A1 (en) 2012-01-04
EP2402681A4 true EP2402681A4 (en) 2017-04-05
EP2402681B1 EP2402681B1 (en) 2018-03-21

Family

ID=42299107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09840728.1A Not-in-force EP2402681B1 (en) 2009-02-27 2009-11-30 Refrigeration unit

Country Status (3)

Country Link
EP (1) EP2402681B1 (en)
JP (1) JP4462387B1 (en)
WO (1) WO2010097874A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5903595B2 (en) * 2011-05-27 2016-04-13 パナソニックＩｐマネジメント株式会社 Ultra-low temperature refrigeration equipment
CN102645057A (en) * 2012-03-31 2012-08-22 宁波奥克斯电气有限公司 Oil returning method during heating of multi-split air-conditioning unit
KR102008726B1 (en) * 2013-01-29 2019-08-09 엘지전자 주식회사 An air conditioner and a control method the same
JP6028816B2 (en) * 2015-01-30 2016-11-24 ダイキン工業株式会社 Air conditioner
JP6786965B2 (en) * 2016-09-01 2020-11-18 ダイキン工業株式会社 Refrigeration equipment
JP6662753B2 (en) * 2016-10-28 2020-03-11 ダイキン工業株式会社 Refrigeration equipment
JP6508394B2 (en) * 2017-09-29 2019-05-08 ダイキン工業株式会社 Refrigeration system
WO2019065856A1 (en) * 2017-09-29 2019-04-04 ダイキン工業株式会社 Refrigeration device
JP7057509B2 (en) * 2019-05-15 2022-04-20 ダイキン工業株式会社 Refrigeration unit, heat source unit, utilization unit, and refrigeration unit
JP6958692B1 (en) * 2020-08-28 2021-11-02 ダイキン工業株式会社 Heat source unit and refrigeration equipment
EP3995760B1 (en) 2020-11-05 2023-12-20 Daikin Industries, Ltd. Thermal storage unit for a refrigeration apparatus with a thermal storage and using co2 as refrigerant
EP3995758B1 (en) 2020-11-05 2023-12-20 Daikin Industries, Ltd. Heat exchange unit for a refrigeration apparatus with a thermal storage and using co2 as refrigerant
EP3995761A1 (en) 2020-11-05 2022-05-11 Daikin Industries, Ltd. Refrigerant circuit for a refrigeration apparatus with a thermal storage and method forcontrolling a refrigerant circuit
WO2022097680A1 (en) 2020-11-05 2022-05-12 Daikin Industries, Ltd. Refrigerant circuit for a refrigeration apparatus with a thermal storage and method for controlling a refrigerant circuit
CN115164300A (en) * 2022-06-20 2022-10-11 青岛海尔空调电子有限公司 Method and device for controlling oil return of air conditioner, air conditioner and storage medium
WO2024034939A1 (en) * 2022-08-10 2024-02-15 한온시스템 주식회사 Heat management system for vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH081338B2 (en) * 1990-12-21 1996-01-10 ダイキン工業株式会社 Operation control device for air conditioner
JP4807071B2 (en) * 2005-12-27 2011-11-02 ダイキン工業株式会社 Refrigeration equipment
JP2007322048A (en) * 2006-05-31 2007-12-13 Daikin Ind Ltd Refrigerating device
JP4905018B2 (en) * 2006-09-25 2012-03-28 ダイキン工業株式会社 Refrigeration equipment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2010097874A1 *

Also Published As

Publication number Publication date
EP2402681B1 (en) 2018-03-21
JP2010223574A (en) 2010-10-07
WO2010097874A1 (en) 2010-09-02
EP2402681A1 (en) 2012-01-04
JP4462387B1 (en) 2010-05-12

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