EP2910871A4 - Refrigeration device - Google Patents

Refrigeration device Download PDF

Info

Publication number
EP2910871A4
EP2910871A4 EP12884974.2A EP12884974A EP2910871A4 EP 2910871 A4 EP2910871 A4 EP 2910871A4 EP 12884974 A EP12884974 A EP 12884974A EP 2910871 A4 EP2910871 A4 EP 2910871A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration device
refrigeration
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
EP12884974.2A
Other languages
German (de)
French (fr)
Other versions
EP2910871A1 (en
EP2910871B1 (en
Inventor
Takashi Ikeda
Takeshi Sugimoto
Tomotaka Ishikawa
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2910871A1 publication Critical patent/EP2910871A1/en
Publication of EP2910871A4 publication Critical patent/EP2910871A4/en
Application granted granted Critical
Publication of EP2910871B1 publication Critical patent/EP2910871B1/en
Active 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
    • 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
    • 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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • 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
    • F25B2400/16—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
    • F25B2500/00—Problems to be solved
    • F25B2500/27—Problems to be solved characterised by the stop of the refrigeration 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/03—Oil level

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)
  • Air Conditioning Control Device (AREA)
EP12884974.2A 2012-09-21 2012-09-21 Refrigeration device Active EP2910871B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/074197 WO2014045394A1 (en) 2012-09-21 2012-09-21 Refrigeration device

Publications (3)

Publication Number Publication Date
EP2910871A1 EP2910871A1 (en) 2015-08-26
EP2910871A4 true EP2910871A4 (en) 2017-04-19
EP2910871B1 EP2910871B1 (en) 2019-12-04

Family

ID=50340747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12884974.2A Active EP2910871B1 (en) 2012-09-21 2012-09-21 Refrigeration device

Country Status (3)

Country Link
EP (1) EP2910871B1 (en)
JP (1) JP5819000B2 (en)
WO (1) WO2014045394A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2017175299A1 (en) * 2016-04-05 2018-10-25 三菱電機株式会社 Refrigeration cycle equipment
JP6528909B2 (en) * 2016-09-30 2019-06-12 ダイキン工業株式会社 Refrigeration system
ES2905756T3 (en) * 2017-04-17 2022-04-12 Mitsubishi Electric Corp refrigeration cycle device
JP6833065B2 (en) * 2017-11-29 2021-02-24 三菱電機株式会社 Refrigeration equipment and outdoor unit
WO2019186647A1 (en) * 2018-03-26 2019-10-03 三菱電機株式会社 Refrigerating apparatus
JP6813786B2 (en) * 2019-09-13 2021-01-13 三菱重工冷熱株式会社 Refrigerant leak detection method and refrigerant leak detection means
JP2022019393A (en) * 2020-07-17 2022-01-27 Smc株式会社 Chiller
WO2023223558A1 (en) * 2022-05-20 2023-11-23 三菱電機株式会社 Dual refrigeration device
WO2023223559A1 (en) * 2022-05-20 2023-11-23 三菱電機株式会社 Outdoor unit of dual refrigeration device and dual refrigeration device
CN117469822B (en) * 2023-12-27 2024-03-19 珠海格力电器股份有限公司 Air conditioning unit, control method and storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008150289A1 (en) * 2007-06-04 2008-12-11 Carrier Corporation Refrigerant system with cascaded circuits and performance enhancement features

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0439574A (en) * 1990-06-05 1992-02-10 Mitsubishi Heavy Ind Ltd Refrigerating device
JP3166334B2 (en) * 1992-07-15 2001-05-14 ダイキン工業株式会社 Binary refrigerator
JPH0814673A (en) * 1994-07-01 1996-01-19 Daikin Ind Ltd Freezer
CN100344915C (en) * 2003-02-27 2007-10-24 东芝开利株式会社 Refrigeration cycle apparatus
JP2004301461A (en) * 2003-04-01 2004-10-28 Hitachi Ltd Air conditioner
JP4422570B2 (en) * 2004-07-23 2010-02-24 中部電力株式会社 Air conditioner
JP4537242B2 (en) * 2005-03-30 2010-09-01 三菱電機株式会社 Refrigeration equipment
JP2007303792A (en) 2006-05-15 2007-11-22 Sanyo Electric Co Ltd Refrigerating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008150289A1 (en) * 2007-06-04 2008-12-11 Carrier Corporation Refrigerant system with cascaded circuits and performance enhancement features

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014045394A1 *

Also Published As

Publication number Publication date
EP2910871A1 (en) 2015-08-26
JPWO2014045394A1 (en) 2016-08-18
EP2910871B1 (en) 2019-12-04
JP5819000B2 (en) 2015-11-18
WO2014045394A1 (en) 2014-03-27

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