EP2256435A4 - MULTI-TYPE AIR CONDITIONER AND METHOD FOR OPERATING OIL RETURN - Google Patents

MULTI-TYPE AIR CONDITIONER AND METHOD FOR OPERATING OIL RETURN

Info

Publication number
EP2256435A4
EP2256435A4 EP09725239.9A EP09725239A EP2256435A4 EP 2256435 A4 EP2256435 A4 EP 2256435A4 EP 09725239 A EP09725239 A EP 09725239A EP 2256435 A4 EP2256435 A4 EP 2256435A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
type air
operation method
oil return
return operation
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.)
Withdrawn
Application number
EP09725239.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2256435A1 (en
Inventor
Shinichi Isozumi
Atsushi Yoshimura
Keisuke Mitoma
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 Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP2256435A1 publication Critical patent/EP2256435A1/en
Publication of EP2256435A4 publication Critical patent/EP2256435A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
    • 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
    • F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three pipes connecting the outdoor side to the indoor side with multiple indoor units
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP09725239.9A 2008-03-28 2009-01-15 MULTI-TYPE AIR CONDITIONER AND METHOD FOR OPERATING OIL RETURN Withdrawn EP2256435A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008088594A JP5398159B2 (ja) 2008-03-28 2008-03-28 マルチ形空気調和機の油戻し運転方法およびマルチ形空気調和機
PCT/JP2009/050440 WO2009119134A1 (ja) 2008-03-28 2009-01-15 マルチ形空気調和機の油戻し運転方法およびマルチ形空気調和機

Publications (2)

Publication Number Publication Date
EP2256435A1 EP2256435A1 (en) 2010-12-01
EP2256435A4 true EP2256435A4 (en) 2014-05-14

Family

ID=41113344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09725239.9A Withdrawn EP2256435A4 (en) 2008-03-28 2009-01-15 MULTI-TYPE AIR CONDITIONER AND METHOD FOR OPERATING OIL RETURN

Country Status (3)

Country Link
EP (1) EP2256435A4 (ja)
JP (1) JP5398159B2 (ja)
WO (1) WO2009119134A1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011174687A (ja) * 2010-02-25 2011-09-08 Mitsubishi Heavy Ind Ltd 空気調和装置
CN104180563B (zh) * 2013-05-27 2017-06-20 珠海格力电器股份有限公司 多联机系统制热时的回油方法
JP6028817B2 (ja) * 2015-01-30 2016-11-24 ダイキン工業株式会社 空気調和装置
CN105157294B (zh) * 2015-10-14 2017-12-05 珠海格力电器股份有限公司 一种多联机智能回油的控制方法、系统和多联机系统
JP2017141987A (ja) * 2016-02-08 2017-08-17 三菱重工業株式会社 冷凍サイクル装置
JP6540666B2 (ja) * 2016-11-24 2019-07-10 ダイキン工業株式会社 冷凍装置
EP3742068A4 (en) * 2018-01-17 2021-11-24 Toshiba Carrier Corporation METHOD OF CONTROLLING AN AIR CONDITIONING AND AIR CONDITIONING SYSTEM
CN108489150B (zh) * 2018-02-02 2020-06-16 青岛海尔空调电子有限公司 一种多联机回油控制方法及系统
CN109631248B (zh) * 2018-11-16 2021-05-25 青岛海尔空调电子有限公司 一种多联机制冷回油降噪控制方法及系统
WO2021234851A1 (ja) * 2020-05-20 2021-11-25 三菱電機株式会社 冷凍空調装置
CN111878892B (zh) * 2020-06-29 2022-02-22 宁波奥克斯电气股份有限公司 多联机系统的回油方法、装置、空调器和存储介质
CN114110986B (zh) * 2020-08-26 2023-01-24 广东美的制冷设备有限公司 多联机空调系统回油控制方法、空调器及存储介质
CN113108419B (zh) * 2021-03-15 2022-06-17 珠海格力电器股份有限公司 一种多联机空调系统的控制方法
CN113028682B (zh) * 2021-03-30 2022-03-29 宁波奥克斯电气股份有限公司 回油控制方法和空调器
WO2022249387A1 (ja) * 2021-05-27 2022-12-01 三菱電機株式会社 冷媒漏れ判定装置、制御装置、冷媒漏れ判定プログラム及び冷媒漏れ判定方法
CN114484718B (zh) * 2022-01-14 2023-11-07 宁波奥克斯电气股份有限公司 一种空调器回油控制方法、装置及空调器
CN115950067B (zh) * 2022-12-05 2024-08-30 珠海格力电器股份有限公司 一种空调系统及其回油控制方法、装置和存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125648A (en) * 1997-10-10 2000-10-03 Hill; Herbert L. Multi-riser refrigeration system with oil return means

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6373052A (ja) 1986-09-13 1988-04-02 ダイキン工業株式会社 冷凍装置の油回収運転制御装置
JP2002349938A (ja) * 2001-05-22 2002-12-04 Mitsubishi Heavy Ind Ltd 冷凍装置およびその油戻し制御方法
JP2003214715A (ja) * 2002-01-28 2003-07-30 Daikin Ind Ltd 冷凍装置の油回収方法
JP3885601B2 (ja) * 2002-02-08 2007-02-21 ダイキン工業株式会社 冷媒及び油回収方法、冷媒及び油回収制御装置、及び空気調和装置
JP2006125762A (ja) 2004-10-29 2006-05-18 Mitsubishi Heavy Ind Ltd 室内機およびこれを備えた空気調和装置ならびにその運転方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125648A (en) * 1997-10-10 2000-10-03 Hill; Herbert L. Multi-riser refrigeration system with oil return means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009119134A1 *

Also Published As

Publication number Publication date
JP2009243719A (ja) 2009-10-22
WO2009119134A1 (ja) 2009-10-01
JP5398159B2 (ja) 2014-01-29
EP2256435A1 (en) 2010-12-01

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