JP5169295B2 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

Info

Publication number
JP5169295B2
JP5169295B2 JP2008041025A JP2008041025A JP5169295B2 JP 5169295 B2 JP5169295 B2 JP 5169295B2 JP 2008041025 A JP2008041025 A JP 2008041025A JP 2008041025 A JP2008041025 A JP 2008041025A JP 5169295 B2 JP5169295 B2 JP 5169295B2
Authority
JP
Japan
Prior art keywords
oil
refrigerant
oil feed
compressor
valve
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.)
Active
Application number
JP2008041025A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008267787A5 (enExample
JP2008267787A (ja
Inventor
哲也 岡本
昌和 岡本
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39788253&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP5169295(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP2008041025A priority Critical patent/JP5169295B2/ja
Priority to EP08720297.4A priority patent/EP2136158B1/en
Priority to PCT/JP2008/000383 priority patent/WO2008117511A1/ja
Priority to CN2008800100394A priority patent/CN101646908B/zh
Priority to ES08720297T priority patent/ES2710669T3/es
Priority to US12/593,600 priority patent/US8353180B2/en
Publication of JP2008267787A publication Critical patent/JP2008267787A/ja
Publication of JP2008267787A5 publication Critical patent/JP2008267787A5/ja
Publication of JP5169295B2 publication Critical patent/JP5169295B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2313/0272—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using bridge circuits of one-way 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • 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
    • F25B2700/21—Temperatures
    • F25B2700/2105—Oil temperatures
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Air Conditioning Control Device (AREA)
JP2008041025A 2007-03-27 2008-02-22 冷凍装置 Active JP5169295B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2008041025A JP5169295B2 (ja) 2007-03-27 2008-02-22 冷凍装置
ES08720297T ES2710669T3 (es) 2007-03-27 2008-02-28 Dispositivo de refrigeración
PCT/JP2008/000383 WO2008117511A1 (ja) 2007-03-27 2008-02-28 冷凍装置
CN2008800100394A CN101646908B (zh) 2007-03-27 2008-02-28 冷冻装置
EP08720297.4A EP2136158B1 (en) 2007-03-27 2008-02-28 Refrigerating device
US12/593,600 US8353180B2 (en) 2007-03-27 2008-02-28 Refrigerating apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007082288 2007-03-27
JP2007082288 2007-03-27
JP2008041025A JP5169295B2 (ja) 2007-03-27 2008-02-22 冷凍装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012174913A Division JP2012211763A (ja) 2007-03-27 2012-08-07 冷凍装置

Publications (3)

Publication Number Publication Date
JP2008267787A JP2008267787A (ja) 2008-11-06
JP2008267787A5 JP2008267787A5 (enExample) 2009-08-20
JP5169295B2 true JP5169295B2 (ja) 2013-03-27

Family

ID=39788253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008041025A Active JP5169295B2 (ja) 2007-03-27 2008-02-22 冷凍装置

Country Status (6)

Country Link
US (1) US8353180B2 (enExample)
EP (1) EP2136158B1 (enExample)
JP (1) JP5169295B2 (enExample)
CN (1) CN101646908B (enExample)
ES (1) ES2710669T3 (enExample)
WO (1) WO2008117511A1 (enExample)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5103952B2 (ja) * 2007-03-08 2012-12-19 ダイキン工業株式会社 冷凍装置
JP4787794B2 (ja) * 2007-06-25 2011-10-05 三星電子株式会社 低圧容器型圧縮機における油面検知機構及び空気調和機
CN101738033B (zh) * 2008-11-21 2014-07-23 湖南艾捷能节能科技有限公司 制冷剂净化节能器
JP5409318B2 (ja) * 2009-12-15 2014-02-05 三菱電機株式会社 ヒートポンプ装置及びヒートポンプ装置の運転方法
EP2535666B1 (en) * 2010-02-10 2020-07-22 Mitsubishi Electric Corporation Refrigeration cycle device
US8786455B2 (en) * 2011-06-23 2014-07-22 Ford Motor Company Tool lubrication delivery monitoring system and method
JP5594267B2 (ja) * 2011-09-12 2014-09-24 ダイキン工業株式会社 冷凍装置
JP5825042B2 (ja) * 2011-10-25 2015-12-02 ダイキン工業株式会社 冷凍装置
EP2631566B1 (en) * 2012-02-24 2018-11-21 Airbus Operations GmbH Accumulator arrangement with an integrated sub-cooler
CN103673398B (zh) * 2012-09-07 2015-12-16 珠海格力电器股份有限公司 压缩机回油系统及压缩机的回油状态检测方法
KR101995581B1 (ko) * 2012-11-12 2019-07-02 엘지전자 주식회사 오일 분리기 및 이를 사용한 공기조화기
WO2015045129A1 (ja) * 2013-09-27 2015-04-02 三菱電機株式会社 油面検知装置及びこの油面検知装置を搭載した冷凍空調装置
ES2707630T3 (es) * 2013-11-04 2019-04-04 Carrier Corp Circuito de refrigeración con separación de aceite
CN104654665B (zh) * 2013-11-25 2017-02-01 珠海格力电器股份有限公司 多联机系统的室外机模块及具有其的多联机系统
CN104729151B (zh) * 2013-12-23 2017-06-20 珠海格力电器股份有限公司 空调系统的压缩机回油管路故障的处理方法及系统
KR102198326B1 (ko) * 2013-12-26 2021-01-05 엘지전자 주식회사 공기 조화기
US10208987B2 (en) * 2014-02-18 2019-02-19 Mitsubishi Electric Corporation Heat pump with an auxiliary heat exchanger for compressor discharge temperature control
CN103940134B (zh) * 2014-04-03 2016-06-01 天津大学 蒸汽压缩制冷循环膨胀功回收系统
KR102243654B1 (ko) * 2014-04-25 2021-04-23 엘지전자 주식회사 공기조화장치
US10295236B2 (en) * 2014-08-13 2019-05-21 Trane International Inc. Compressor heating system
JP6395549B2 (ja) * 2014-10-02 2018-09-26 三菱重工サーマルシステムズ株式会社 オイルセパレータ、冷凍サイクル装置、及び、オイル戻し量の制御方法
CN104456840B (zh) * 2014-11-13 2017-06-13 广东美的制冷设备有限公司 喷气增焓型空调及其控制方法
KR101639513B1 (ko) * 2015-01-12 2016-07-13 엘지전자 주식회사 공기 조화기 및 이를 제어하는 방법
US10408513B2 (en) * 2015-02-18 2019-09-10 Heatcraft Refrigeration Products, Inc. Oil line control system
US10156389B2 (en) * 2015-03-27 2018-12-18 Mitsubishi Electric Corporation Refrigeration cycle apparatus with oil separator switching valve
CN105115204B (zh) * 2015-08-14 2017-08-08 浙江大学 一种可控制润滑油循环量的气液分离器和控制方法
CN108369039B (zh) * 2015-11-20 2020-07-10 三菱电机株式会社 制冷循环装置及制冷循环装置的控制方法
CN109863352B (zh) * 2016-10-31 2022-04-15 三菱电机株式会社 制冷循环装置
CN106403418B (zh) * 2016-11-07 2022-03-08 广州天河兰石技术开发有限公司 一种用于制冷元器件测试的含油率控制装置
JP6458895B2 (ja) * 2017-05-31 2019-01-30 ダイキン工業株式会社 冷凍装置の気液分離ユニット、及び冷凍装置
JP6896078B2 (ja) * 2017-07-27 2021-06-30 三菱電機株式会社 冷凍サイクル装置
CN113498467A (zh) * 2019-02-28 2021-10-12 三菱电机株式会社 制冷循环装置
WO2020241622A1 (ja) * 2019-05-31 2020-12-03 ダイキン工業株式会社 冷凍装置
CN111426040B (zh) * 2020-04-03 2021-12-14 广东美的暖通设备有限公司 空调设备、空调设备的运行控制方法和可读存储介质
ES2988386T3 (es) * 2020-04-07 2024-11-20 Mitsubishi Electric Corp Dispositivo de ciclo de refrigeración
CN113551390B (zh) * 2020-04-14 2022-08-19 青岛海尔空调器有限总公司 空调器的压缩机回油控制方法
CN113551447B (zh) * 2020-04-14 2023-03-21 青岛海尔空调器有限总公司 制热模式下空调系统的压缩机回油控制方法和控制系统
DE102020115276A1 (de) * 2020-06-09 2021-12-09 Stiebel Eltron Gmbh & Co. Kg Verfahren zum Regeln einer Kompressionskälteanlage und Kompressionskälteanlage
DE102021125108A1 (de) 2021-09-28 2023-03-30 Technische Universität Dresden, Körperschaft des öffentlichen Rechts Expansions-Kompressionsmaschine für Kältekreisläufe
DE102022125945A1 (de) * 2022-10-07 2024-04-18 TEKO Gesellschaft für Kältetechnik mbH Verfahren zur Regelung des Füllstandes eines Ölabscheiders für einen Kältekreislauf

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010378A (en) * 1974-12-20 1977-03-01 General Electric Company Integrated electric generating and space conditioning system
US4108618A (en) * 1977-02-23 1978-08-22 Freezing Equipment Sales, Inc. Anti-foam chamber for screw compressor oil separator
DE4140625C2 (de) 1991-12-10 1993-11-25 Ilka Maschinenfabrik Halle Gmb Einrichtung zur Regelung der Ölrückführung bei einer Kompressionskälteanlage
JPH11294873A (ja) * 1998-04-16 1999-10-29 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
TWI237682B (en) * 2000-07-07 2005-08-11 Sanyo Electric Co Freezing apparatus
US6418751B1 (en) * 2000-10-03 2002-07-16 Delphi Technologies, Inc. Accumulator-dehydrator assembly with anti-bump/venturi effect oil return feature for an air conditioning system
CN100400983C (zh) * 2001-01-10 2008-07-09 广东科龙电器股份有限公司 制冷系统及其回油方法
JP4114337B2 (ja) 2001-10-31 2008-07-09 ダイキン工業株式会社 冷凍装置
JP4300804B2 (ja) * 2002-06-11 2009-07-22 ダイキン工業株式会社 圧縮機構の均油回路、冷凍装置の熱源ユニット及びそれを備えた冷凍装置
KR20060055154A (ko) * 2004-11-18 2006-05-23 엘지전자 주식회사 멀티형 공기조화기의 압축기 오일 회수장치
JP4065313B2 (ja) * 2005-05-24 2008-03-26 松下電器産業株式会社 冷凍サイクル装置
JP2006329567A (ja) 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd ヒートポンプ装置
JP2006329568A (ja) 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd ヒートポンプ装置
JP2006349298A (ja) * 2005-06-20 2006-12-28 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JP2006038453A (ja) * 2005-09-15 2006-02-09 Daikin Ind Ltd 冷凍装置及び冷凍装置の冷媒量検出方法
JP4967435B2 (ja) * 2006-04-20 2012-07-04 ダイキン工業株式会社 冷凍装置

Also Published As

Publication number Publication date
EP2136158A4 (en) 2015-06-03
EP2136158A1 (en) 2009-12-23
ES2710669T3 (es) 2019-04-26
CN101646908B (zh) 2011-11-16
JP2008267787A (ja) 2008-11-06
US8353180B2 (en) 2013-01-15
WO2008117511A1 (ja) 2008-10-02
CN101646908A (zh) 2010-02-10
US20100126211A1 (en) 2010-05-27
EP2136158B1 (en) 2018-11-14

Similar Documents

Publication Publication Date Title
JP5169295B2 (ja) 冷凍装置
JP2008267787A5 (enExample)
US9341393B2 (en) Refrigerating cycle apparatus having an injection circuit and operating with refrigerant in supercritical state
EP1726893B1 (en) Refrigerant cycle apparatus
JP5502459B2 (ja) 冷凍装置
JP4179927B2 (ja) 冷却装置の冷媒封入量設定方法
KR101220583B1 (ko) 냉동장치
KR101220741B1 (ko) 냉동장치
KR101332478B1 (ko) 냉동장치
KR101220663B1 (ko) 냉동장치
JP2013155972A (ja) 冷凍装置
KR101268207B1 (ko) 냉동장치
JP2011133210A (ja) 冷凍装置
JP2014159950A (ja) 冷凍装置
JP5502460B2 (ja) 冷凍装置
JP2013139890A (ja) 冷凍装置
JP2012211763A (ja) 冷凍装置
JP5176874B2 (ja) 冷凍装置
JP2017110821A (ja) 空気調和装置
JP2013139898A (ja) 冷凍装置
JP2011137556A (ja) 冷凍装置
JP2013087975A (ja) 冷凍装置
JP2013108713A (ja) 冷凍装置

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090706

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20101214

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20120425

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120626

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120807

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121204

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121217

R151 Written notification of patent or utility model registration

Ref document number: 5169295

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20160111

Year of fee payment: 3