US20190128569A1 - Ejector refrigeration circuit - Google Patents

Ejector refrigeration circuit Download PDF

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Publication number
US20190128569A1
US20190128569A1 US16/225,444 US201816225444A US2019128569A1 US 20190128569 A1 US20190128569 A1 US 20190128569A1 US 201816225444 A US201816225444 A US 201816225444A US 2019128569 A1 US2019128569 A1 US 2019128569A1
Authority
US
United States
Prior art keywords
refrigerant
heat exchanger
cooling
heating
air
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.)
Abandoned
Application number
US16/225,444
Other languages
English (en)
Inventor
Kazuhiro Tada
Hiroya HASEGAWA
Satoshi Ito
Mikiharu Kuwahara
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.)
Denso Corp
Original Assignee
Denso 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 Denso Corp filed Critical Denso Corp
Assigned to DENSO CORPORATION reassignment DENSO CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUWAHARA, MIKIHARU, HASEGAWA, Hiroya, ITO, SATOSHI, TADA, KAZUHIRO
Publication of US20190128569A1 publication Critical patent/US20190128569A1/en
Abandoned legal-status Critical Current

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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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
    • 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
    • F25B1/00—Compression machines, plants or systems with non-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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F25B41/003—
    • F25B41/04—
    • 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
    • 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
    • F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-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
    • F25B2313/029—Control issues
    • F25B2313/0292—Control issues related to reversing 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0012—Ejectors with the cooled primary flow at high 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0013—Ejector control arrangements
US16/225,444 2016-06-21 2018-12-19 Ejector refrigeration circuit Abandoned US20190128569A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016-122859 2016-06-21
JP2016122859A JP6528733B2 (ja) 2016-06-21 2016-06-21 エジェクタ式冷凍サイクル
PCT/JP2017/019292 WO2017221618A1 (ja) 2016-06-21 2017-05-24 エジェクタ式冷凍サイクル

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/019292 Continuation WO2017221618A1 (ja) 2016-06-21 2017-05-24 エジェクタ式冷凍サイクル

Publications (1)

Publication Number Publication Date
US20190128569A1 true US20190128569A1 (en) 2019-05-02

Family

ID=60784291

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/225,444 Abandoned US20190128569A1 (en) 2016-06-21 2018-12-19 Ejector refrigeration circuit

Country Status (5)

Country Link
US (1) US20190128569A1 (ja)
JP (1) JP6528733B2 (ja)
CN (1) CN109416203B (ja)
DE (1) DE112017003076T5 (ja)
WO (1) WO2017221618A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220082304A1 (en) * 2020-09-14 2022-03-17 Emerson Climate Technologies, Inc. Refrigerant Isolation Using A Reversing Valve
CN115046328A (zh) * 2022-06-01 2022-09-13 嵊州市浙江工业大学创新研究院 一种采用相变材料再利用水泥厂余热的喷射压缩制冷系统
WO2023069273A1 (en) * 2021-10-21 2023-04-27 Emerson Climate Technologies, Inc. Climate control systems for use with high glide working fluids and methods for operation thereof
US11709004B2 (en) 2020-12-16 2023-07-25 Lennox Industries Inc. Method and a system for preventing a freeze event using refrigerant temperature

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6277888B2 (ja) * 2014-06-27 2018-02-14 株式会社デンソー 冷凍サイクル装置
EP3699515B1 (de) * 2019-02-20 2023-01-11 Weiss Technik GmbH Temperierkammer und verfahren
CN113432264A (zh) * 2021-06-29 2021-09-24 海信（山东）空调有限公司 冷媒循环系统和控制空调器除湿的方法及空调器
CN113432261A (zh) * 2021-06-29 2021-09-24 海信（山东）空调有限公司 冷媒循环系统和控制空调器除湿的方法及空调器
DE102021213208A1 (de) 2021-11-24 2023-05-25 Volkswagen Aktiengesellschaft Klimatisierungsanordnung mit geregeltem Ejektor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2320961Y (zh) * 1997-10-13 1999-05-26 郑守峰 引射式制冷剂蓄冷器
JP2004142506A (ja) * 2002-10-22 2004-05-20 Denso Corp 車両用空調装置
JP4196873B2 (ja) * 2004-04-14 2008-12-17 株式会社デンソー エジェクタサイクル
CN1294395C (zh) * 2005-06-02 2007-01-10 上海交通大学 压缩/喷射混合循环双温冷藏车制冷机组
JP2007255771A (ja) * 2006-03-22 2007-10-04 Denso Corp エジェクタ式サイクル
JP2008057941A (ja) * 2006-09-04 2008-03-13 Fuji Electric Retail Systems Co Ltd 冷媒サイクル装置
JP2008116124A (ja) * 2006-11-06 2008-05-22 Hitachi Appliances Inc 空気調和機
JP5446694B2 (ja) * 2008-12-15 2014-03-19 株式会社デンソー エジェクタ式冷凍サイクル
JP6082696B2 (ja) 2010-10-26 2017-02-15 ヘンケル アイピー アンド ホールディング ゲゼルシャフト ミット ベシュレンクテル ハフツング 基板レベルのｅｍｉ遮蔽のための複合フィルム
JP5729359B2 (ja) * 2012-07-09 2015-06-03 株式会社デンソー 冷凍サイクル装置
JP6102552B2 (ja) 2012-11-16 2017-03-29 株式会社デンソー 冷凍サイクル装置
JP6083330B2 (ja) * 2012-11-16 2017-02-22 株式会社デンソー エジェクタ
JP5999050B2 (ja) * 2013-08-29 2016-09-28 株式会社デンソー エジェクタ式冷凍サイクルおよびエジェクタ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220082304A1 (en) * 2020-09-14 2022-03-17 Emerson Climate Technologies, Inc. Refrigerant Isolation Using A Reversing Valve
US11754324B2 (en) * 2020-09-14 2023-09-12 Copeland Lp Refrigerant isolation using a reversing valve
US11709004B2 (en) 2020-12-16 2023-07-25 Lennox Industries Inc. Method and a system for preventing a freeze event using refrigerant temperature
WO2023069273A1 (en) * 2021-10-21 2023-04-27 Emerson Climate Technologies, Inc. Climate control systems for use with high glide working fluids and methods for operation thereof
CN115046328A (zh) * 2022-06-01 2022-09-13 嵊州市浙江工业大学创新研究院 一种采用相变材料再利用水泥厂余热的喷射压缩制冷系统

Also Published As

Publication number Publication date
CN109416203A (zh) 2019-03-01
CN109416203B (zh) 2020-09-29
JP6528733B2 (ja) 2019-06-12
DE112017003076T5 (de) 2019-02-28
JP2017227366A (ja) 2017-12-28
WO2017221618A1 (ja) 2017-12-28

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AS Assignment

Owner name: DENSO CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TADA, KAZUHIRO;HASEGAWA, HIROYA;ITO, SATOSHI;AND OTHERS;SIGNING DATES FROM 20181127 TO 20181206;REEL/FRAME:047816/0960

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Free format text: APPLICATION DISPATCHED FROM PREEXAM, NOT YET DOCKETED

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Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

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STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION