EP2581682A4 - Heat pump water heater using co2 refrigerant - Google Patents

Heat pump water heater using co2 refrigerant

Info

Publication number
EP2581682A4
EP2581682A4 EP11774847.5A EP11774847A EP2581682A4 EP 2581682 A4 EP2581682 A4 EP 2581682A4 EP 11774847 A EP11774847 A EP 11774847A EP 2581682 A4 EP2581682 A4 EP 2581682A4
Authority
EP
European Patent Office
Prior art keywords
refrigerant
heat pump
water heater
pump water
heater
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Withdrawn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
EP11774847.5A
Other languages
German (de)
French (fr)
Other versions
EP2581682A1 (en
Inventor
Takuya Okada
Shigeru Yoshida
Yoichi Uefuji
Minemasa Omura
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 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 EP2581682A1 publication Critical patent/EP2581682A1/en
Publication of EP2581682A4 publication Critical patent/EP2581682A4/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Withdrawn legal-status Critical Current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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP11774847.5A 2010-04-28 2011-04-18 Heat pump water heater using co2 refrigerant Withdrawn EP2581682A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010103827A JP5705455B2 (en) 2010-04-28 2010-04-28 Heat pump water heater using CO2 refrigerant
PCT/JP2011/059492 WO2011136064A1 (en) 2010-04-28 2011-04-18 Heat pump water heater using co2 refrigerant

Publications (2)

Publication Number Publication Date
EP2581682A1 EP2581682A1 (en) 2013-04-17
EP2581682A4 true EP2581682A4 (en) 2013-11-27

Family

ID=44861371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11774847.5A Withdrawn EP2581682A4 (en) 2010-04-28 2011-04-18 Heat pump water heater using co2 refrigerant

Country Status (3)

Country Link
EP (1) EP2581682A4 (en)
JP (1) JP5705455B2 (en)
WO (1) WO2011136064A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534714A (en) * 2014-11-24 2015-04-22 合肥圣三松冷热技术有限公司 CO2 heat pump system and control method thereof
JP6594707B2 (en) 2015-08-27 2019-10-23 三菱重工サーマルシステムズ株式会社 Two-stage compression refrigeration system
CN109458758A (en) * 2018-11-02 2019-03-12 赵昕 The air source heat pump of multi-energy complementation
DE102018222555A1 (en) * 2018-12-20 2020-06-25 Yack S.A.S. Arrangement for heat generation
CN111023628B (en) * 2019-12-02 2021-10-01 苏州荣轩环保有限公司 Normal-pressure double-effect low-temperature evaporator of heat pump
CN111023627B (en) * 2019-12-02 2021-10-01 苏州荣轩环保有限公司 Heat pump normal-pressure single-effect evaporator and using method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745777A (en) * 1986-03-31 1988-05-24 Mitsubishi Denki Kabushiki Kaisha Refrigerating cycle apparatus
US4918942A (en) * 1989-10-11 1990-04-24 General Electric Company Refrigeration system with dual evaporators and suction line heating
US20030178498A1 (en) * 2002-03-20 2003-09-25 Kenichi Saitoh Heat pump hot-water supply system
US20040144528A1 (en) * 2002-02-12 2004-07-29 Keijiro Kunimoto Heat pump water heater
EP1707887A2 (en) * 2005-03-24 2006-10-04 Hitachi Home & Life Solutions, Inc., Heat-pump hot water supply apparatus
WO2008130359A1 (en) * 2007-04-24 2008-10-30 Carrier Corporation Refrigerant vapor compression system with dual economizer circuits
US20100031686A1 (en) * 2008-05-15 2010-02-11 Multistack Llc Modular outboard heat exchanger air conditioning system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938973A (en) 1982-08-28 1984-03-03 Sony Corp Disk reproducer
US5174123A (en) * 1991-08-23 1992-12-29 Thermo King Corporation Methods and apparatus for operating a refrigeration system
JPH09236357A (en) * 1996-02-29 1997-09-09 Denso Corp Reversible receiver for heat pump cycle
JP2003343914A (en) 2002-05-29 2003-12-03 Matsushita Electric Ind Co Ltd Heat pump type water heater
JP2006009713A (en) * 2004-06-28 2006-01-12 Hitachi Ltd Cogeneration system and energy supply system
JP4277836B2 (en) * 2005-08-02 2009-06-10 日立アプライアンス株式会社 Heat pump water heater
JP2008076014A (en) * 2006-09-25 2008-04-03 Noritz Corp Storable heat source device and storable heat source system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745777A (en) * 1986-03-31 1988-05-24 Mitsubishi Denki Kabushiki Kaisha Refrigerating cycle apparatus
US4918942A (en) * 1989-10-11 1990-04-24 General Electric Company Refrigeration system with dual evaporators and suction line heating
US20040144528A1 (en) * 2002-02-12 2004-07-29 Keijiro Kunimoto Heat pump water heater
US20030178498A1 (en) * 2002-03-20 2003-09-25 Kenichi Saitoh Heat pump hot-water supply system
EP1707887A2 (en) * 2005-03-24 2006-10-04 Hitachi Home & Life Solutions, Inc., Heat-pump hot water supply apparatus
WO2008130359A1 (en) * 2007-04-24 2008-10-30 Carrier Corporation Refrigerant vapor compression system with dual economizer circuits
US20100031686A1 (en) * 2008-05-15 2010-02-11 Multistack Llc Modular outboard heat exchanger air conditioning system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011136064A1 *

Also Published As

Publication number Publication date
JP2011232000A (en) 2011-11-17
EP2581682A1 (en) 2013-04-17
WO2011136064A1 (en) 2011-11-03
JP5705455B2 (en) 2015-04-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20120529

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20131028

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 9/00 20060101ALI20131022BHEP

Ipc: F25B 1/00 20060101AFI20131022BHEP

Ipc: F24H 4/04 20060101ALI20131022BHEP

Ipc: F25B 30/02 20060101ALI20131022BHEP

Ipc: F24D 17/02 20060101ALI20131022BHEP

17Q First examination report despatched

Effective date: 20150707

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20151118