EP1370809A4 - Heat pump and dehumidifying air-conditioning apparatus - Google Patents

Heat pump and dehumidifying air-conditioning apparatus

Info

Publication number
EP1370809A4
EP1370809A4 EP02701662A EP02701662A EP1370809A4 EP 1370809 A4 EP1370809 A4 EP 1370809A4 EP 02701662 A EP02701662 A EP 02701662A EP 02701662 A EP02701662 A EP 02701662A EP 1370809 A4 EP1370809 A4 EP 1370809A4
Authority
EP
European Patent Office
Prior art keywords
heat pump
conditioning apparatus
dehumidifying air
dehumidifying
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.)
Withdrawn
Application number
EP02701662A
Other languages
German (de)
French (fr)
Other versions
EP1370809A1 (en
Inventor
Kensaku Maeda
Hideo Inaba
Shunro Nishiwaki
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Publication of EP1370809A1 publication Critical patent/EP1370809A1/en
Publication of EP1370809A4 publication Critical patent/EP1370809A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Central Air Conditioning (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP02701662A 2001-03-02 2002-03-01 Heat pump and dehumidifying air-conditioning apparatus Withdrawn EP1370809A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001059330 2001-03-02
JP2001059330A JP3253021B1 (en) 2001-03-02 2001-03-02 Heat pump and dehumidifying air conditioner
PCT/JP2002/001897 WO2002070958A1 (en) 2001-03-02 2002-03-01 Heat pump and dehumidifying air-conditioning apparatus

Publications (2)

Publication Number Publication Date
EP1370809A1 EP1370809A1 (en) 2003-12-17
EP1370809A4 true EP1370809A4 (en) 2006-10-04

Family

ID=18918904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02701662A Withdrawn EP1370809A4 (en) 2001-03-02 2002-03-01 Heat pump and dehumidifying air-conditioning apparatus

Country Status (5)

Country Link
US (1) US20040118133A1 (en)
EP (1) EP1370809A4 (en)
JP (1) JP3253021B1 (en)
CN (1) CN1223804C (en)
WO (1) WO2002070958A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100688166B1 (en) * 2004-12-10 2007-03-02 엘지전자 주식회사 Air conditioner
EP1915580A4 (en) * 2005-07-28 2010-12-22 Carrier Corp Closed-loop dehumidification circuit for refrigerant system
US8544288B2 (en) * 2006-10-02 2013-10-01 Lennox Manufacturing Inc. Dehumidification enhancement via blower control
CN102317699B (en) * 2009-02-20 2014-11-12 三菱电机株式会社 Use-side unit and air conditioner
EP2881274B1 (en) * 2012-08-05 2019-06-19 Yokohama Heat use Technology Dehumidifying device for vehicle
CN107120746B (en) * 2016-02-25 2020-06-02 维谛技术有限公司 Composite type refrigerating and dehumidifying method and refrigerating and dehumidifying composite system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031411A (en) * 1990-04-26 1991-07-16 Dec International, Inc. Efficient dehumidification system
EP0760453A2 (en) * 1995-08-30 1997-03-05 Carrier Corporation Air conditioning system with subcooler coil and series expander devices
JP2000111095A (en) * 1998-10-06 2000-04-18 Ebara Corp Dehumidification air conditioner
JP2000356481A (en) * 1999-06-16 2000-12-26 Ebara Corp Heat exchanger, heat pump and dehumidifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211668A (en) * 1985-03-15 1986-09-19 松下電工株式会社 Dehumidifier
US5622057A (en) * 1995-08-30 1997-04-22 Carrier Corporation High latent refrigerant control circuit for air conditioning system
JP2001021175A (en) * 1999-07-12 2001-01-26 Ebara Corp Dehumidifying apparatus
JP3228731B2 (en) * 1999-11-19 2001-11-12 株式会社荏原製作所 Heat pump and dehumidifier
JP2001215030A (en) * 2000-02-03 2001-08-10 Ebara Corp Dehumidifying apparatus
JP3765732B2 (en) * 2001-04-18 2006-04-12 株式会社荏原製作所 Heat pump and dehumidifying air conditioner
WO2003006890A1 (en) * 2001-07-13 2003-01-23 Ebara Corporation Dehumidifying air-conditioning apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5031411A (en) * 1990-04-26 1991-07-16 Dec International, Inc. Efficient dehumidification system
EP0760453A2 (en) * 1995-08-30 1997-03-05 Carrier Corporation Air conditioning system with subcooler coil and series expander devices
JP2000111095A (en) * 1998-10-06 2000-04-18 Ebara Corp Dehumidification air conditioner
JP2000356481A (en) * 1999-06-16 2000-12-26 Ebara Corp Heat exchanger, heat pump and dehumidifier

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07 29 September 2000 (2000-09-29) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 15 6 April 2001 (2001-04-06) *
See also references of WO02070958A1 *

Also Published As

Publication number Publication date
CN1503889A (en) 2004-06-09
JP2002257375A (en) 2002-09-11
WO2002070958A1 (en) 2002-09-12
JP3253021B1 (en) 2002-02-04
CN1223804C (en) 2005-10-19
US20040118133A1 (en) 2004-06-24
EP1370809A1 (en) 2003-12-17

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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: 20030902

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIN1 Information on inventor provided before grant (corrected)

Inventor name: NISHIWAKI, SHUNRO

Inventor name: INABA, HIDEO EBARA CORPORATION,

Inventor name: MAEDA, KENSAKUC/O EBARA CORPORATION

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

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

A4 Supplementary search report drawn up and despatched

Effective date: 20060906

18W Application withdrawn

Effective date: 20050817