EP2012078A4 - Outdoor unit - Google Patents

Outdoor unit

Info

Publication number
EP2012078A4
EP2012078A4 EP07740285A EP07740285A EP2012078A4 EP 2012078 A4 EP2012078 A4 EP 2012078A4 EP 07740285 A EP07740285 A EP 07740285A EP 07740285 A EP07740285 A EP 07740285A EP 2012078 A4 EP2012078 A4 EP 2012078A4
Authority
EP
European Patent Office
Prior art keywords
outdoor unit
outdoor
unit
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Withdrawn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
EP07740285A
Other languages
German (de)
French (fr)
Other versions
EP2012078A1 (en
Inventor
Hideki Sangenya
Katsunori Murata
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
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2012078A1 publication Critical patent/EP2012078A1/en
Publication of EP2012078A4 publication Critical patent/EP2012078A4/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Withdrawn legal-status Critical Current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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor 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
    • 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
    • F25B2313/029—Control issues
    • F25B2313/0294—Control issues related to the outdoor fan, e.g. controlling speed
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • 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
    • F25B2600/00—Control issues
    • F25B2600/23—Time delays
    • 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
    • F25B2700/2106—Temperatures of fresh outdoor air
    • 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
    • F25B2700/2117—Temperatures of an evaporator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP07740285A 2006-03-31 2007-03-29 Outdoor unit Withdrawn EP2012078A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006099386 2006-03-31
JP2006345396A JP4270274B2 (en) 2006-03-31 2006-12-22 Outdoor unit
PCT/JP2007/056847 WO2007114243A1 (en) 2006-03-31 2007-03-29 Outdoor unit

Publications (2)

Publication Number Publication Date
EP2012078A1 EP2012078A1 (en) 2009-01-07
EP2012078A4 true EP2012078A4 (en) 2009-11-18

Family

ID=38563511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07740285A Withdrawn EP2012078A4 (en) 2006-03-31 2007-03-29 Outdoor unit

Country Status (4)

Country Link
EP (1) EP2012078A4 (en)
JP (1) JP4270274B2 (en)
AU (1) AU2007232984B2 (en)
WO (1) WO2007114243A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010137344A1 (en) * 2009-05-29 2010-12-02 ダイキン工業株式会社 Air-conditioning device
JP5366768B2 (en) * 2009-11-18 2013-12-11 ダイキン工業株式会社 Air conditioner outdoor unit
JP5257462B2 (en) * 2011-01-11 2013-08-07 ダイキン工業株式会社 Air conditioner
JP6192435B2 (en) * 2013-08-23 2017-09-06 サンデンホールディングス株式会社 Air conditioner for vehicles
DE102013218429A1 (en) * 2013-09-13 2015-04-02 Robert Bosch Gmbh Method for deicing a heat pump
CN103557651B (en) * 2013-10-25 2015-12-30 周晓明 A kind of air-cooling heat pump air conditioner intelligent defrosting method
US10989433B2 (en) 2014-11-26 2021-04-27 Hitachi-Johnson Controls Air Conditioning, Inc. Air conditioner
JP6430038B2 (en) * 2016-01-12 2018-11-28 三菱電機株式会社 Air conditioner
WO2024069705A1 (en) * 2022-09-26 2024-04-04 三菱電機株式会社 Power conversion device, motor drive device, and refrigeration cycle application device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189085A (en) * 1960-09-13 1965-06-15 Westinghouse Electric Corp Air conditioning apparatus
US3461681A (en) * 1968-03-11 1969-08-19 Carrier Corp Refrigeration system defrost control
EP0027604A2 (en) * 1979-10-22 1981-04-29 Carrier Corporation Refrigeration system having two refrigeration circuits
US4774813A (en) * 1986-04-30 1988-10-04 Hitachi, Ltd. Air conditioner with defrosting mode
EP0840071A2 (en) * 1996-10-31 1998-05-06 Kabushiki Kaisha Toshiba Air conditioner and method of controlling the air conditioner
US6141978A (en) * 1997-12-22 2000-11-07 Carrier Corporation Method and apparatus for eliminating unnecessary defrost cycles in heat pump systems
JP2005188863A (en) * 2003-12-26 2005-07-14 Daikin Ind Ltd Heat pump type hot water supplier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111288B2 (en) * 1985-09-20 1995-11-29 株式会社日立製作所 Air conditioner
JPS6370039A (en) * 1986-09-10 1988-03-30 Hitachi Ltd Air conditioner
JPH02306042A (en) * 1989-05-18 1990-12-19 Daikin Ind Ltd Defroster in refrigeration apparatus
JPH0498059A (en) * 1990-08-10 1992-03-30 Daikin Ind Ltd Detecting device for freezing in evaporator of refrigerating plant
JPH10148378A (en) * 1996-11-20 1998-06-02 Sanyo Electric Co Ltd Air conditioner
JP4078447B2 (en) * 2003-01-15 2008-04-23 株式会社日立製作所 Air conditioner and outdoor unit of air conditioner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189085A (en) * 1960-09-13 1965-06-15 Westinghouse Electric Corp Air conditioning apparatus
US3461681A (en) * 1968-03-11 1969-08-19 Carrier Corp Refrigeration system defrost control
EP0027604A2 (en) * 1979-10-22 1981-04-29 Carrier Corporation Refrigeration system having two refrigeration circuits
US4774813A (en) * 1986-04-30 1988-10-04 Hitachi, Ltd. Air conditioner with defrosting mode
EP0840071A2 (en) * 1996-10-31 1998-05-06 Kabushiki Kaisha Toshiba Air conditioner and method of controlling the air conditioner
US6141978A (en) * 1997-12-22 2000-11-07 Carrier Corporation Method and apparatus for eliminating unnecessary defrost cycles in heat pump systems
JP2005188863A (en) * 2003-12-26 2005-07-14 Daikin Ind Ltd Heat pump type hot water supplier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007114243A1 *

Also Published As

Publication number Publication date
AU2007232984B2 (en) 2010-06-03
JP4270274B2 (en) 2009-05-27
AU2007232984A1 (en) 2007-10-11
WO2007114243A1 (en) 2007-10-11
JP2007292439A (en) 2007-11-08
EP2012078A1 (en) 2009-01-07

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Legal Events

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

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Effective date: 20081029

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

A4 Supplementary search report drawn up and despatched

Effective date: 20091021

DAX Request for extension of the european patent (deleted)
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Effective date: 20130611

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

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18D Application deemed to be withdrawn

Effective date: 20171003