EP2290304A4 - Air conditioner - Google Patents

Air conditioner

Info

Publication number: EP2290304A4
Authority: EP; European Patent Office
Prior art keywords: air conditioner; conditioner; air
Prior art date: 2008-03-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP09729048.0A

Other languages

German (de)

French (fr)

Other versions

EP2290304A1 (en

Inventor

Keisuke Hokazono

Takeshi Hatomura

Hiroyuki Morimoto

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 Electric Corp

Original Assignee

Mitsubishi Electric 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.)

2008-03-31

Filing date

2009-03-31

Publication date

2013-06-05

2009-03-31 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2011-03-02 Publication of EP2290304A1 publication Critical patent/EP2290304A1/en

2013-06-05 Publication of EP2290304A4 publication Critical patent/EP2290304A4/en

Status Withdrawn legal-status Critical Current

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
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
- 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
- F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor 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
- 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
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
- 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
- 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
- F25B2400/13—Economisers
- 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
- F25B2600/11—Fan speed control
- 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
- F25B2600/25—Control of valves
- F25B2600/2509—Economiser 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/191—Pressures near an expansion valve

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Air Conditioning Control Device (AREA)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

EP09729048.0A 2008-03-31 2009-03-31 Air conditioner Withdrawn EP2290304A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
PCT/JP2008/056370 WO2009122512A1 (en)	2008-03-31	2008-03-31	Air conditioning apparatus
PCT/JP2009/056655 WO2009123190A1 (en)	2008-03-31	2009-03-31	Air conditioner

Publications (2)

Publication Number	Publication Date
EP2290304A1 EP2290304A1 (en)	2011-03-02
EP2290304A4 true EP2290304A4 (en)	2013-06-05

Family

ID=41134933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09729048.0A Withdrawn EP2290304A4 (en)	2008-03-31	2009-03-31	Air conditioner

Country Status (3)

Country	Link
EP (1)	EP2290304A4 (en)
JP (1)	JPWO2009123190A1 (en)
WO (2)	WO2009122512A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2450755B (en)	2007-07-06	2012-02-29	Greenfield Energy Ltd	Geothermal energy system and method of operation
GB2450754B8 (en)	2007-07-06	2013-02-06	Greenfield Energy Ltd	Geothermal energy system and method of operation
GB2461029B (en)	2008-06-16	2011-10-26	Greenfield Energy Ltd	Thermal energy system and method of operation
GB2488797A (en) *	2011-03-08	2012-09-12	Greenfield Master Ipco Ltd	Thermal Energy System and Method of Operation
WO2013144994A1 (en) *	2012-03-27	2013-10-03	三菱電機株式会社	Air conditioning device
EP2905552B1 (en) *	2012-10-01	2019-04-17	Mitsubishi Electric Corporation	Air conditioning device
JP6413692B2 (en) *	2014-11-21	2018-10-31	株式会社富士通ゼネラル	Air conditioner
CN104776630B (en) *	2015-04-28	2017-05-03	广东美的暖通设备有限公司	Multi-split system
WO2017179166A1 (en) *	2016-04-14	2017-10-19	三菱電機株式会社	Air-conditioning device
CN109445494B (en) *	2018-10-10	2020-04-28	珠海格力电器股份有限公司	Enthalpy difference laboratory dry-bulb working condition automatic control method
JP2024078026A (en) *	2022-11-29	2024-06-10	パナソニックＩｐマネジメント株式会社	Vapor compression type refrigeration cycle device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2008002743A (en) *	2006-06-21	2008-01-10	Daikin Ind Ltd	Refrigerating device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4350836B2 (en) *	1999-05-31	2009-10-21	三菱電機株式会社	Air conditioner
JP4091452B2 (en) *	2003-02-13	2008-05-28	カルソニックカンセイ株式会社	Pressure control device and pressure control method for refrigeration cycle using supercritical refrigerant
JP4288979B2 (en) *	2003-03-27	2009-07-01	三菱電機株式会社	Air conditioner, and operation control method of air conditioner
JP2005345069A (en) *	2004-06-07	2005-12-15	Mitsubishi Heavy Ind Ltd	Air conditioner and its operation control method
WO2005121656A1 (en) *	2004-06-11	2005-12-22	Daikin Industries, Ltd.	Air conditioner
JP2006283989A (en) *	2005-03-31	2006-10-19	Sanyo Electric Co Ltd	Cooling/heating system

2008
- 2008-03-31 WO PCT/JP2008/056370 patent/WO2009122512A1/en active Application Filing
2009
- 2009-03-31 JP JP2010505935A patent/JPWO2009123190A1/en active Pending
- 2009-03-31 WO PCT/JP2009/056655 patent/WO2009123190A1/en active Application Filing
- 2009-03-31 EP EP09729048.0A patent/EP2290304A4/en not_active Withdrawn

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2008002743A (en) *	2006-06-21	2008-01-10	Daikin Ind Ltd	Refrigerating device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO2009123190A1 *

Also Published As

Publication number	Publication date
WO2009123190A1 (en)	2009-10-08
EP2290304A1 (en)	2011-03-02
WO2009122512A1 (en)	2009-10-08
JPWO2009123190A1 (en)	2011-07-28

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EP2306101A4 (en)	2016-05-25	Air conditioner
EP2314940A4 (en)	2015-12-02	Air conditioner
EP2233847A4 (en)	2014-01-15	Air conditioner
GB2486985B (en)	2012-08-22	Air conditioner
EP2312229A4 (en)	2014-12-24	Air conditioner
EP2217863A4 (en)	2012-10-31	Air conditioner
AU319384S (en)	2008-05-20	Air conditioner
EP2226581A4 (en)	2013-10-16	Air conditioner
EP2204626A4 (en)	2013-05-01	Air conditioner
EP2163839A4 (en)	2014-11-12	Air conditioner
HK1142947A1 (en)	2010-12-17	Air conditioner
EP2216608A4 (en)	2016-11-30	Air conditioner
AU326391S (en)	2009-06-15	Air conditioner
AU324154S (en)	2009-01-23	Air conditioner
EP2290304A4 (en)	2013-06-05	Air conditioner
EP2205911A4 (en)	2011-04-06	Air conditioner
GB2451152B (en)	2012-04-25	Ceiling-type air conditioner
AU326393S (en)	2009-06-15	Air conditioner
EP2205909A4 (en)	2011-04-06	Air conditioner
AU326480S (en)	2009-06-19	Air conditioner
EP2203690A4 (en)	2013-10-02	Air conditioner
EP2364418A4 (en)	2012-11-07	Air conditioner
EP2233852A4 (en)	2014-12-03	Air conditioner
EP2181292A4 (en)	2011-04-20	Air conditioner

Legal Events

Date	Code	Title	Description
2011-01-28	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
2011-03-02	17P	Request for examination filed	Effective date: 20101028
2011-03-02	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): 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 SE SI SK TR
2011-03-02	AX	Request for extension of the european patent	Extension state: AL BA RS
2011-07-06	DAX	Request for extension of the european patent (deleted)
2013-06-05	A4	Supplementary search report drawn up and despatched	Effective date: 20130506
2013-06-05	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 9/00 20060101ALI20130426BHEP Ipc: F25B 29/00 20060101ALI20130426BHEP Ipc: F25B 1/00 20060101AFI20130426BHEP Ipc: F25B 13/00 20060101ALI20130426BHEP
2016-12-21	17Q	First examination report despatched	Effective date: 20161117
2017-11-24	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
2017-12-27	18D	Application deemed to be withdrawn	Effective date: 20170729