EP4012285A4 - INDOOR AIR CONDITIONER UNIT - Google Patents

INDOOR AIR CONDITIONER UNIT Download PDF

Info

Publication number: EP4012285A4
Authority: EP; European Patent Office
Prior art keywords: air conditioner; indoor air; conditioner unit; unit; indoor
Prior art date: 2019-09-17
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.): Pending

Application number

EP20865264.4A

Other languages

German (de)

French (fr)

Other versions

EP4012285A1 (en

Inventor

Hiroki Fujita

Kei Takenaka

Tomoyuki Haikawa

Hayato Nuno

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.)

2019-09-17

Filing date

2020-09-14

Publication date

2023-09-06

2020-09-14 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2022-06-15 Publication of EP4012285A1 publication Critical patent/EP4012285A1/en

2023-09-06 Publication of EP4012285A4 publication Critical patent/EP4012285A4/en

Status Pending legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- 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
- F24F11/43—Defrosting; Preventing freezing of indoor units
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/755—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for cyclical variation of air flow rate or air velocity
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/12—Position of occupants

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Signal Processing (AREA)
Fuzzy Systems (AREA)
Mathematical Physics (AREA)
Air Conditioning Control Device (AREA)
Air-Flow Control Members (AREA)

EP20865264.4A 2019-09-17 2020-09-14 INDOOR AIR CONDITIONER UNIT Pending EP4012285A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2019168560		2019-09-17
PCT/JP2020/034722 WO2021054286A1 (en)	2019-09-17	2020-09-14	Indoor unit of air conditioner

Publications (2)

Publication Number	Publication Date
EP4012285A1 EP4012285A1 (en)	2022-06-15
EP4012285A4 true EP4012285A4 (en)	2023-09-06

Family

ID=74883192

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20865264.4A Pending EP4012285A4 (en)	2019-09-17	2020-09-14	INDOOR AIR CONDITIONER UNIT

Country Status (6)

Country	Link
US (1)	US20220186976A1 (en)
EP (1)	EP4012285A4 (en)
JP (2)	JP7025672B2 (en)
CN (1)	CN114391079A (en)
AU (1)	AU2020349932B2 (en)
WO (1)	WO2021054286A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN118640521B (en) *	2024-08-19	2024-11-29	格力电器(赣州)有限公司	Air conditioner, control method, control device and control system

Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH09184650A (en) *	1995-12-29	1997-07-15	Daikin Ind Ltd	Wall-mounted air conditioner
US5913890A (en) *	1996-09-12	1999-06-22	Samsung Electronics, Co., Ltd.	Air current control apparatus for air conditioner and methods
JP2003021386A (en) *	2001-07-09	2003-01-24	Mitsubishi Electric Corp	Indoor machine for air conditioner and wind direction control method using the same
EP1553358A1 (en) *	2002-08-05	2005-07-13	Sharp Kabushiki Kaisha	Air conditioner
US20060286923A1 (en) *	2003-10-31	2006-12-21	Daikin Industries, Ltd.	Air conditioner and control method thereof
JP2013238397A (en) *	2013-09-06	2013-11-28	Mitsubishi Electric Corp	Indoor unit of air conditioner
US20140138043A1 (en) *	2012-11-16	2014-05-22	Mitsubishi Electric Corporation	Indoor unit of air-conditioning apparatus
US9297547B2 (en) *	2009-09-28	2016-03-29	Daikin Industries, Ltd.	Control device for varying the angle of air conditioning discharge flaps
CN105202690B (en) *	2014-06-25	2018-04-03	三菱电机株式会社	The indoor set and air-conditioning device of air-conditioning device
EP3358266A1 (en) *	2015-09-30	2018-08-08	Daikin Industries, Ltd.	Air conditioner
EP2607806B1 (en) *	2011-12-20	2019-08-28	Mitsubishi Electric Corporation	Indoor unit of air-conditioning apparatus

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Publication number	Priority date	Publication date	Assignee	Title
US3163100A (en) *	1962-01-18	1964-12-29	Carrier Corp	Control for an air distribution system
JPS62297654A (en) *	1986-06-17	1987-12-24	Daikin Ind Ltd	air conditioner
JPH0379943A (en) *	1989-08-21	1991-04-04	Daikin Ind Ltd	air conditioner
JP3139071B2 (en) *	1991-09-04	2001-02-26	松下電器産業株式会社	Wind direction control method for air conditioner
JPH05203221A (en) *	1992-01-23	1993-08-10	Matsushita Electric Ind Co Ltd	Air direction controlling method for air conditioner
JP3392644B2 (en) *	1996-06-26	2003-03-31	東芝キヤリア株式会社	Air conditioner indoor unit
JP2001153431A (en) *	1999-12-01	2001-06-08	Matsushita Electric Ind Co Ltd	Wind direction control method for air-conditioner
JP3861549B2 (en) *	2000-02-18	2006-12-20	松下電器産業株式会社	Blower fan control method for air conditioner
JP5216519B2 (en) *	2008-10-06	2013-06-19	日立アプライアンス株式会社	Air conditioner
JP5365675B2 (en) *	2011-09-30	2013-12-11	ダイキン工業株式会社	Air conditioning indoor unit
JP2013096639A (en) *	2011-10-31	2013-05-20	Daikin Industries Ltd	Air-conditioning indoor unit
JP5408227B2 (en) *	2011-10-31	2014-02-05	ダイキン工業株式会社	Air conditioning indoor unit
JP5403046B2 (en) *	2011-12-28	2014-01-29	ダイキン工業株式会社	Air conditioning indoor unit
JP5754429B2 (en) *	2012-09-13	2015-07-29	ダイキン工業株式会社	Air conditioning indoor unit
JP6079866B2 (en) *	2013-03-04	2017-02-15	三菱電機株式会社	Blower and air conditioner using the same
US20170336083A1 (en) *	2015-03-02	2017-11-23	Mitsubishi Electric Corporation	Indoor unit for air-conditioning apparatus
JP6137254B2 (en)	2015-09-10	2017-05-31	ダイキン工業株式会社	Air conditioning indoor unit
JP6296034B2 (en) *	2015-09-30	2018-03-20	ダイキン工業株式会社	air conditioner
JP6245284B2 (en) *	2016-02-02	2017-12-13	三菱電機株式会社	Air conditioner
JP7033392B2 (en) *	2017-03-10	2022-03-10	日立ジョンソンコントロールズ空調株式会社	Indoor unit of air conditioner and air conditioner
JP7077258B2 (en) *	2019-03-18	2022-05-30	株式会社長府製作所	Hot water storage type hot water supply device
JP6816807B1 (en) *	2019-09-17	2021-01-20	ダイキン工業株式会社	Blower and air conditioner indoor unit

2020
- 2020-09-14 JP JP2020153535A patent/JP7025672B2/en active Active
- 2020-09-14 EP EP20865264.4A patent/EP4012285A4/en active Pending
- 2020-09-14 AU AU2020349932A patent/AU2020349932B2/en active Active
- 2020-09-14 WO PCT/JP2020/034722 patent/WO2021054286A1/en unknown
- 2020-09-14 CN CN202080064352.7A patent/CN114391079A/en active Pending
2022
- 2022-02-10 JP JP2022019214A patent/JP2022059635A/en active Pending
- 2022-03-03 US US17/685,685 patent/US20220186976A1/en active Pending

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH09184650A (en) *	1995-12-29	1997-07-15	Daikin Ind Ltd	Wall-mounted air conditioner
US5913890A (en) *	1996-09-12	1999-06-22	Samsung Electronics, Co., Ltd.	Air current control apparatus for air conditioner and methods
JP2003021386A (en) *	2001-07-09	2003-01-24	Mitsubishi Electric Corp	Indoor machine for air conditioner and wind direction control method using the same
EP1553358A1 (en) *	2002-08-05	2005-07-13	Sharp Kabushiki Kaisha	Air conditioner
US20060286923A1 (en) *	2003-10-31	2006-12-21	Daikin Industries, Ltd.	Air conditioner and control method thereof
US9297547B2 (en) *	2009-09-28	2016-03-29	Daikin Industries, Ltd.	Control device for varying the angle of air conditioning discharge flaps
EP2607806B1 (en) *	2011-12-20	2019-08-28	Mitsubishi Electric Corporation	Indoor unit of air-conditioning apparatus
US20140138043A1 (en) *	2012-11-16	2014-05-22	Mitsubishi Electric Corporation	Indoor unit of air-conditioning apparatus
JP2013238397A (en) *	2013-09-06	2013-11-28	Mitsubishi Electric Corp	Indoor unit of air conditioner
CN105202690B (en) *	2014-06-25	2018-04-03	三菱电机株式会社	The indoor set and air-conditioning device of air-conditioning device
EP3358266A1 (en) *	2015-09-30	2018-08-08	Daikin Industries, Ltd.	Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021054286A1 *

Also Published As

Publication number	Publication date
JP2022059635A (en)	2022-04-13
JP7025672B2 (en)	2022-02-25
JP2021050902A (en)	2021-04-01
AU2020349932A1 (en)	2022-03-24
WO2021054286A1 (en)	2021-03-25
US20220186976A1 (en)	2022-06-16
EP4012285A1 (en)	2022-06-15
CN114391079A (en)	2022-04-22
AU2020349932B2 (en)	2023-03-16

Publication	Publication Date	Title
EP3650776A4 (en)	2020-05-13	INDOOR AIR CONDITIONER UNIT
EP3933288A4 (en)	2022-04-13	AIR CONDITIONING INDOOR UNIT
EP3450868A4 (en)	2019-06-26	INDOOR UNIT FOR AIR CONDITIONER
EP4065906A4 (en)	2024-02-07	AIR CONDITIONER
EP3896349A4 (en)	2022-03-02	AIR CONDITIONER
EP3604935A4 (en)	2020-04-15	INDOOR AIR CONDITIONING UNIT
EP4063750A4 (en)	2023-11-15	AIR CONDITIONER
EP3534083A4 (en)	2019-11-06	INDOOR AIR CONDITIONING UNIT
EP3792561A4 (en)	2021-05-19	OUTDOOR AIR CONDITIONER UNIT
EP4056908C0 (en)	2024-03-06	INDOOR AIR CONDITIONER UNIT
EP3835677A4 (en)	2021-10-20	AIR CONDITIONING INDOOR UNIT
EP3719405C0 (en)	2023-08-09	INDOOR AIR CONDITIONER UNIT
EP4086532A4 (en)	2024-01-17	AIR CONDITIONING INDOOR UNIT
EP4040075A4 (en)	2022-11-02	AIR CONDITIONER
EP3760942C0 (en)	2023-07-26	INDOOR AIR CONDITIONING UNIT AND AIR CONDITIONER
EP3779296A4 (en)	2021-05-26	AIR CONDITIONER INDOOR UNIT
EP3779289A4 (en)	2021-05-26	INDOOR AIR CONDITIONING UNIT
EP4012285A4 (en)	2023-09-06	INDOOR AIR CONDITIONER UNIT
EP3992541A4 (en)	2022-08-24	AIR CONDITIONING INDOOR UNIT
EP4060240A4 (en)	2022-12-21	AIR CONDITIONER
EP4019855A4 (en)	2022-10-26	AIR CONDITIONER
EP4040073A4 (en)	2023-04-19	AIR CONDITIONER
EP3884215A4 (en)	2022-01-19	AIR CONDITIONER
EP3770527A4 (en)	2021-01-27	INDOOR AIR CONDITIONER UNIT
EP3730851A4 (en)	2021-02-24	OUTDOOR UNIT FOR AIR CONDITIONER

Legal Events

Date	Code	Title	Description
2021-03-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-05-13	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
2022-05-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-06-15	17P	Request for examination filed	Effective date: 20220310
2022-06-15	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
2022-12-21	DAV	Request for validation of the european patent (deleted)
2022-12-21	DAX	Request for extension of the european patent (deleted)
2023-01-18	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: DAIKIN INDUSTRIES, LTD.
2023-07-05	P01	Opt-out of the competence of the unified patent court (upc) registered	Effective date: 20230525
2023-09-06	A4	Supplementary search report drawn up and despatched	Effective date: 20230803
2023-09-06	RIC1	Information provided on ipc code assigned before grant	Ipc: F24F 1/0011 20190101ALI20230728BHEP Ipc: F24F 120/12 20180101ALI20230728BHEP Ipc: F24F 120/10 20180101ALI20230728BHEP Ipc: F24F 11/83 20180101ALI20230728BHEP Ipc: F24F 11/81 20180101ALI20230728BHEP Ipc: F24F 11/79 20180101ALI20230728BHEP Ipc: F24F 11/755 20180101ALI20230728BHEP Ipc: F24F 11/65 20180101AFI20230728BHEP
2025-02-14	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS