EP4450884A4 - FAN, AIR CONDITIONING SYSTEM, VENTILATION METHOD AND VENTILATION SYSTEM - Google Patents

FAN, AIR CONDITIONING SYSTEM, VENTILATION METHOD AND VENTILATION SYSTEM

Info

Publication number
EP4450884A4
EP4450884A4 EP22906963.8A EP22906963A EP4450884A4 EP 4450884 A4 EP4450884 A4 EP 4450884A4 EP 22906963 A EP22906963 A EP 22906963A EP 4450884 A4 EP4450884 A4 EP 4450884A4
Authority
EP
European Patent Office
Prior art keywords
ventilation
fan
air conditioning
conditioning system
ventilation method
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.)
Granted
Application number
EP22906963.8A
Other languages
German (de)
French (fr)
Other versions
EP4450884B1 (en
EP4450884A1 (en
Inventor
Takashi Takahashi
Tsunahiro Odo
Shota TSURUZONO
Nobuki Matsui
Takuya Hanada
Naotoshi FUJITA
Yoshiki YAMANOI
Yuta IYOSHI
Kumiko Saeki
Takeru MIYAZAKI
Toshiyuki Maeda
Tetsuya Okamoto
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 EP4450884A1 publication Critical patent/EP4450884A1/en
Publication of EP4450884A4 publication Critical patent/EP4450884A4/en
Application granted granted Critical
Publication of EP4450884B1 publication Critical patent/EP4450884B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/43Defrosting; Preventing freezing of indoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/81Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • F24F11/84Control 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 using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/002Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP22906963.8A 2021-12-17 2022-09-30 Ventilation apparatus Active EP4450884B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021205609 2021-12-17
JP2021204798 2021-12-17
PCT/JP2022/036876 WO2023112428A1 (en) 2021-12-17 2022-09-30 Ventilator, air-conditioning system, ventilation method, and ventilation system

Publications (3)

Publication Number Publication Date
EP4450884A1 EP4450884A1 (en) 2024-10-23
EP4450884A4 true EP4450884A4 (en) 2025-03-05
EP4450884B1 EP4450884B1 (en) 2026-02-25

Family

ID=86774342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22906963.8A Active EP4450884B1 (en) 2021-12-17 2022-09-30 Ventilation apparatus

Country Status (4)

Country Link
US (1) US20240337401A1 (en)
EP (1) EP4450884B1 (en)
JP (1) JPWO2023112428A1 (en)
WO (1) WO2023112428A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11592215B2 (en) 2018-08-29 2023-02-28 Waterfurnace International, Inc. Integrated demand water heating using a capacity modulated heat pump with desuperheater
JP7436877B2 (en) * 2021-12-17 2024-02-22 ダイキン工業株式会社 Ventilation equipment and ventilation methods
US12529489B2 (en) * 2022-07-11 2026-01-20 Rheem Manufacturing Company Enhanced heat pump defrost without use of auxiliary heat
KR102728188B1 (en) * 2024-09-20 2024-11-11 주식회사 에코이엔지 Control method and ventilation system of individual ventilation device that operates in conjunction with external information.
JP7845518B1 (en) * 2025-01-08 2026-04-14 積水ハウス株式会社 Room temperature control method, room temperature control device, program, and room temperature control system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100043A1 (en) * 2007-08-31 2011-05-05 Panasonic Corporation Air conditioning/ventilating system
JP5262251B2 (en) * 2008-04-02 2013-08-14 パナソニック株式会社 Ventilation air conditioner
US20210108805A1 (en) * 2018-04-02 2021-04-15 Mitsubishi Electric Corporation Air conditioner ventilation device and air conditioner ventilation method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829504A (en) * 1956-06-25 1958-04-08 Ralph C Schlichtig Air conditioning system for dwellings
JPS6136641A (en) * 1984-07-26 1986-02-21 Matsushita Electric Ind Co Ltd Air conditioning and air ventilation device
JPH0320573A (en) 1989-06-19 1991-01-29 Sanyo Electric Co Ltd Air-conditioning apparatus
JP2808468B2 (en) * 1990-01-19 1998-10-08 松下電器産業株式会社 Control device for air conditioner
EP0540565A1 (en) * 1990-07-20 1993-05-12 Phoenix Energy Systems Inc. Heating and cooling system for air space in a building
JP4124217B2 (en) * 2005-07-27 2008-07-23 ダイキン工業株式会社 Heat exchange unit
WO2012014345A1 (en) * 2010-07-29 2012-02-02 三菱電機株式会社 Heat pump
US8915092B2 (en) * 2011-01-19 2014-12-23 Venmar Ces, Inc. Heat pump system having a pre-processing module
JP5504211B2 (en) * 2011-06-02 2014-05-28 エスペック株式会社 ENVIRONMENT CONTROL DEVICE AND ENVIRONMENT CONTROL METHOD
SE537022C2 (en) * 2012-12-21 2014-12-09 Fläkt Woods AB Process and apparatus for defrosting an evaporator wide air handling unit
US10584884B2 (en) * 2013-03-15 2020-03-10 Nortek Air Solutions Canada, Inc. Control system and method for a liquid desiccant air delivery system
JP5999171B2 (en) * 2014-12-26 2016-09-28 ダイキン工業株式会社 Air conditioner
JP2017223425A (en) * 2016-06-17 2017-12-21 株式会社デンソー Heat pump system
WO2018025369A1 (en) * 2016-08-04 2018-02-08 三菱電機株式会社 Ventilation device and defrosting control method
WO2020053929A1 (en) * 2018-09-10 2020-03-19 三菱電機株式会社 Air conditioning device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100043A1 (en) * 2007-08-31 2011-05-05 Panasonic Corporation Air conditioning/ventilating system
JP5262251B2 (en) * 2008-04-02 2013-08-14 パナソニック株式会社 Ventilation air conditioner
US20210108805A1 (en) * 2018-04-02 2021-04-15 Mitsubishi Electric Corporation Air conditioner ventilation device and air conditioner ventilation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023112428A1 *

Also Published As

Publication number Publication date
WO2023112428A1 (en) 2023-06-22
JPWO2023112428A1 (en) 2023-06-22
US20240337401A1 (en) 2024-10-10
EP4450884B1 (en) 2026-02-25
EP4450884A1 (en) 2024-10-23

Similar Documents

Publication Publication Date Title
EP4450884A4 (en) FAN, AIR CONDITIONING SYSTEM, VENTILATION METHOD AND VENTILATION SYSTEM
EP4245582A4 (en) VEHICLE AIR CONDITIONING SYSTEM AND VEHICLE AIR CONDITIONING METHOD
EP3805653A4 (en) VENTILATION SYSTEM, AIR CONDITIONING SYSTEM, AND AIR CONDITIONING SYSTEM INSTALLATION PROCESS
EP4040060A4 (en) AIR CONDITIONING AND VENTILATION SYSTEM
EP4184070A4 (en) VENTILATION SYSTEM, INTEGRATED AIR CONDITIONING SYSTEM AND ASSOCIATED CONTROL METHOD
EP4040088A4 (en) AIR CONDITIONING AND VENTILATION SYSTEM
EP4317848A4 (en) AIR CONDITIONING SYSTEM, ANOMALY ESTIMATION METHOD FOR AIR CONDITIONING SYSTEM, AIR CONDITIONER, AND ANOMALY ESTIMATION METHOD FOR AIR CONDITIONER
EP4049268A4 (en) APPARATUS, SYSTEM AND METHOD FOR ACTIVE NOISE CONTROL (ANC) BASED ON HEATING, VENTILATION AND AIR CONDITIONING (HVAC) SYSTEMS CONFIGURATION
EP4083539A4 (en) AIR CONDITIONING SYSTEM
EP3584505A4 (en) EXTERIOR AIR CONDITIONER AND VENTILATION SYSTEM
EP4190663A4 (en) AIR CONDITIONER AND DEHUMIDIFICATION PROCESS
EP3770521A4 (en) AIR CONDITIONING SYSTEM AND COMMUNICATION PROCESS
EP4215830A4 (en) SUPPLEMENTARY FAN SELECTION METHOD, SUPPLEMENTARY FAN AND AIR CONDITIONER SELECTION METHOD, AND AIR CONDITIONER VENTILATION SYSTEM
EP4119176A4 (en) RESPIRATORY VENTILATION SYSTEM AND METHOD
EP4170251A4 (en) AIR CONDITIONING SYSTEM, CLIMATE CONTROL DEVICE, AIR CONDITIONING SYSTEM AND CLIMATE CONTROL METHOD
EP4289646A4 (en) AIR CONDITIONING VENT, AIR CONDITIONING SYSTEM, AND VEHICLE
EP4086539A4 (en) AIR CONDITIONING SYSTEM
EP3875865A4 (en) FAN, HUMIDIFIER AND AIR CONDITIONING SYSTEM
EP4502485A4 (en) AIR CONDITIONING SYSTEM, AIR CONDITIONING DEVICE AND CONTROL METHOD
EP4105571A4 (en) AIR CONDITIONING SYSTEM AND PROCESS
EP4471345A4 (en) AIR CONDITIONING CONTROL SYSTEM AND PROCESS
EP4131986A4 (en) AIR CONDITIONING SYSTEM
EP4320393C0 (en) AIR DEHUMIDIFICATION SYSTEM AND METHOD
EP4067765A4 (en) AIR CONDITIONING SYSTEM AND CONTROL METHOD
EP4560215A4 (en) CONTROL DEVICE, CONTROL METHOD AND AIR CONDITIONING SYSTEM

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240702

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

P01 Opt-out of the competence of the unified patent court (upc) registered

Free format text: CASE NUMBER: APP_1061/2025

Effective date: 20250108

A4 Supplementary search report drawn up and despatched

Effective date: 20250204

RIC1 Information provided on ipc code assigned before grant

Ipc: F24F 7/08 20060101ALI20250130BHEP

Ipc: F24F 7/007 20060101ALI20250130BHEP

Ipc: F24F 140/20 20180101ALI20250130BHEP

Ipc: F24F 140/12 20180101ALI20250130BHEP

Ipc: F24F 110/12 20180101ALI20250130BHEP

Ipc: F24F 110/10 20180101ALI20250130BHEP

Ipc: F24F 11/86 20180101ALI20250130BHEP

Ipc: F24F 11/79 20180101ALI20250130BHEP

Ipc: F24F 11/41 20180101AFI20250130BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20250819

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

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

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

INTC Intention to grant announced (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

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

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20251031

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

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

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

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

REG Reference to a national code

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260225

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602022031372

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D