EP4455578A4 - AIR CONDITIONING DEVICE - Google Patents

AIR CONDITIONING DEVICE

Info

Publication number: EP4455578A4
Authority: EP; European Patent Office
Prior art keywords: air conditioning; conditioning device; air; conditioning
Prior art date: 2021-12-20
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP21968784.5A

Other languages

German (de)

French (fr)

Other versions

EP4455578A1 (en

Inventor

Nobuhiro Wada

Kazuyoshi Shinozaki

Hiroyuki Okano

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.)

2021-12-20

Filing date

2021-12-20

Publication date

2025-01-15

2021-12-20 Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp

2024-10-30 Publication of EP4455578A1 publication Critical patent/EP4455578A1/en

2025-01-15 Publication of EP4455578A4 publication Critical patent/EP4455578A4/en

Status Withdrawn legal-status Critical Current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
- 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
- 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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to 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
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- 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
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
- 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
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/221—Preventing leaks from developing
- 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
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
- 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
- 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
- F25B2600/2519—On-off 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Other Air-Conditioning Systems (AREA)

EP21968784.5A 2021-12-20 2021-12-20 AIR CONDITIONING DEVICE Withdrawn EP4455578A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2021/046919 WO2023119346A1 (en)	2021-12-20	2021-12-20	Air-conditioning device

Publications (2)

Publication Number	Publication Date
EP4455578A1 EP4455578A1 (en)	2024-10-30
EP4455578A4 true EP4455578A4 (en)	2025-01-15

Family

ID=86901541

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21968784.5A Withdrawn EP4455578A4 (en)	2021-12-20	2021-12-20	AIR CONDITIONING DEVICE

Country Status (4)

Country	Link
US (1)	US20240401827A1 (en)
EP (1)	EP4455578A4 (en)
JP (1)	JPWO2023119346A1 (en)
WO (1)	WO2023119346A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20240059124A1 (en) *	2022-08-17	2024-02-22	B/E Aerospace, Inc.	Systems and methods for mitigating leaking flammable refrigerants
CN115493250A (en) *	2022-11-01	2022-12-20	叁九科技(杭州)有限公司	A refrigerant leakage detection system in an air-conditioning system and its control method
JP2025060266A (en) *	2023-09-29	2025-04-10	ダイキン工業株式会社	Air conditioner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9335078B1 (en) *	2013-03-26	2016-05-10	Gregory D. Buggs, Sr.	Air conditioning system
GB2566201A (en) *	2016-07-15	2019-03-06	Mitsubishi Electric Corp	Air conditioning device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2000097527A (en)	1998-09-21	2000-04-04	Mitsubishi Heavy Ind Ltd	Air conditioner and its control method
JP4440762B2 (en) *	2004-12-28	2010-03-24	東京電力株式会社	Refrigerator measuring device
JP2010139138A (en) *	2008-12-10	2010-06-24	Daikin Ind Ltd	Air conditioner
JP5529175B2 (en) *	2012-01-11	2014-06-25	千代田空調機器株式会社	Valve device and method for manufacturing valve device
JP2013181695A (en) *	2012-03-01	2013-09-12	Fujitsu General Ltd	Air conditioning device
JP6974691B2 (en) *	2017-01-16	2021-12-01	ダイキン工業株式会社	Refrigerating device with a refrigerant opening
JP7182361B2 (en) *	2017-12-25	2022-12-02	ダイキン工業株式会社	refrigeration equipment
JP2019219089A (en) *	2018-06-18	2019-12-26	ダイキン工業株式会社	Closing valve and heat source unit

2021
- 2021-12-20 EP EP21968784.5A patent/EP4455578A4/en not_active Withdrawn
- 2021-12-20 US US18/699,649 patent/US20240401827A1/en active Pending
- 2021-12-20 JP JP2023568762A patent/JPWO2023119346A1/ja active Pending
- 2021-12-20 WO PCT/JP2021/046919 patent/WO2023119346A1/en active Application Filing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9335078B1 (en) *	2013-03-26	2016-05-10	Gregory D. Buggs, Sr.	Air conditioning system
GB2566201A (en) *	2016-07-15	2019-03-06	Mitsubishi Electric Corp	Air conditioning device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Danfoss shut-off ball valves, type GBC, are manually operated shut-off valves suitable for bi-directional flow", 1 October 2015 (2015-10-01), pages 1 - 6, XP093231897, Retrieved from the Internet <URL:https://www.refrigeration.lt/uploads/Products/product_17865/Danfoss_shut-off_ball_valves_GBC.pdf> [retrieved on 20241206] *
See also references of WO2023119346A1 *

Also Published As

Publication number	Publication date
WO2023119346A1 (en)	2023-06-29
EP4455578A1 (en)	2024-10-30
US20240401827A1 (en)	2024-12-05
JPWO2023119346A1 (en)	2023-06-29

Publication	Publication Date	Title
EP3779318A4 (en)	2021-03-31	AIR CONDITIONING DEVICE
EP4145058C0 (en)	2024-11-13	AIR CONDITIONING CONTROL DEVICE
EP3872428A4 (en)	2022-01-05	INDOOR AIR CONDITIONING DEVICE
EP3936785A4 (en)	2022-04-13	AIR CONDITIONING DEVICE
EP4455578A4 (en)	2025-01-15	AIR CONDITIONING DEVICE
EP3869113C0 (en)	2024-10-09	AIR CONDITIONING DEVICE
EP3869123C0 (en)	2024-04-03	AIR CONDITIONING DEVICE
EP3647688A4 (en)	2021-04-21	AIR CONDITIONING DEVICE
EP3406982A4 (en)	2019-10-02	AIR CONDITIONING DEVICE
EP3719409A4 (en)	2021-03-31	AIR CONDITIONING DEVICE
EP3748787C0 (en)	2023-10-25	WIRING DEVICE AND AIR CONDITIONER
EP3534081A4 (en)	2019-09-11	DIAGNOSTIC DEVICE FOR DETERIORATION AND AIR CONDITIONER
EP4253849A4 (en)	2024-01-17	AIR CONDITIONING DEVICE
EP3778270A4 (en)	2021-05-26	VEHICLE AIR CONDITIONING DEVICE AND VEHICLE EQUIPPED WITH VEHICLE AIR CONDITIONING DEVICE
EP3954951A4 (en)	2022-11-16	AIR CONDITIONING DEVICE
EP3889522A4 (en)	2022-08-10	AIR CONDITIONING DEVICE
EP3764009A4 (en)	2021-03-10	AIR CONDITIONING DEVICE
EP4336114A4 (en)	2024-06-12	AIR CONDITIONING CONTROL DEVICE
EP4074529A4 (en)	2023-06-21	VEHICLE AIR CONDITIONING DEVICE
EP4368914A4 (en)	2024-08-14	AIR CONDITIONING DEVICE
EP4357690A4 (en)	2024-07-31	AIR CONDITIONING DEVICE
EP3951285A4 (en)	2022-12-28	AIR CONDITIONING DEVICE
EP3988853A4 (en)	2023-07-05	AIR CONDITIONING DEVICE
EP3919834A4 (en)	2022-02-23	AIR CONDITIONING DEVICE
EP3693197A4 (en)	2021-06-02	AIR CONDITIONING DEVICE

Legal Events

Date	Code	Title	Description
2023-07-01	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2024-09-27	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
2024-09-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2024-10-30	17P	Request for examination filed	Effective date: 20240613
2024-10-30	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
2025-01-15	A4	Supplementary search report drawn up and despatched	Effective date: 20241216
2025-01-15	RIC1	Information provided on ipc code assigned before grant	Ipc: F24F 11/36 20180101ALI20241210BHEP Ipc: F25B 49/02 20060101AFI20241210BHEP
2025-01-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2025-02-19	18W	Application withdrawn	Effective date: 20250115