EP4160118A4 - Air conditioning system - Google Patents

Air conditioning system Download PDF

Info

Publication number
EP4160118A4
EP4160118A4 EP21814271.9A EP21814271A EP4160118A4 EP 4160118 A4 EP4160118 A4 EP 4160118A4 EP 21814271 A EP21814271 A EP 21814271A EP 4160118 A4 EP4160118 A4 EP 4160118A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
conditioning system
air
conditioning
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.)
Pending
Application number
EP21814271.9A
Other languages
German (de)
French (fr)
Other versions
EP4160118A1 (en
Inventor
Naoki Maekawa
Akihiro Shigeta
Shunichi Hashimoto
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP4160118A1 publication Critical patent/EP4160118A1/en
Publication of EP4160118A4 publication Critical patent/EP4160118A4/en
Pending legal-status Critical Current

Links

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
    • 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor 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
    • 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
    • F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started

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)
  • Air Conditioning Control Device (AREA)
EP21814271.9A 2020-05-29 2021-04-26 Air conditioning system Pending EP4160118A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020094409A JP7462186B2 (en) 2020-05-29 2020-05-29 Air Conditioning System
PCT/JP2021/016678 WO2021241108A1 (en) 2020-05-29 2021-04-26 Air conditioning system

Publications (2)

Publication Number Publication Date
EP4160118A1 EP4160118A1 (en) 2023-04-05
EP4160118A4 true EP4160118A4 (en) 2023-11-15

Family

ID=78744491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21814271.9A Pending EP4160118A4 (en) 2020-05-29 2021-04-26 Air conditioning system

Country Status (3)

Country Link
EP (1) EP4160118A4 (en)
JP (1) JP7462186B2 (en)
WO (1) WO2021241108A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4735557B2 (en) * 2007-02-02 2011-07-27 ダイキン工業株式会社 Refrigeration equipment
JP5089759B2 (en) * 2010-12-03 2012-12-05 三菱電機株式会社 Refrigeration equipment
JP2013122364A (en) * 2011-11-07 2013-06-20 Mitsubishi Electric Corp Refrigeration and air conditioning device and refrigeration and air conditioning system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3109502B2 (en) 1998-12-28 2000-11-20 ダイキン工業株式会社 Refrigerant recovery method and refrigerant recovery device
JP2004232934A (en) 2003-01-29 2004-08-19 Fujitsu General Ltd Method of controlling multiple type air conditioner
WO2016157519A1 (en) 2015-04-03 2016-10-06 三菱電機株式会社 Air-conditioning device
JP2019143877A (en) 2018-02-21 2019-08-29 株式会社富士通ゼネラル Air conditioning system
JP2020094409A (en) 2018-12-12 2020-06-18 三菱電機株式会社 Light-shielding system, light-shielding metal fitting, and method for constructing light-shielding system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4735557B2 (en) * 2007-02-02 2011-07-27 ダイキン工業株式会社 Refrigeration equipment
JP5089759B2 (en) * 2010-12-03 2012-12-05 三菱電機株式会社 Refrigeration equipment
JP2013122364A (en) * 2011-11-07 2013-06-20 Mitsubishi Electric Corp Refrigeration and air conditioning device and refrigeration and air conditioning system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021241108A1 *

Also Published As

Publication number Publication date
EP4160118A1 (en) 2023-04-05
WO2021241108A1 (en) 2021-12-02
JP7462186B2 (en) 2024-04-05
JP2021188826A (en) 2021-12-13

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DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20231012

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 49/02 20060101ALI20231006BHEP

Ipc: F25B 13/00 20060101ALI20231006BHEP

Ipc: F24F 11/32 20180101ALI20231006BHEP

Ipc: F25B 1/00 20060101ALI20231006BHEP

Ipc: F25B 45/00 20060101AFI20231006BHEP