EP4060257A4 - Air conditioning device - Google Patents

Air conditioning device Download PDF

Info

Publication number
EP4060257A4
EP4060257A4 EP19952846.4A EP19952846A EP4060257A4 EP 4060257 A4 EP4060257 A4 EP 4060257A4 EP 19952846 A EP19952846 A EP 19952846A EP 4060257 A4 EP4060257 A4 EP 4060257A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
conditioning device
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.)
Withdrawn
Application number
EP19952846.4A
Other languages
German (de)
French (fr)
Other versions
EP4060257A1 (en
Inventor
Komei NAKAJIMA
Kazuhide Yamamoto
Yoshiyuki Tada
Masakazu Kondo
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4060257A1 publication Critical patent/EP4060257A1/en
Publication of EP4060257A4 publication Critical patent/EP4060257A4/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0313—Pressure sensors near the outdoor heat exchanger
    • 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
    • F25B2313/031—Sensor arrangements
    • F25B2313/0314—Temperature sensors near the indoor heat exchanger
    • 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2600/2513—Expansion valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
EP19952846.4A 2019-11-15 2019-11-15 Air conditioning device Withdrawn EP4060257A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/044892 WO2021095238A1 (en) 2019-11-15 2019-11-15 Air conditioning device

Publications (2)

Publication Number Publication Date
EP4060257A1 EP4060257A1 (en) 2022-09-21
EP4060257A4 true EP4060257A4 (en) 2022-11-16

Family

ID=75912976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19952846.4A Withdrawn EP4060257A4 (en) 2019-11-15 2019-11-15 Air conditioning device

Country Status (3)

Country Link
EP (1) EP4060257A4 (en)
JP (1) JP7386886B2 (en)
WO (1) WO2021095238A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023032126A1 (en) * 2021-09-02 2023-03-09 三菱電機株式会社 Differential pressure sensor and refrigeration cycle device equipped with differential pressure sensor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008249157A (en) * 2007-03-29 2008-10-16 Saginomiya Seisakusho Inc Reversible thermostatic expansion valve
JP2010007994A (en) * 2008-06-27 2010-01-14 Daikin Ind Ltd Air conditioning device and refrigerant amount determining method of air conditioner
JP2016211832A (en) * 2015-04-28 2016-12-15 ダイキン工業株式会社 Use-side unit and freezer
WO2018159321A1 (en) * 2017-03-02 2018-09-07 株式会社デンソー Ejector module
JP2019138614A (en) * 2018-02-08 2019-08-22 株式会社デンソー Ejector-type refrigeration cycle and flow rate regulation valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3601130B2 (en) * 1995-10-06 2004-12-15 株式会社デンソー Refrigeration equipment
JP2007085612A (en) * 2005-09-21 2007-04-05 Sanden Corp Refrigerant flow rate measuring method and air conditioner
JP2008039760A (en) * 2006-07-14 2008-02-21 Denso Corp Pressure sensor
US8827546B2 (en) * 2008-09-05 2014-09-09 Danfoss A/S Method for calibrating a superheat sensor
JP5693328B2 (en) * 2011-03-31 2015-04-01 中野冷機株式会社 Refrigeration apparatus and refrigerant leakage detection method for refrigeration apparatus
WO2014103407A1 (en) * 2012-12-28 2014-07-03 三菱電機株式会社 Air-conditioning device
JP6238876B2 (en) 2014-11-21 2017-11-29 三菱電機株式会社 Refrigeration cycle equipment
JP2019035534A (en) * 2017-08-11 2019-03-07 株式会社デンソー Refrigeration cycle device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008249157A (en) * 2007-03-29 2008-10-16 Saginomiya Seisakusho Inc Reversible thermostatic expansion valve
JP2010007994A (en) * 2008-06-27 2010-01-14 Daikin Ind Ltd Air conditioning device and refrigerant amount determining method of air conditioner
JP2016211832A (en) * 2015-04-28 2016-12-15 ダイキン工業株式会社 Use-side unit and freezer
WO2018159321A1 (en) * 2017-03-02 2018-09-07 株式会社デンソー Ejector module
JP2019138614A (en) * 2018-02-08 2019-08-22 株式会社デンソー Ejector-type refrigeration cycle and flow rate regulation valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021095238A1 *

Also Published As

Publication number Publication date
JPWO2021095238A1 (en) 2021-05-20
JP7386886B2 (en) 2023-11-27
EP4060257A1 (en) 2022-09-21
WO2021095238A1 (en) 2021-05-20

Similar Documents

Publication Publication Date Title
EP3779324A4 (en) Air conditioner
EP3779318A4 (en) Air conditioning device
EP3809066A4 (en) Air conditioner
EP3714214A4 (en) Air conditioner
EP3795913A4 (en) Air conditioner
EP3795912A4 (en) Air conditioner
EP3739274A4 (en) Air conditioner
EP3751211A4 (en) Air conditioner
EP3751217A4 (en) Air conditioner
EP3578904A4 (en) Air conditioner
EP3779305A4 (en) Air conditioner
EP3933301A4 (en) Air conditioning device
EP3701196A4 (en) Air conditioner
EP3794288A4 (en) Air conditioner
EP3585635A4 (en) An air conditioning unit
EP3779308A4 (en) Air conditioning device
EP3779298A4 (en) Air conditioner
EP3760939A4 (en) Air conditioner
EP3779307A4 (en) Air conditioner
EP3789690A4 (en) Air conditioning device
EP3764009A4 (en) Air conditioning device
EP3760936A4 (en) Air conditioning device
EP3901527A4 (en) Air conditioning device
EP3889522A4 (en) Air conditioning device
EP3919843A4 (en) In-box air conditioning device

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: 20220504

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

A4 Supplementary search report drawn up and despatched

Effective date: 20221018

RIC1 Information provided on ipc code assigned before grant

Ipc: G01L 9/00 20060101ALI20221012BHEP

Ipc: F25B 13/00 20060101ALI20221012BHEP

Ipc: F25B 49/02 20060101AFI20221012BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20240830