EP3919835A4 - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- EP3919835A4 EP3919835A4 EP19912296.1A EP19912296A EP3919835A4 EP 3919835 A4 EP3919835 A4 EP 3919835A4 EP 19912296 A EP19912296 A EP 19912296A EP 3919835 A4 EP3919835 A4 EP 3919835A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- air conditioner
- conditioner
- air
- 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
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
- 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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
-
- 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
- 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
- F25B49/022—Compressor control 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
- 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
- F25B2313/023—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
-
- 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
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- 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
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/002650 WO2020157788A1 (en) | 2019-01-28 | 2019-01-28 | Air conditioner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3919835A1 EP3919835A1 (en) | 2021-12-08 |
EP3919835A4 true EP3919835A4 (en) | 2022-01-19 |
Family
ID=71840182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19912296.1A Pending EP3919835A4 (en) | 2019-01-28 | 2019-01-28 | Air conditioner |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210404710A1 (en) |
EP (1) | EP3919835A4 (en) |
JP (1) | JP7086231B2 (en) |
CN (1) | CN113302436A (en) |
WO (1) | WO2020157788A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024075235A1 (en) * | 2022-10-06 | 2024-04-11 | 三菱電機株式会社 | Air conditioning device |
KR20240061047A (en) * | 2022-10-31 | 2024-05-08 | 엘지전자 주식회사 | Air conditioner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6144259A (en) * | 1984-08-09 | 1986-03-03 | 株式会社日立製作所 | Air conditioner |
EP2378215A1 (en) * | 2009-01-15 | 2011-10-19 | Mitsubishi Electric Corporation | Air conditioner |
EP3112781A1 (en) * | 2014-02-27 | 2017-01-04 | Mitsubishi Electric Corporation | Heat source side unit and refrigeration cycle device |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639664B2 (en) | 1974-05-15 | 1981-09-14 | ||
JPS646657A (en) * | 1987-06-26 | 1989-01-11 | Matsushita Refrigeration | Multiple chamber type air conditioner |
JP2908013B2 (en) * | 1990-07-31 | 1999-06-21 | 株式会社東芝 | Air conditioner |
JP2922002B2 (en) * | 1991-02-20 | 1999-07-19 | 株式会社東芝 | Air conditioner |
JPH09229500A (en) * | 1995-12-27 | 1997-09-05 | Mando Mach Co Ltd | Air conditioner for multiple rooms |
JP4151625B2 (en) * | 2004-07-21 | 2008-09-17 | 松下電器産業株式会社 | Air conditioner |
JP5125124B2 (en) * | 2007-01-31 | 2013-01-23 | ダイキン工業株式会社 | Refrigeration equipment |
JP5611353B2 (en) * | 2010-07-29 | 2014-10-22 | 三菱電機株式会社 | heat pump |
JP6017058B2 (en) * | 2013-10-24 | 2016-10-26 | 三菱電機株式会社 | Air conditioner |
WO2015132966A1 (en) | 2014-03-07 | 2015-09-11 | 三菱電機株式会社 | Refrigeration cycle device |
CN206944520U (en) * | 2017-06-20 | 2018-01-30 | 深圳市英维克科技股份有限公司 | A kind of refrigeration system |
US10753663B2 (en) * | 2018-01-25 | 2020-08-25 | Johnson Controls Technology Company | HVAC system with multiple compressors and heat exchangers |
-
2019
- 2019-01-28 CN CN201980088167.9A patent/CN113302436A/en active Pending
- 2019-01-28 JP JP2020568881A patent/JP7086231B2/en active Active
- 2019-01-28 WO PCT/JP2019/002650 patent/WO2020157788A1/en unknown
- 2019-01-28 US US17/288,999 patent/US20210404710A1/en not_active Abandoned
- 2019-01-28 EP EP19912296.1A patent/EP3919835A4/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6144259A (en) * | 1984-08-09 | 1986-03-03 | 株式会社日立製作所 | Air conditioner |
EP2378215A1 (en) * | 2009-01-15 | 2011-10-19 | Mitsubishi Electric Corporation | Air conditioner |
EP3112781A1 (en) * | 2014-02-27 | 2017-01-04 | Mitsubishi Electric Corporation | Heat source side unit and refrigeration cycle device |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020157788A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN113302436A (en) | 2021-08-24 |
EP3919835A1 (en) | 2021-12-08 |
US20210404710A1 (en) | 2021-12-30 |
JP7086231B2 (en) | 2022-06-17 |
WO2020157788A1 (en) | 2020-08-06 |
JPWO2020157788A1 (en) | 2021-10-14 |
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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: 20210723 |
|
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: 20211221 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F25B 13/00 20060101ALI20211215BHEP Ipc: F25B 49/02 20060101ALI20211215BHEP Ipc: F25B 41/20 20210101ALI20211215BHEP Ipc: F25B 6/02 20060101ALI20211215BHEP Ipc: F25B 5/02 20060101ALI20211215BHEP Ipc: F25B 1/00 20060101AFI20211215BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |