Title:
OUTDOOR UNIT, AIR CONDITIONER, AND METHOD FOR DESIGNING OUTDOOR UNIT
Document Type and Number:
WIPO Patent Application WO/2022/157979
Kind Code:
A1
Abstract:
An outdoor unit (100) comprises a casing and a heat exchanger (3) housed in the casing. The heat exchanger (3) comprises a heat transfer tube through which a refrigerant flows. The refrigerant is R290. The heat transfer tube has at least 70% and less than 100% of the tube volume in comparison with if R32 were to be used as the refrigerant.
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| JPS53145144 | DOUBLE-PIPE TYPE HEAT EXCHANGER |
| WO/2022/085112 | COLD SOURCE UNIT AND REFRIGERATION CYCLE DEVICE |
Inventors:
SATO MASANORI (JP)
Application Number:
PCT/JP2021/002459
Publication Date:
July 28, 2022
Filing Date:
January 25, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B39/00; F25B1/00
Domestic Patent References:
| WO2017183068A1 | 2017-10-26 |
Foreign References:
| JP2001227822A | 2001-08-24 | |||
| JP2017053515A | 2017-03-16 | |||
| JP2004205106A | 2004-07-22 | |||
| JP2019215118A | 2019-12-19 | |||
| JPS63299830A | 1988-12-07 | |||
| JP2020153599A | 2020-09-24 | |||
| JP2001227822A | 2001-08-24 |
Other References:
See also references of EP 4283219A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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