Title:
熱交換器
Document Type and Number:
Japanese Patent JP6881550
Kind Code:
B2
Abstract:
To suppress increase of pressure loss when a refrigerant flows in each of refrigerant flow channels and to easily perform a bending work in a width direction of flat tubes, in a heat exchanger in which the plurality of refrigerant flow channels are formed inside of the flat tubes.SOLUTION: A plurality of row portions (30, 40) having a plurality of flat tubes (31, 41) are arranged in an air passing direction, the plurality of row portions (30, 40) are constituted so that a refrigerant flows in parallel in each of flat tubes (31, 41) between the plurality of row portions (30, 40), the flat tubes (31, 41) of the plurality of row portions (30, 40) respectively have one or more bent portions (33a, 33b, 33c) bent in a width direction of the flat tubes (31, 41) in a manner that the flat tubes (31, 41) of the row portions (30, 40) adjacent to each other are along to each other in the air passing direction.SELECTED DRAWING: Figure 2
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Inventors:
Masanori Kondo
Yoshio Oriya
Shun Yoshioka
Yoshio Oriya
Shun Yoshioka
Application Number:
JP2019201266A
Publication Date:
June 02, 2021
Filing Date:
November 06, 2019
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F28F1/32; F25B39/00; F28D1/047; F28F1/02
Domestic Patent References:
| JP2014211292A | ||||
| JP2003232541A | ||||
| JP6123587A | ||||
| JP2205251A | ||||
| JP4116385A | ||||
| JP2016038192A |
Foreign References:
| WO2013160951A1 | ||||
| WO2013098872A1 | ||||
| US20090084131 | ||||
| CN203274572U | ||||
| CN102679463A | ||||
| CN103988026A | ||||
| US20100006276 | ||||
| WO2016121119A1 |
Attorney, Agent or Firm:
Maeda patent office