Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/105566
Kind Code:
A1
Abstract:
This heat exchanger comprises a heat transfer tube extending in a second direction intersecting a first direction in which the gas flows, and fins provided on the heat transfer tube and having surfaces along the first direction and the second direction, wherein the fin includes a first extending portion provided on the gas upstream side of the heat transfer tube in the first direction and having a first heat transfer promoting region that improves the heat transfer coefficient, and a second extending portion provided on the gas downstream side of the heat transfer tube in the first direction and having a second heat transfer promoting region that improves the heat transfer coefficient.
Inventors:
MAEDA TSUYOSHI (JP)
NAKAMURA SHIN (JP)
MORITA ATSUSHI (JP)
NAKAMURA SHIN (JP)
MORITA ATSUSHI (JP)
Application Number:
PCT/JP2021/044701
Publication Date:
June 15, 2023
Filing Date:
December 06, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F1/32; F28F13/12; F28D1/053
Domestic Patent References:
| WO2020044391A1 | 2020-03-05 | |||
| WO2019026243A1 | 2019-02-07 |
Foreign References:
| JPS6237692A | 1987-02-18 | |||
| JP2003247795A | 2003-09-05 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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