Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2024/053300
Kind Code:
A1
Abstract:
This heat exchanger comprises: a tube having an inner surface facing an inner channel in which discharged gas discharged from an engine can flow, and an outer surface facing an outer channel in which cooling water for performing heat exchange with the discharged gas can flow, the tube extending along the flow direction of the discharged gas; and a riblet structure that is provided to the inner surface of the tube and has a plurality of protrusions extending along the extension direction of the tube. The riblet structure has a bottom wall surface, at a bottom section between two adjacent protrusions of the plurality of protrusions, the bottom wall surface extending along the inner surface of the tube.
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Inventors:
HIRASAWA KOKI (JP)
Application Number:
PCT/JP2023/028408
Publication Date:
March 14, 2024
Filing Date:
August 03, 2023
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
F28F1/00; F02M26/28; F02M26/29; F28D7/10; F28F1/10; F28F1/40
Domestic Patent References:
| WO2003095923A1 | 2003-11-20 | |||
| WO2010098321A1 | 2010-09-02 |
Foreign References:
| JPH10267578A | 1998-10-09 | |||
| JP2002054511A | 2002-02-20 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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