Title:
MANUFACTURING METHOD FOR HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2024/042772
Kind Code:
A1
Abstract:
Provided is a manufacturing method for a heat exchanger (1) that includes a plurality of fins (10) arranged in the thickness direction and a plurality of heat exchanger pipes (30) that pass through the plurality of fins (10), the heat exchanger pipes (30) being made of aluminum. The manufacturing method includes: a connection step for connecting a first opening end (31) of opening ends (31, 32) of each of the heat exchanger pipes (30) protruding from the fins (10), with an aluminum first connecting pipe (41); and a first brazing step for heating the periphery of a first connection section (43) between the first opening end (31) and the first connecting pipe (41) with a movable first burner (61), thereby brazing the first connection section (43).
Inventors:
ICHIKAWA NOBUYASU (JP)
KUBO HIRONORI (JP)
OMAKI TATSUYA (JP)
KOUYAMA RYOU (JP)
YABUUCHI FUMIO (JP)
KUBO HIRONORI (JP)
OMAKI TATSUYA (JP)
KOUYAMA RYOU (JP)
YABUUCHI FUMIO (JP)
Application Number:
PCT/JP2023/014994
Publication Date:
February 29, 2024
Filing Date:
April 13, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
B23K1/00; F28D1/053
Domestic Patent References:
| WO2021100173A1 | 2021-05-27 | |||
| WO2017018438A1 | 2017-02-02 |
Foreign References:
| JP2010172943A | 2010-08-12 | |||
| JP2009148807A | 2009-07-09 | |||
| JPH06297141A | 1994-10-25 | |||
| JP2003039164A | 2003-02-12 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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