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Title:
METHOD FOR PRODUCING HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2018/021030
Kind Code:
A1
Abstract:
A method for producing a heat exchanger in which a plurality of tubes (9) and a corrugated fin (10) are layered is provided with: a forming step in which a corrugated fin (10) having large curve sections (13) and small curve sections (14) that curve at differing angles of curvature is formed; a layering step in which the tubes (9) and the formed corrugated fin (10) are layered; and an assembly step in which the tubes (9) are pressed in the layering direction, the corrugated fin (10) is compressed, and the corrugated fin (10) and the tubes (9) are assembled while in a state in which the angles of curvature of the large curve sections (13) are reduced and the angles of curvature of the small curve sections (14) are increased.

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Inventors:
MORI, Eiichi (2-1917 Nisshin-cho, Kita-ku, Saitama-sh, Saitama 01, 〒3318501, JP)
HAMADA, Kiyohiko (2-1917 Nisshin-cho, Kita-ku, Saitama-sh, Saitama 01, 〒3318501, JP)
Application Number:
JP2017/025450
Publication Date:
February 01, 2018
Filing Date:
July 12, 2017
Export Citation:
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Assignee:
CALSONIC KANSEI CORPORATION (2-1917, Nisshin-cho Kita-ku, Saitama-sh, Saitama 01, 〒3318501, JP)
International Classes:
F28F1/30; B21D53/08; F25B39/00; F28D1/053
Foreign References:
JPH08229615A1996-09-10
JPH0755379A1995-03-03
JP2002228379A2002-08-14
US6430983B12002-08-13
JPH06241678A1994-09-02
JPS57127183U1982-08-07
Attorney, Agent or Firm:
GOTOH & PARTNERS (Shoyu-Kaikan, 3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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