Title:
METHOD FOR MANUFACTURING HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2022/054408
Kind Code:
A1
Abstract:
This method for manufacturing an outdoor heat exchanger 11 includes: a first step for bending fins 50 in the front-back direction X at the position of each opening 51 in the vertical direction Z; a second step for inserting multi-hole pipes 40 into each opening 51 of the bent fins 50; and a third step for applying force in the vertical direction Z to the fins 50 into the openings 51 of which the multi-hole pipes 40 have been inserted, and thereby bending the fins 50 in the front-back direction X at the position of each opening 51.
Inventors:
YAMADA KOUJU (JP)
ODA TAKAYA (JP)
SHIMIZU MOTOFUMI (JP)
ORITANI YOSHIO (JP)
TSURUMOTO YUUMA (JP)
SATOU KEN (JP)
ODA TAKAYA (JP)
SHIMIZU MOTOFUMI (JP)
ORITANI YOSHIO (JP)
TSURUMOTO YUUMA (JP)
SATOU KEN (JP)
Application Number:
PCT/JP2021/026827
Publication Date:
March 17, 2022
Filing Date:
July 16, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
B21D53/08; B21D19/08; B21D28/26; F25B39/00; F28F1/02; F28F1/32
Foreign References:
| JPH0599581A | 1993-04-20 | |||
| JP2003262484A | 2003-09-19 | |||
| US1416570A | 1922-05-16 | |||
| US5501270A | 1996-03-26 | |||
| JPH04227479A | 1992-08-17 | |||
| JPH1078295A | 1998-03-24 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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