Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2024/034584
Kind Code:
A1
Abstract:
A heat exchanger (10) comprises a heat transfer pipe (20) and a plurality of fins (30). The heat transfer pipe (20) extends in a first direction. The fins (30) include a main body portion (31) and a collar portion (32). The collar portion (32) includes a first portion (33), a second portion (34), and a third portion (35). The first portion (33) extends from the main body portion (31) in the first direction. The second portion (34) extends from the first portion (33) toward the heat transfer pipe (20). The third portion (35) extends from the second portion (34) in the first direction. The second portion (34) of a first fin (131) is in contact with a tip end portion of the collar portion (32) of an adjacent second fin (132). The second portion (34) includes a part in which a distance between an inner peripheral surface (34a) and an outer peripheral surface (34b) is a first dimension (L1) and a part in which said distance is a second dimension (L2), as seen from the first direction. The second dimension (L2) is larger than the first dimension (L1).
More Like This:
| JPH02192597 | HEAT EXCHANGER |
| JPH11337281 | FINNED HEAT EXCHANGER |
Inventors:
OKUNO AYA
NAKANO HIROYUKI
IMAZU KEISUKE
ANJU KENTARO
HISAMOTO KENTA
NAKANO HIROYUKI
IMAZU KEISUKE
ANJU KENTARO
HISAMOTO KENTA
Application Number:
PCT/JP2023/028822
Publication Date:
February 15, 2024
Filing Date:
August 07, 2023
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F28F1/32; F25B39/02
Foreign References:
| JP2008111646A | 2008-05-15 | |||
| JPH09119792A | 1997-05-06 | |||
| US5752567A | 1998-05-19 | |||
| JPH0886584A | 1996-04-02 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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