Title:
RADIATOR
Document Type and Number:
WIPO Patent Application WO/2024/084812
Kind Code:
A1
Abstract:
A radiator according to the present disclosure includes a first tank (2), a second tank (3), and a core part (10) that performs heat exchange between liquid and air, wherein the core part (10) is provided with a tube (11) into which liquid can be introduced. The tube (11) has a flat outer tube (21) and an inner fin (22). The inner surface of the outer tube (21) includes a pair of opposing flat portions (21a). The inner fin (22) includes a plurality of heat exchange sections (22a) provided so as to alternately contact one flat portion (21a) and the other flat portion (21a) of the outer tube (21) in a cross-sectional view of the tube (11), and bridging sections (22b) that connect the plurality of heat exchange sections (22a). Where the contact length of one heat exchange section (22a) with the flat portion (21a) is denoted by l, and the distance between the opposing flat portions (21a) is denoted by h, then l/h is 0.5-2.75.
Inventors:
YOSHIMITSU MASAKI (JP)
OHTAKA TSUYOSHI (JP)
NISHIMOTO KEIGO (JP)
SUZUKI TAKUMA (JP)
OHTAKA TSUYOSHI (JP)
NISHIMOTO KEIGO (JP)
SUZUKI TAKUMA (JP)
Application Number:
PCT/JP2023/030801
Publication Date:
April 25, 2024
Filing Date:
August 25, 2023
Export Citation:
Assignee:
TOKYO RADIATOR SEIZO KK (JP)
International Classes:
F28F1/40; F28D1/053; F28F1/02
Domestic Patent References:
| WO2022220192A1 | 2022-10-20 |
Foreign References:
| JP2007248014A | 2007-09-27 | |||
| JP2005121296A | 2005-05-12 | |||
| JP2007178010A | 2007-07-12 | |||
| JP2021063595A | 2021-04-22 |
Attorney, Agent or Firm:
SHIN-EI, P.C. (JP)
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