HEAT EXCHANGER - FUJITSU GENERAL LTD

Title:

HEAT EXCHANGER

Document Type and Number:

WIPO Patent Application WO/2020/196592

Kind Code:

A1

Abstract:

This heat exchanger (5) is provided with: a plurality of flat pipes that are stacked in a direction perpendicular to the flow direction of a coolant; and a plurality of fins (111) each having a first flat pipe among the plurality of flat pipes, a second flat pipe adjacent to the first flat pipe, a first flat pipe inserting part (113A) into which the first flat pipe is inserted, and a second flat pipe inserting part (113B) into which the second flat pipe is inserted. A first fin (111) has, formed on an inner circumferential edge of the first flat pipe inserting part (113A), a cut-and-raised piece (114) for providing a fin pitch (P) between the first fin (111) and an adjacent second fin (111). The cut-and-raised piece (114) has a standing part of the same length as the fin pitch (P), and a folded back part that is folded back at the tip of the standing part and abuts the second fin (111).

Inventors:

SHIMANO DAIKI (JP)
TAKAOKA RYO (JP)
WATANABE MASATOSHI (JP)
MAEMA YOSHINARI (JP)
NAKATA SHOHEI (JP)
OKA KOTARO (JP)

Application Number:

PCT/JP2020/013238

Publication Date:

October 01, 2020

Filing Date:

March 25, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

FUJITSU GENERAL LTD (JP)

International Classes:

F28F1/02; F28F1/30; F28F1/32

Domestic Patent References:

WO2016038652A1

2016-03-17

Foreign References:

JP2005127595A	2005-05-19
JPS4815660U	1973-02-22
JP2017198440A	2017-11-02

Other References: