COOLING DEVICE - FURUKAWA ELECTRIC CO LTD

Title:

COOLING DEVICE

Document Type and Number:

WIPO Patent Application WO/2019/131834

Kind Code:

A1

Abstract:

Provided is a cooling device capable of improving bonding reliability between a base block and a heat pipe, while reducing environmental load, and capable of achieving both excellent contact heat transfer coefficient and vibration resistance. A cooling device (1) is provided with: a base block (10) having a rear surface section (10a) thermally connected to an electric component (300), i.e., a heat generating body; a heat pipe group (20) comprising a plurality of heat pipes (21) each having a first cylindrical section (21a), which is fixed to a front surface section (10b) of the base block (10), and which is disposed in the in-plane direction of the base block (10), and a second cylindrical section (21b), which is connected to the first cylindrical section (21a), and which stands from the base block (10); and a fin group (30) comprising a plurality of fins (31, 31, and so on) that are fixed by being aligned in parallel to each other in the standing direction of the heat pipe group (20).

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Inventors:

SASAKI CHIYOSHI (JP)
ISEMURA MASAKAZU (JP)
KATAYAMA TAKAHIRO (JP)

Application Number:

PCT/JP2018/048047

Publication Date:

July 04, 2019

Filing Date:

December 27, 2018

Export Citation:

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Assignee:

FURUKAWA ELECTRIC CO LTD (JP)

International Classes:

F28D15/02

Domestic Patent References:

WO1999039145A1	1999-08-05
WO2017077619A1	2017-05-11
WO2016104729A1	2016-06-30
WO2017077619A1	2017-05-11

Foreign References:

JP2004125381A	2004-04-22
JP2007218439A	2007-08-30
JPH11351769A	1999-12-24
CN2560098Y	2003-07-09
US20070029072A1	2007-02-08
CN2736931Y	2005-10-26
US20080121378A1	2008-05-29
CN207976030U	2018-10-16
JP2004125381A	2004-04-22

Other References: