COOLING DEVICE

WIPO Patent Application WO/2018/070116

A1

This cooling device circulates a coolant and cools an object to be cooled (12) by changing the phase of the coolant between the liquid phase and the gas phase, and is provided with: an evaporation unit (14) which boils a liquid-phase coolant by transferring heat from the object to be cooled to the liquid-phase coolant; a condensing unit (16) which is arranged above the evaporation unit in the direction of gravity and which condenses the gas-phase coolant by emitting heat from the gas-phase coolant; an outgoing path unit (18) which forms an outgoing flow passage (18a) for the liquid-phase coolant to flow from the condensing unit to the evaporation unit; a return path unit (20) which forms a return flow passage (20a) for the gas-phase coolant to flow from the evaporation unit to the condensing unit; a liquid storage unit (22, 201b) which, when air bubbles generated from the liquid-phase coolant in the evaporation unit with boiling of the liquid-phase coolant cause the liquid-phase coolant to rise, stores the raised liquid-phase coolant; and a liquid-phase return unit (31, 191a) which causes the liquid-phase coolant inside of the liquid storage unit to flow to any of the return flow passage, the evaporation unit and the outgoing flow passage.

OMI YASUMITSU (JP)
YOSHINORI TAKESHI (JP)
TAKEUCHI MASAYUKI (JP)
MIURA KOJI (JP)

PCT/JP2017/030423

April 19, 2018

August 24, 2017

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DENSO CORP (JP)

F28D15/02; H01M10/613; H01M10/6569

JPH11325766A	1999-11-26
JPH0323604U	1991-03-12
US4314601A	1982-02-09
JPH0552562U	1993-07-13
JPH0765780B2	1995-07-19
JP2016065681A	2016-04-28

YOU-I PATENT FIRM (JP)

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