PHASE-CHANGE COOLING DEVICE AND PHASE-CHANGE COOLING METHOD

WIPO Patent Application WO/2018/056201

A1

Improving the reliability of a phase-change cooling device that uses a driving source to circulate refrigerant liquid would entail complicated control. Addressing this, the present invention provides a phase-change cooling device that comprises: an evaporator for accommodating refrigerant liquid used for receiving heat from a heat-generating source; a condenser for producing refrigerant liquid by radiating the heat of refrigerant vapor produced when refrigerant liquid is evaporated by the evaporator; a refrigerant liquid driving means for circulating refrigerant liquid; a first piping part for connecting the evaporator to the condenser; a second piping part for connecting the condenser to the refrigerant liquid driving means; a third piping part for connecting the refrigerant liquid driving means to the evaporator; a refrigerant retaining means for retaining the refrigerant liquid and located in a flow passage formed by the second piping part; and a fourth piping part which has one end connected to the first piping part at a first connection point and another end connected to the refrigerant retaining means at a second connection point.

MATSUNAGA ARIHIRO (JP)
YOSHIKAWA MINORU (JP)
CHIBA MASAKI (JP)
SAKUMA HISATO (JP)
SATO MASANORI (JP)
WADA MIZUKI (JP)
TODOROKI KOICHI (JP)

PCT/JP2017/033426

March 29, 2018

September 15, 2017

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NEC CORP (JP)

G06F1/20; F28D15/02; H05K7/20

JPS5959682U	1984-04-18
JP2010190553A	2010-09-02
JP2016164478A	2016-09-08
JPS6179773U	1986-05-28

SHIMOSAKA Naoki (JP)

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