Title:
EBULLITION COOLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/244621
Kind Code:
A1
Abstract:
Provided is an ebullition cooling device which can further improve cooling performance. A heat receiving part (11) comprises: a heat transfer wall (2) having an attachment surface to which an object (9) to be cooled is attached, an uneven surface made of a plurality of recessed strips provided to an area excluding the attachment surface; and a metal porous body (3) attached so as to be superimposed on top of the uneven surface (21) of the heat transfer wall, and having a plurality of through-holes (30) formed therein of which one opening faces the uneven surface (21) and the other opening is opened to a space on the side opposite from the uneven surface. At least the uneven surface (21) of the heat transfer wall (2) and the metal porous body (3) are immersed in a refrigerant liquid (10). The uneven surface (21) of the heat transfer wall is an inclined wall or a vertical wall having a height position which changes in one direction along a direction in which the recessed strips (22) extend, and at least an upper end (22a) of the recessed strips (22) at a high position among both ends in the direction in which the recessed strips extend is open.
Inventors:
IDE TAKUYA (JP)
MURAKAMI MASAAKI (JP)
NUMATA TOMIYUKI (JP)
MURAKAMI MASAAKI (JP)
NUMATA TOMIYUKI (JP)
Application Number:
PCT/JP2022/019409
Publication Date:
November 24, 2022
Filing Date:
April 28, 2022
Export Citation:
Assignee:
LOTUS THERMAL SOLUTION INC (JP)
International Classes:
F28D15/02; H01L23/427; H05K7/20
Foreign References:
| JP2018204882A | 2018-12-27 | |||
| JP2013243249A | 2013-12-05 | |||
| JP2015197245A | 2015-11-09 |
Attorney, Agent or Firm:
YANAGINO Yoshihide et al. (JP)
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