US2019154362A1PendingUtilityA1

Cooler

Assignee: TOYOTA MOTOR CO LTDPriority: Nov 21, 2017Filed: Nov 13, 2018Published: May 23, 2019

Est. expiryNov 21, 2037(~11.3 yrs left)· nominal 20-yr term from priority

Inventors:Yukihisa Katayama Naoyuki Takahashi Ryo Yokozawa Syuichi Nakayama

H10W 40/47H10W 40/258H10W 40/255H10W 40/25H10W 40/226F28F 2275/02B32B 37/0038B32B 27/38B32B 2313/04B32B 2250/02F28F 13/14B32B 2363/00B32B 27/281B32B 2377/00B32B 2250/42F28F 3/06B32B 27/20F28F 21/089B32B 2305/20F28F 21/02F28F 2013/001B32B 37/10F28F 2245/04F28F 2245/06B32B 2307/7265B32B 2307/732B32B 7/12B32B 15/20B32B 9/04B32B 3/263B32B 9/007B32B 15/08B32B 7/027B32B 2307/302B32B 27/08B32B 2250/03

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References

Claims

Abstract

A cooler includes: a base to which an object to be cooled is attached; and a fin which is fixed to a surface of the base, the fin including a plurality of graphite sheets laminated in the fin, the graphite sheet having a thermal conductivity higher in an in-plane direction than in an out-plane direction, wherein the fin is fixed to the base at end faces of the plurality of graphite sheets.

Claims

exact text as granted — not AI-modified

What is claimed is: 
     
         1 . A cooler comprising:
 a base to which an object to be cooled is attached; and   a fin which is fixed to a surface of the base, the fin including a plurality of graphite sheets laminated in the fin, the graphite sheet having a thermal conductivity higher in an in-plane direction than in an out-plane direction,   wherein the fin is fixed to the base at end faces of the plurality of graphite sheets.   
     
     
         2 . The cooler as in  claim 1 , wherein
 an exposed area of the surface of the base has a water-resistance.   
     
     
         3 . The cooler as in  claim 1 , wherein
 the base comprises:   a metal plate; and   a thermally conductive layer covering a surface of the metal plate, the thermally conductive layer having a thermal conductivity higher than a thermal conductivity of the metal plate, and   the end faces of the plurality of graphite sheets are fixed to the thermally conductive layer.   
     
     
         4 . The cooler as in  claim 1 , wherein
 a plating layer is provided on each of the end faces fixed to the base.   
     
     
         5  The cooler as in  claim 1  wherein
 the in-plane direction of the graphite sheets and a standing direction of the fin are substantially parallel to each other in a state where the fin is fixed to the base.

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