Patent ID: 9562728
Date: 2017-02-07
CPC Classifications: F28F,H01L,H05K

Claim:
1. A cooling device comprising: a frame portion; a supply port provided at the frame portion, the supply port supplying a cooling medium into the frame portion; a discharge port provided at the frame portion, the discharge port discharging the cooling medium in the frame portion to an exterior of the frame portion; a first projection portion that projects from an inner side face of the frame portion and forms a fluid channel along which the cooling medium flows in the frame portion from the supply port to the discharge port, the first projection portion including respective distal and proximal end sides; two cover bodies that cover openings at both thickness direction sides of the frame portion, respective inner faces of the cover bodies being welded or brazed to the frame portion and the first projection portion; fixing-receiving portions that are provided at the first projection portion, fixing members that penetrate through the two cover bodies and fix respective cooled members to outer faces of the two cover bodies being retained at the fixing-receiving portions; a fin member that is disposed in the fluid channel; and a distal holding portion extending perpendicularly from the distal end sides of the first projection portion and a proximal holding portion extending perpendicularly from the proximal end sides of the first projection portion, the fin member being held between the distal holding portion and the proximal holding portion, and the distal holding portion and the proximal holding portion positioning the fin member with respect to the frame portion, wherein the first projection portion includes a side wall and portions of the side wall adjacent to each fixing-receiving portion protrude into the fluid channel, the fin member contacting the side wall adjacent to each fixing-receiving portion, and the fin member being spaced apart from the side wall at locations other than adjacent to each fixing-receiving portion.