Patent ID: 6757168
Filing Date: 2004-06-29
Classification: H05K

Abstract:
An electronic cooling device for housing an electronic unit having a plurality of electronic parts and for indirectly cooling said electronic unit with cooling air which is introduced from the outside and discharged to the outside, comprising:a cooling panel of a hollow structure adapted to be faced at an outer surface by at least one electronic unit for passing the cooling air therethrough, the cooling air entering through an inlet port of the cooling panel and exiting through an outlet port of the cooling panel; and a housing box housing said cooling panel and said electronic unit and having an opening for passing the cooling air to said cooling panel, said opening accommodating both the inlet port and outlet port of the cooling panel, wherein said cooling panel includes: a first panel unit adapted to be faced by a first electronic unit; a second panel unit arranged at a predetermined spacing on the upper side of said first panel unit and adapted to be faced by a second electronic unit; and a communication passage for providing the communication between said first panel unit and said second panel unit; an inlet and an outlet formed in one of said first panel unit and said second panel unit and communicating with the inside of one of said panel units, wherein said communication passage includes; a first communication passage for passing the cooling air therethrough from said first panel unit to said second panel unit; and a second communication passage for passing the cooling air therethrough from said second panel unit to said first panel unit.