Heat-generating element cooling device
AssigneePfu Limited
InventorsTakashi Kitahara, Tadayoshi Shimanuki
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Abstract
A cooling device for a heat generating element which includes a heat sink disposed on a top surface of the element mounted on a printed circuit board, a cooling air throttling mechanism supported by a base surface of the heat sink, and a plurality of heat-radiating fins on the base surface around the throttling mechanism. A plate-shaped cover covers a top surface of the heat sink and has an opening formed at a position facing the throttling mechanism. A cooling fan unit is positioned beneath the opening and mounted to be accommodated in the throttling mechanism.
Claims5
A heat-generating element cooling device comprising:
- a heat sink disposed on a top surface of a heat-generating element mounted on a printed circuit board and having a base surface, a cooling air throttling mechanism supported by the base surface, and a plurality of heat-radiating fins disposed on the base surface around the throttling mechanism, said cooling air throttling mechanism comprising a cooling air throttling ring;
- a plate shaped cover covering a top surface of said heat sink and having an air intake and exhaust opening formed at a position facing the throttling mechanism;
- and
- a cooling fan unit positioned beneath the air intake and exhaust opening of said cover and mounted so as to be accommodated totally within the cooling air throttling ring.
Dependencies are inferred from the claim text.