Rotary kinetic fluid motors or pumps – Including heat insulation or exchange means – Working fluid on at least one side of heat exchange wall
Patent
1992-10-23
1994-02-22
Look, Edward K.
Rotary kinetic fluid motors or pumps
Including heat insulation or exchange means
Working fluid on at least one side of heat exchange wall
415176, 4152131, 4152141, 165124, 165126, 361694, F04D 2958
Patent
active
052882039
ABSTRACT:
An electronic component cooling low profile fan body with favorable heat transfer characteristics is disclosed. A fan, positioned in the body, includes a number of blades circumferentially formed around a central axis. The blades establish an axial blade depth region in reference to the central axis. The low profile fan body includes a frame supporting the fan. In one embodiment of the invention, the heat transfer body includes a pressure differential surface formed around the outer perimeter of the fan blades within a first segment of the axial blade depth region. An interface surface for connection to the electronic component is positioned opposite of the fan frame. A number of heat transfer devices are disposed between the frame and the interface surface, such that the heat transfer devices are positioned within a second segment of the axial blade depth region. In an alternate embodiment of the invention, heat transfer devices are disposed between the frame and the interface surface, without a pressure differential surface, along the entire axial blade depth region. The configuration of the heat transfer devices allows them to function as both a heat transfer surface and a pressure differential surface.
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Lee Michael S.
Look Edward K.
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