Heat exchange – With impeller or conveyor moving exchange material – Mechanical gas pump
Patent
1999-05-03
2000-10-03
Flanigan, Allen
Heat exchange
With impeller or conveyor moving exchange material
Mechanical gas pump
165 803, 361697, H05K 720
Patent
active
061259241
ABSTRACT:
A heat-dissipating device for a computer includes a base, a heat-dissipating fan, a cover plate, and an air guiding tube. The base is made of a heat-conducting metal, and includes a base plate to be disposed in contact with an electronic component in a computer housing, and a surrounding wall which extends upwardly and integrally from a periphery of the base plate. The surrounding wall includes a front portion that confines a receiving space with the base plate, and a pair of spaced-apart guiding wall members which extend rearwardly and respectively from rear ends of the front portion. The fan is mounted on the base plate inside the receiving space for drawing air downwardly toward the base plate. The cover plate is disposed on a top edge of the surrounding wall, and has a front part formed with an opening which is located immediately over the fan, and a rear part which confines an air passage with the guiding wall members and the base plate. The air passage has an open rear end. The air guiding tube has a first end connected to the base and communicated fluidly with the open rear end of the air passage, and a second end to be mounted on the computer housing around a vent hole in the latter so as to be communicated fluidly with an exterior of the computer housing.
REFERENCES:
patent: 5727624 (1998-03-01), Ko et al.
patent: 5838066 (1998-11-01), Kitajo
patent: 5917697 (1999-06-01), Wang
patent: 5940269 (1999-08-01), Ko et al.
patent: 5978219 (1999-11-01), Lin
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