Compact ventilation unit for electronic apparatus

Details Compact ventilation unit for electronic apparatus Compact ventilation unit for electronic apparatus

1996-12-20

1998-06-30

Joyce, Harold

Ventilation

Electronic cabinet

415 60, 4151821, 415206, H05K 720

Patent

active

057725004

ABSTRACT:
A ventilation unit for operative arrangement within an electronic apparatus, the unit including an exterior side having a first exhaust port separated from a second exhaust port, an adjacent interior side having first and second incoming passageways, and a first and second powered air mover; one powered air mover can be located closer to the exterior side than the other air mover. The first powered air mover can be in communication with the first incoming passageway and the first exhaust port, and separated from the second powered air mover by use of a baffle extending generally from the exterior side around and between the two air movers. Additional powered air movers can be accommodated. Also, a ventilation unit including an exterior side having first and second exhaust ports, an adjacent interior side having first and second incoming passageways, and a first and second powered air mover; wherein the first powered air mover in communication with both the first incoming passageway and the first exhaust port, yet separated from the second powered air mover which is in communication with both the second incoming passageway and second exhaust port. A method of venting thermal energy generated within an electronic apparatus through an exterior side of a ventilation unit operating within the apparatus. This method comprises drawing air in through a first incoming passageway of an interior side of the unit and out a first exhaust port of the exterior side, separately from drawing air in through a second incoming passageway of the interior side and out a second exhaust port of the exterior side; the first incoming passageway can be located closer to the exterior side than the second incoming passageway.

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"Brushless DC SanAce"; Sanyo Denki Co., Ltd.; Brushless DC Scirocco Ace; p. 29.

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