Patent ID: 7755889

Claim:
An enclosure for electronic modules, comprising: a chassis including: a front region adapted to house the electronic modules; a rear region adapted to house a plurality of fans; and a central manifold positioned in the chassis between the front region and the rear region and including: a plenum adapted to transfer airflow from the front region to the rear region; a front section having a plurality of front openings each adapted to communicate with one of the electronic modules, the plurality of front openings positioned between the electronic modules and the plenum; a front transition region joining the plurality of front openings to the plenum; a rear section having a plurality of rear openings each adapted to communicate with one of the fans; a rear transition region joining the plurality of rear openings to the plenum; a front sealing mechanism positioned in the front section and adapted to selectively seal the plurality of front openings; and a rear sealing mechanism adapted to selectively seal the plurality of rear openings.