Patent ID: 7604535

Claim:
An assembly comprising: a housing with an interior that is adapted to hold heat-generating electronic equipment, the housing comprising a generally rectangular vertical front portion, two generally rectangular vertical side portions coupled to the front portion, an essentially solid, generally rectangular top portion coupled to the side portions and to the front portion, and an essentially solid, generally rectangular back portion coupled to the side portions; where the top portion defines a first opening leading to the housing interior, the first opening located at the back of the top portion, proximate the back portion; where the back portion defines a second opening leading to the housing interior, the second opening located at the top of the back portion, proximate the top portion; where the first opening is contiguous with the second opening; and a chimney external to the housing and comprising a bottom wall coupled to the back portion of the housing proximate the second opening, a front wall coupled to the top portion of the housing proximate the first opening, a back wall opposite the front wall, and two opposing side walls; where the chimney defines an air passageway that encompasses and is in fluid communication with the first and second openings, the air passageway comprising an inlet for taking in air leaving the housing through the first and second openings and an outlet for conducting the air out of the air passageway.