Patent ID: 8210914

Claim:
A system for removing exhaust air from an equipment rack configured to support electronic equipment, the system comprising: a frame assembly, separate from the equipment rack, configured to be removably coupled to a side of the equipment rack, the frame assembly including a frame member and at least one pivot connector; and an air removal unit configured to be coupled to the at least one pivot connector of the frame assembly to hingedly attach the air removal unit to the equipment rack, the air removal unit including a housing configured to block at least a portion of the side of the equipment rack, the housing defining an interior chamber and including at a front panel, an upper back panel, a lower back panel, a lower exhaust module front panel positioned behind the front panel, and two side walls, an upper exhaust module disposed within the interior chamber, the upper exhaust module including at least one upper fan module removably secured to the upper back panel of the housing, the upper fan module including a fan coupled with a first internal air plenum defined by the front panel, the side walls and the upper back panel, a lower exhaust module disposed within the interior chamber below the upper exhaust module, the lower exhaust module including at least one lower fan module removably secured to the lower back panel of the housing, the lower fan module including a fan coupled with a second internal air plenum defined by the lower exhaust module front panel, the side walls and the lower back panel, the lower back panel and the lower exhaust module front panel extending along parallel planes that are at an acute angle with respect to a generally vertical plane defined by the upper back panel to accommodate a width of the upper fan module, and an exhaust port defined along the top of the housing, the first and the second internal air plenums being configured to terminate at the exhaust port.