Patent ID: 8701737

Claim:
A computer rack air containment system comprising: a first row of computer racks housing electrical computer equipment; a second row of computer racks housing electrical computer equipment, the second row being spaced apart from the first row so that an aisle is formed therebetween, the aisle having a first end and an opposing second end; a canopy disposed in an extended position so that the canopy spans completely across the aisle and extends from the first end of the aisle to the opposing second end of the aisle, the canopy being movably secured to the first row of computer racks and the second row of computer racks; and a canopy retractor secured to the canopy and disposed at the first end of the aisle, the canopy retractor being configured to move the canopy from the extended position to a retracted position; a selectively releasable retainer securing a front portion of the canopy at the second end of the aisle, the releasable retainer being configured to release the canopy so that the canopy can move to the retracted position when a predetermined condition is met.