Patent ID: 6407918
Filing Date: 2002-06-18
Classification: H05K

Abstract:
An apparatus for providing a supply of air for cooling electrical devices comprising:a first fan housing comprising a first intake, a first exhaust, and a first fan assembly comprising a plurality of fans, each fan being connected to a power supply, wherein the first fan assembly is arranged to provide airflow in a parallel fashion from the first intake to the first exhaust; a second fan housing comprising a second intake, a second exhaust, and a second fan assembly comprising a plurality of fans, each fan being connected to a power supply, wherein the second fan assembly is arranged to provide airflow in a parallel fashion from the second intake to the second exhaust; a balancing plenum interconnecting the first exhaust and the second intake; wherein the apparatus is substantially airtight between the first intake and the second exhaust; and wherein the apparatus provides an adequate air supply when at least one fan is inoperable.