Patent ID: 7857689
Filing Date: 2010-12-28
Classification: F24F

Abstract:
1. A self balancing air handling system for conditioning an interior space comprising: an air handling unit having an outlet supplying conditioned air for the interior space; an entrance providing an access from an exterior space to the interior space wherein said outlet for said conditioned air is located remote from said entrance; a return air plenum on at least both sides of said access for returning air to an inlet of said air handling unit wherein said air handling unit supplies said conditioned air under conditions providing a positive velocity pressure differential at said entrance between the interior space and the exterior space against exterior infiltration air, said conditioned air having an air velocity in a plane transverse to said entrance of about 150 standard feet per minute whereby the infiltration air is entrained with said conditioned air at said access opening and directed by said velocity pressure to said plenum for return to said air handling unit.