Patent ID: 6588495
Filing Date: 2003-07-08
Classification: B60H,B61D,Y10S,Y10T

Abstract:
An air passage switching device comprising:air passages; a sliding door which slides in a direction substantially orthogonal to a flow direction of air flowing through said air passages for opening and closing said air passages, the sliding door comprising: a flexible film member that presses against an edge seal face of the air passages, said flexible film member closing the air passages, a door plate having openings that allow a draft pressure to act on the flexible film member; anchor tabs at opposite ends of the film member, each of said anchor tabs being loosely anchored to side faces of the door plate to define a gap therebetween; and wherein the door plate is provided with draft deflectors extending from said side faces upstream of said gap that prevent the inflow of air into said gap between the anchor tabs and the side faces.