Patent ID: 6299525
Filing Date: 2001-10-09
Classification: B64D,Y02T

Abstract:
In a passenger aircraft including a fuselage, a deck floor in said fuselage, a passenger cabin above said deck floor, a below-deck space below said deck floor, a below-deck wall inside said fuselage and bounding said below-deck space, a source of fresh air, a source of recycled air, an air mixer unit that is connected to said source of fresh air and to said source of recycled air and that is adapted to receive and mix fresh air and recycled air to prepare mixed air, and a supply air main line that is connected to said air mixer unit and that is adapted to convey said mixed air therein,an air-conditioning arrangement for adaptably air-conditioning said below-deck space, said air-conditioning arrangement comprising:a supply air delivery line that is connected to said supply air main line and that is adapted to convey said mixed air therein from said supply air main line to said below-deck space, wherein said supply air delivery line has is an end arranged proximate to a first opening provided in said below-deck wall;a first flange provided on said end of said supply air delivery line;a pivotable flap having at least one air throughflow opening therein, wherein said air throughflow opening has a defined flow cross-sectional area; andpivot hinge member that is connected to said flap and that pivotably connects said flap to said first flange.