Abstract: A sealing device (20) for an airplane (22). The airplane having a wing (24) and a first engine nacelle (26) attached to the wing. The wing having a wing root, a wing tip, a leading edge, a trailing edge and at least a first flap (30b) operatively connected to the leading edge. The flap being actuatable between a retracted position and an extended position. The flap in the extended position defining a gap between the flap and engine nacelle. The sealing device includes a body attached to the engine nacelle. The body having a forward portion (54), a center portion (56) and an aft portion (58). The body being positioned on the engine nacelle to contact the flap when the flap is in the extended position and forming a seal between the flap and nacelle to improve aerodynamic efficiency of the wing. The seal is formed by the flap being nested within the center portion of the body when the flap is in the extended position.

Abstract: A window clip for attaching window panes to aircraft supporting structures comprises a clip body which has an outwardly bent flange at the bottom which applies pressure to the inner pane of an aircraft window and an inwardly bent u-shaped platform at the top. A hole is located in the platform portion for receiving a fastener to attach the clip to an underlying support. A spacer is optionally located on the fastener.

Abstract: A convection braze furnace for brazing aluminum heat exchangers in an inert gas rich atmosphere includes entrance and exit vestibules forming atmosphere barriers of suspended stainless steel strips. The interior of the braze furnace is divided into multiple zones for progressively heating the heat exchangers to a brazing temperature and then cooling the heat exchangers in the final zone. An impeller circulates the heated intent gas atmosphere within each zone to accelerate heat transfer. A chain type conveyor supports the heat exchangers as they are moved through the braze furnace. An isolated return tube surrounds the lower return side of the conveyor chain as it passes through the braze furnace. The braze furnace housing is comprised of inner and outer shells having an inert gas pressurized interstitial cavity therebetween. The inner shell includes a plurality of expansion strips having generally ellipsoidal corner expansion joints.

Abstract: A convection braze furnace for brazing aluminum heat exchangers in an inert gas rich atmosphere includes entrance and exit vestibules forming atmosphere barriers of suspended stainless steel strips. The interior of the braze furnace is divided into multiple zones for progressively heating the heat exchangers to a brazing temperature and then cooling the heat exchangers in the final zone. An impeller circulates the heated intent gas atmosphere within each zone to accelerate heat transfer. A chain type conveyor supports the heat exchangers as they are moved through the braze furnace. An isolated return tube surrounds the lower return side of the conveyor chain as it passes through the braze furnace. The braze furnace housing is comprised of inner and outer shells having an inert gas pressurized cavity interstitial therebetween. The inner shell includes a plurality of expansion strips having generally ellipsoidal corner expansion joints.