Patent ID: 8398017

Claim:
A duct for an aircraft comprising: a forward end, an aft end, a first edge portion extending from the forward end to the aft end; a second edge portion extending from the forward end to the aft end; at least one duct wall having a substantially continuous C-shaped cross section extending circumferentially from the first edge portion to the second edge portion and configured to partially surround an engine of an aircraft, the at least one duct wall further comprising: an inner fan duct wall extending circumferentially from the first edge portion to the second edge portion, an outer fan duct wall positioned outward of the inner fan duct wall and integrated with at least a portion of the inner fan duct wall at or proximate the first edge portion and the second edge portion, and an outer cowl panel, positioned outward of the outer fan duct wall, wherein the outer cowl panel converges with and is integral to the outer fan duct wall proximate the aft end of the duct; and attachment structure for slidably attaching at least a portion of the duct to a strut of the aircraft proximate the first edge portion and the second edge portion.