Patent ID: 9097259
Filing Date: 2015-08-04
Classification: F02K,F04D

Abstract:
1. A bleed air outlet for positioning in a bypass duct of a turbofan engine comprising: a bleed air tube protruding into the bypass duct and defined by a height H and a diameter D, and a cover including a top, first and second sidewalls and at least one air outlet opening provided in the top for communicating with the bleed air tube, the cover acting as an aerodynamic fairing element and having an elongate plan shape generally of a vesica piscis extending in a longitudinal direction of the bypass duct, the top having a longitudinally convexly curved and transversely essentially straight shape, the first and second sidewalls arcuately extending from opposite sides of the top to an inner bypass duct wall; wherein side walls of the generally vesica piscis plan shape extending from a forward tip of the cover to a rearward tip of the cover are curved throughout and absent linear portions.