About 39 results
https://drivepatents.com/patents/1001649 · 6 Jun 2012
A missile comprises a propulsion system, a passageway (1) for delivering air to the propulsion system and a ducting element (9) associated with the passageway (1). The ducting element (9) has a ducting surface for ducting air into the passageway (1), and t...
https://drivepatents.com/patents/1003253 · 18 Apr 2012
The nacelle has a lip (114) extended inside and outside the nacelle by inner and outer walls (116, 118), respectively. A front frame (122) connects the inner wall and the outer wall that delimits an annular pipe (124). A rear frame (126) connects the walls...
https://drivepatents.com/patents/1003896 · 28 Mar 2012
A fan nacelle (34) for a gas turbine engine includes a leading edge region (40) with a flow path (42) between an intake region (48) in a nacelle outer surface (44) and an exhaust region (50) in a nacelle inner surface (46) to locally modify a flow around t...
https://drivepatents.com/patents/1012867 · 18 May 2011
The inlet has a dynamic inlet duct (30) provided with a grid (40) for protection against ingesting foreign bodies. The grid is moved in translation along a dynamic axis (AX1) relative to a front flow section of the duct. A lateral inlet is arranged in a si...
https://drivepatents.com/patents/1070395 · 1 Feb 2006
A liner assembly (12) for a fan case (10) includes a noise attenuation layer (16) covered by a face sheet (18). The face sheet (18) includes openings (20) to the underlying noise attenuation layer (16). The face sheet (18) and noise attenuation layer (16) ...
https://drivepatents.com/patents/1071622 · 21 Dec 2005
A gas turbine engine comprises a fan section (12), a compressor (14), a combustor (16) and a turbine (18) and includes a nacelle (22) having an inner nacelle surface (32) defining an inlet duct (42). The inner surface (32) is designed to reduce an inlet du...
https://drivepatents.com/patents/1072885 · 2 Nov 2005
The assembly has an air inlet structure with an inner wall (32) having a sound wave attenuating acoustic structure (36, 38, 40). The wall has a protrusion part (32`) extending backwards beyond a bond line (A) of a connecting flange (22) of an engine crankc...
https://drivepatents.com/patents/1073555 · 5 Oct 2005
The structure has an annular part which defines a fan case ducting that includes inner and outer casings (16, 17). A rigidifying bar (20) has ends (24, 22) integrated to the respective casings and to front and rear stiffening frames (18, 19) respectively. ...
https://drivepatents.com/patents/1079084 · 23 Mar 2005
In an aspect, a method is provided for attenuating jet engine noise. Air velocity, adjacent to an inlet fan duct outer wall (22), is increased to a greater rate than typical velocity of an operational engine ambient inlet airflow (12), adjacent to the inle...
https://drivepatents.com/patents/1085340 · 28 Jul 2004
An air intake (10) includes a spike (11) and a cylindrical cowl (26). The spike is composed of a plurality of plates (22) which are arranged axial symmetrically around a central axis thereof, and the cowl includes an inner wall parallel to the central axis...