About 11 results
https://drivepatents.com/patents/1386122 · 29 Apr 2026
Air inlet lip (12) of an aircraft engine nacelle equipped with a passive closure device for a communication orifice The subject of the invention is an air inlet lip (12) of a nacelle (10) of an aircraft engine equipped with a passive closure device (22) of...
https://drivepatents.com/patents/1398167 · 9 Jul 2025
An inlet cowl (200) may comprise: a forward bulkhead; an aft bulkhead (138) spaced apart axially aft of the forward bulkhead; an annular structure having a radially inner wall (152) spaced apart from a radially outer wall (154); a fluid conduit (142) exten...
https://drivepatents.com/patents/991837 · 10 Apr 2013
The nacelle has a lip prolonged by an interior pipe forming an air intake. A front frame delimits an annular duct (40) in which hot air circulates, and a panel treats sound from an outer side toward an inner side of an acoustically resistive layer. A pipe ...
https://drivepatents.com/patents/991835 · 10 Apr 2013
The nacelle has a lip (34) that is prolonged by an interior pipe (36) forming an air intake part. A front frame (32) delimits the lip, and an annular pipe (40) is utilized for circulation of hot air. An acoustic treatment panel (30) includes a set of stabi...
https://drivepatents.com/patents/991840 · 10 Apr 2013
The nacelle has a lip (34) prolonged by an interior pipe (36) forming an air intake. A front frame (32) delimits an annular pipe (40) in which hot air circulates and an acoustic treatment panel with the lip. The acoustic treatment panel includes upstream c...
https://drivepatents.com/patents/994682 · 26 Dec 2012
The method involves deforming a layer i.e. sheet metal made of titanium alloy so as to produce furrows at one of surfaces of the layer. The deformed layer is flattened and integrated with an acoustically resistive layer (24) so as to border channels (30) o...
https://drivepatents.com/patents/995653 · 28 Nov 2012
The device has an annular tubular element (31) extended along a circumferential direction. The tubular element comprises outflow openings for supplying hot air to a ring lip region (29) of a double-walled nacelle (30) for removing snow and ice. The tube el...
https://drivepatents.com/patents/1100904 · 23 Oct 2002
There is presented an air inlet cowl for a jet engine provided with de-icing means comprising an air extraction opening (34) made in the partition (20), to put into communication the insulation volume (28) enclosing the hot pressurized air supply duct (10)...
https://drivepatents.com/patents/1102390 · 21 Aug 2002
The jet engine air intake cowling comprises an air intake lip (6a), a de-icing system (10) and acoustic attenuation means (11). The acoustic attenuation means are constituted by separate islets (11a) each formed from a sandwich comprising a resistive acous...
https://drivepatents.com/patents/1112037 · 27 Jun 2001
The air intake cowling (9) for a jet engine, whose leading edge (16) is hollow and traversed by a hot air flow for de-icing (17), comprises outlets for the hot air flow to the outside of said leading edge (16), which form an arrangement (18) such that at l...