About 48 results
https://drivepatents.com/patents/1070756 · 18 Jan 2006
The cowl (14, 16) has a number of repeated patterns (26) disposed circumferentially at a trailing edge (14a). Each pattern is asymmetrical about a midplane of the pattern passing through a longitudinal axis (X-X) of the cowl. Intensity of two generated lon...
https://drivepatents.com/patents/1074159 · 14 Sep 2005
The turbofan has front and rear counter-rotating fans (3, 5), at the front of an intermediate case (2), integrated to a counter-rotating low pressure compressor (7). Blades (14) of the fan (5) extend across a secondary flow (F2) channel (13), from a wheel ...
https://drivepatents.com/patents/1074593 · 31 Aug 2005
The turbofan has a fan mounted on upstream of a compressor and driven in rotation by a turbine A rigid cylindrical envelop (10) has upstream and downstream ends (19, 26) fixed on intermediate and exhaust cases, respectively. The envelope assures transmissi...
https://drivepatents.com/patents/1074774 · 24 Aug 2005
The turbofan has a low pressure compressor (7) disposed axially between blades (10) of a front fan (3) and blades (14) of an aft fan (5). Stator grids (45, 46) are axially arranged on both sides of a movable vane crown (40). A grid gate ring (47) is suppor...
https://drivepatents.com/patents/1074980 · 17 Aug 2005
The turbofan has two counter-rotating fans (3, 5), and a low pressure compressor (7). The compressor has a downstream crown (18) of rotating blades (19) connecting the fan (5) to a drive shaft (6) of the fan (5). An upstream crown (40) of rotating blades (...
https://drivepatents.com/patents/1074992 · 17 Aug 2005
The engine has a fan integrated with a drive shaft (5) that is supported by bearings (6, 7). The bearing (7) has an inner ring integrated with the shaft and outer ring fixed on a flange (18) of a fixed structure. A retaining disc (28) is mounted on an annu...
https://drivepatents.com/patents/1075192 · 10 Aug 2005
The turbojet has a compressor shaft (5) supported by bearings (6, 7) mounted on a fixed structure of the turbojet through bearing support units (9, 11). The bearing (7) is assembled on the unit (9) by a connection forming spherical joint (23, 24). Fusible ...
https://drivepatents.com/patents/1075570 · 27 Jul 2005
The strut has a monoblock structure of ceramic material and formed with CERASEP. The structure has two symmetric walls (14, 15) to define a groove (16), end parts (17) joined together to define a base (18), and end parts (19) to define respective flanges (...
https://drivepatents.com/patents/1075793 · 20 Jul 2005
The cooling system (30) includes at least one channel (32) that draws off cold air (300) in a secondary air flow (200). At least one heat exchanger (34) is located in the channel for circulation of hot air (420) from a primary air flow (100) before reachin...
https://drivepatents.com/patents/1075949 · 13 Jul 2005
The turbomachine has a gear system (20) comprising a power divider (26) maintaining a constant ratio between input torques of a variable pitch propeller (2) and a low pressure compressor (6), where the torques are transmitted by the system. The power divid...