Patent application number | Description | Published |
20090104036 | TURBINE ENGINE WHEEL | 04-23-2009 |
20100239421 | CONTROLLABLE PITCH BLADE NON-DUCTED PROPELLER FOR JET ENGINE - Controllable pitch blade non-ducted propeller for a jet engine, comprising a rotor member comprising radial housing for mounting blade support plates, each plate being attached in a ring centered and guided in rotation in a housing of the rotor member and comprising external toothing engaged and locked in internal toothing of the ring, to withstand the centrifugal forces to which the propeller blades are subjected in operation. | 09-23-2010 |
20110110781 | DEVICE FOR FASTENING A VARIABLE PITCH BLADE - This blade attachment device comprises a shell ( | 05-12-2011 |
20110206530 | VIBRATION DAMPER DEVICE FOR TURBOMACHINE BLADE ATTACHMENTS, ASSOCIATED TURBOMACHINE AND ASSOCIATED ENGINES - A vibration-damping device for a turbomachine blade including a blade root configured to be inserted into a pocket of a carrier disk of a bladed wheel, the device configured to be positioned between the blade root and a retaining wall of the pocket. The device includes at least one shim including an assembly of layers of rigid materials and of viscoelastic materials, and including two portions, each forming a lateral branch which can be inserted along one of the two retaining walls, the two lateral branches being connected to one another, so as to constitute a single part, by a third portion forming a shim bottom of rigid material. At least one layer of viscoelastic material is positioned between two layers of rigid materials. | 08-25-2011 |
20110217172 | AIRFOIL ATTACHMENT HOLDING AN AIRFOIL ROOT IN A BROACH FITTING - Airfoil attachment comprising a support ( | 09-08-2011 |
20130094943 | UNDUCTED FAN FOR TURBINE ENGINE - An unducted fan of variable-pitch blades including roots engaged from outside in respective radial housings of an annular rotor element and guided to turn about their respective axes by pairs of rolling bearings, one of which is carried by an annular segment of a cylindrical skirt mounted in a groove of the annular body and by a locknut screwed onto the cylindrical skit. The bearing is covered externally by a ring including outer dog-clutch teeth co-operating with inner dog-clutch teeth of the housing to hold the ring axially in the housing. A blocking mechanism is engaged between the teeth of the housing and the teeth of the ring preventing the ring from turning and preventing the ring from being withdrawn axially from the housing. | 04-18-2013 |
20140341739 | PROPELLER BLADE PIVOT - The invention relates to the field of aerial propellers, in particular the field of variable-pitch propellers, specifically for unducted fans. More specifically, the invention relates to a pivot ( | 11-20-2014 |
20150260045 | PROPELLER COMPRISING A MOVEABLE DYNAMIC SCOOP - The main purpose of the invention is a propeller ( | 09-17-2015 |