Patent application number | Description | Published |
20080263864 | TURBOMACHINE BLADE AND TURBOMACHINE COMPRISING THIS BLADE - The present invention relates to a resurfacing method of repairing a surface portion of a moving turbomachine blade. The method is noteworthy in that metal particles are deposited on said surface by electrolysis. The latter is of the type comprising pad electrolysis, electrolysis in a bath or microbath, or a combination thereof. | 10-30-2008 |
20080289315 | SYSTEM FOR DISSIPATING ENERGY IN THE EVENT OF A TURBINE SHAFT BREAKING IN A GAS TURBINE ENGINE - The present invention relates to a device for, in a gas turbine engine, braking a turbine comprising a rotor, having at least one disk ( | 11-27-2008 |
20090056307 | ACTUATING DEVICE, BYPASS AIR BLEED SYSTEM EQUIPPED THEREWITH, AND TURBOJET ENGINE COMPRISING THESE - The actuating device for opening and closing at least one shutter in a gas turbine engine such as a turbojet engine, comprises at least one actuator made of a two-way shape memory alloy having a first stable state at a first given temperature (θ | 03-05-2009 |
20090126336 | SYSTEM PROVIDING BRAKING IN A GAS TURBINE ENGINE IN THE EVENT OF THE TURBINE SHAFT BREAKING - The present invention relates to a device for, in a gas turbine engine, braking a turbine comprising a rotor driving a shaft capable of rotating with respect to a stator in the event of said shaft breaking. The device is one which comprises a first braking member ( | 05-21-2009 |
20090148283 | NOZZLE RING ADHESIVE BONDED BLADING FOR AIRCRAFT ENGINE COMPRESSOR - A compressor nozzle ring for an aircraft includes an inner shroud, an outer shroud and a multiplicity of blades extending from the inner shroud to the outer shroud. Each blade passes through the inner shroud and is attached to it with sealing cement containing an organic polymer adhesive. The adhesive is polyimide based. | 06-11-2009 |
20090185768 | TURBOMACHINE SHAFT GUIDANCE - A support for a bearing that guides a shaft in a turbomachine, comprising an annular part made of a shape memory material which retains an initial shape when the load applied to it remains below a threshold value and which deforms, absorbing energy when the applied load becomes at least equal to the threshold value, this annular part being capable of reverting at least approximately to its initial shape when the applied load drops back below the threshold value. | 07-23-2009 |
20090223632 | ABRADABLE MATERIAL COMPOSITION, A THERMOMECHANICAL PART OR CASING INCLUDING A COATING, AND A METHOD OF FABRICATING OR REPAIRING A COATING PRESENTING SAID COMPOSITION - The invention relates to an abradable material composition comprising a resin-based matrix, in particular a silicone matrix together with filler comprising hollow beads. In characteristic manner, the hollow beads withstand high temperatures and are made of refractory material. The hollow beads are preferably made of an alumino-silicate material. The composition is applicable to making abradable coverings for compressor casings, in particular casings for compressors of the low pressure type or of the booster type, or for a fan, the covering being in register with moving blades. | 09-10-2009 |
20090282679 | CENTERING A PART INSIDE A SHAFT - A device for centering a tube inside a hollow shaft, the device comprising deformable means interposed between the tube and the hollow shaft and including bearing members for bearing against the inside surface of the shaft and suitable for being spaced away from the inside surface of the shaft in order to enable them to be moved inside the shaft, the deformable means being made of a shape-memory material suitable for deforming to press the bearing members against the inside surface of the shaft or to space them away therefrom on being subjected to a predetermined temperature. | 11-19-2009 |
20090297261 | SYSTEM FOR ASSEMBLING TWO ROTARY PARTS TOGETHER BY FLANGES - The invention relates to a system of assembling together two rotary parts by means of flanges, said flanges forming a cylindrical passage of diameter D | 12-03-2009 |
20090308506 | METHODS FOR HEAT TREATING AND MANUFACTURING A THERMOMECHANICAL PART MADE OF A TITANIUM ALLOY, AND THERMOMECHANICAL PART RESULTING FROM THESE METHODS - A method of heat treating a thermomechanical part made of a TA6Zr4DE titanium alloy. A solution-annealing is performed at a temperature lying in the range beta transus −20° C. and beta transus −15° C. for a duration lying in the range four hours to eight hours. The method is applicable to fabricating high pressure compressor disks. | 12-17-2009 |
20110030337 | WALL COOLING DEVICE - The invention relates to a wall-cooling device for cooling a wall ( | 02-10-2011 |
20110116931 | METHOD FOR INCREASING THE COEFFICIENT OF ADHESION BETWEEN TWO PARTS ROTATING AS ONE WITH A ROTOR - A method for increasing the coefficient of adhesion between two parts that rotate as one with a rotor, for example a turbomachine rotor, those parts pressing against one another via pressing faces. The method includes milling at least one of the pressing faces so as to modify its surface finish and increase its roughness, then covering the or each machined face with a thin layer of a material that is hard and has a high coefficient of friction. | 05-19-2011 |
20110179764 | TURBO-ENGINE COMPRESSOR TIP COMPRISING DE-ICING MEANS - The de-icing system comprises a flexible bladder ( | 07-28-2011 |
20110206503 | METHOD FOR THE MANUFACTURE OF A CIRCULAR REVOLUTION THERMOMECHANICAL PART INCLUDING A TITANIUM-BASED LOAD-BEARING SUBSTRATE LINED WITH STEEL OR SUPERALLOY, A TURBOMACHINE COMPRESSOR HOUSING WHICH IS RESISTANT TO TITANIUM FIRE OBTAINED ACCORDING TO THIS METHOD - A method for manufacture of a compressor housing which is resistant to a titanium fire (burning titanium). A circular blank made of steel, or steel alloy, or superalloy which is incombustible in the presence of a titanium fire is hydroformed against a circular blank made from titanium or titanium alloy. | 08-25-2011 |
20110211945 | METHOD FOR THE MANUFACTURE OF A CIRCULAR REVOLUTION THERMOMECHANICAL PART INCLUDING A TITANIUM-BASED LOAD-BEARING SUBSTRATE LINED WITH STEEL OR SUPERALLOY, A TURBOMACHINE COMPRESSOR HOUSING WHICH IS RESISTANT TO TITANIUM FIRE OBTAINED ACCORDING TO THIS METHOD - A method for manufacture of a compressor housing which is resistant to a titanium fire (burning titanium). An explosion cladding of a circular blank made of steel, or steel alloy, or superalloy which is incombustible in the presence of a titanium fire is accomplished on a circular blank made from titanium or titanium alloy. | 09-01-2011 |
20110236192 | COMPRESSOR HOUSING RESISTANT TO TITANIUM FIRE, HIGH-PRESSURE COMPRESSOR INCLUDING SUCH A HOUSING AND AIRCRAFT ENGINE FITTED WITH SUCH A COMPRESSOR - A compressor housing resistant to a titanium fire (burning titanium). A mixed housing is constructed, in which a structure holding stator blades includes a single-cast part made from titanium or titanium alloy, and at least one element forming a shield made from refractory alloy(s), and which is incombustible in presence of burning titanium, where each shield is secured to the single-cast part by fasteners. The fasteners are positioned with each shield so as to define jointly an inner wall demarcating an outer contour of the compressor airstream. | 09-29-2011 |
20110268566 | METHOD FOR THE MANUFACTURE OF A CIRCULAR REVOLUTION THERMOMECHANICAL PART INCLUDING A TITANIUM-BASED LOAD-BEARING SUBSTRATE LINED WITH STEEL OR SUPERALLOY, A TURBOMACHINE COMPRESSOR HOUSING WHICH IS RESISTANT TO TITANIUM FIRE OBTAINED USING THIS METHOD - A method for manufacture of a compressor housing which is resistant to a titanium fire (burning titanium). A ring made of steel, steel alloy, or superalloy which is incombustible in the presence of a titanium fire is ring roll-bonded with a ring made from titanium or titanium alloy. | 11-03-2011 |
20120107110 | THERMAL PROTECTION COATING FOR A TURBINE-ENGINE PART, AND A METHOD OF MAKING IT - A thermal protection coating, in particular for a turbine-engine part ( | 05-03-2012 |
20120180278 | REPAIRING COMPRESSOR BLADES BY COLD COMPACTING - A method for repairing a compressor blade of a turbine engine, the blade including a cat's tongue at the radial end thereof, the radial extension of which is less than a predefined nominal radial extension. The method includes elongating the cat's tongue via a cold-compacting operation applied to the walls of said tongue, such that the radial elongation thereof becomes greater than the nominal extension. The compacting operation is a roller-burnishing operation carried out by moving the end of the blade between two rollers having rectilinear generatrices and spaced apart by a distance smaller than the thickness of the cat's tongue, along the chord connecting the leading edge with the trailing edge thereof. | 07-19-2012 |
20130333213 | METHOD OF USING LASER SHOCK IMPACTS TO PRODUCE RAISED ELEMENTS ON A WALL SURFACE CAPABLE OF BEING SWEPT BY A FLUID IN ORDER TO CONTROL THE INTENSITY OF TURBULENCE IN A TRANSITION ZONE - A method for producing, on the surface of a wall capable of being swept by a fluid, raised elements forming disruptions of the boundary layer is disclosed. The method includes applying laser shocks to the surface so as to create peaks on the edge of the impact zones such that the peaks form the disruptive raised elements. | 12-19-2013 |