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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8181346 | System for forming a labyrinth seal on a turbine blade A system for forming a labyrinth seal on a turbine blade has a fixture with a plurality of nozzles for distributing a coolant, a first jaw set for clamping and holding a root portion of the turbine blade in a first orientation, which first jaw set is attached to the... | 05/22/2012 |
| 8161641 | Compound electromachining A preform includes an airfoil stub and a dovetail hub. The hub first undergoes electrochemical discharge machining to form a rough dovetail. The airfoil stub undergoes electrochemical machining to form an airfoil. The rough dovetail then undergoes electrochemical di... | 04/24/2012 |
| 8151459 | Forming firtree profiles A firtree profile, for example on a component of a gas turbine engine, is formed in a two-stage process. In one stage, an intermediate profile is formed, for example by a mechanical machining operation such as grinding. Subsequently, in a second stage, loaded flanks... | 04/10/2012 |
| 8132325 | Co-forged nickel-steel rotor component for steam and gas turbine engines A method of forming a rotor for a turbine engine such that the rotor is formed of two materials including: an inner disk formed from a first material, such as steel, and an outer ring formed from a second material, such as a nickel alloy, having a larger thermal exp... | 03/13/2012 |
| 8069563 | Blade structure for torque converter and process for producing the same A blade structure for a torque converter, produced by a process including the steps of: stamping a flat blank into a first annular plate that includes a first connecting ring portion, a second connecting ring portion, and a plurality of blades spaced from each other... | 12/06/2011 |
| 8051565 | Method for increasing fatigue notch capability of airfoils A method of reducing crack propagation in an airfoil includes: providing an airfoil having a root spaced apart from a tip, spaced-apart leading and trailing edges, a suction side extending from the leading edge to the trailing edge, and an opposed pressure side exte... | 11/08/2011 |
| 8046915 | Methods for making composite containment casings Method for making a composite containment casing having an integrated abradable system involving providing a mandrel having a pocket, positioning a sandwich structure into the pocket, applying at least one ply of a material about the mandrel having the pocket contai... | 11/01/2011 |
| 7966726 | Levelling of root bushings on blades for wind turbines The present invention relates to a method of manufacturing a blade for a wind turbine, wherein the blade is made in one or more moulds; and wherein the blade has integrally moulded root bushings in the root of the blade for direct or indirect attachment to a hub in ... | 06/28/2011 |
| 7905016 | System for forming a gas cooled airfoil for use in a turbine engine A turbine airfoil system for forming a turbine airfoil that is usable in a turbine engine. The airfoil may be formed from a porous material shaped into an outer airfoil shape. The porous material may include an inner central spar capable of supporting the turbine ai... | 03/15/2011 |
| 7895746 | Method for manufacturing a wind turbine blade The invention relates to a method for manufacturing a wind turbine blade or a section of a wind turbine blade. The method includes, establishing a first part having a first wind turbine blade part in a first fixating unit, establishing a second part having a second ... | 03/01/2011 |
| 7870670 | Process including intermetallic titanium aluminide alloys The invention proposes a process for producing components (10) or semi-finished products which contain intermetallic titanium aluminide alloys, which includes the following process steps: rough contouring of a plurality of plate-like bodies (11) so as ... | 01/18/2011 |
| 7849596 | High efficiency turbine and method of making the same The present invention is directed to a method of manufacturing a turbine blade. The method comprises selecting a pipe having a specific inner diameter, length and wall thickness, cutting the pipe along a spiral trajectory to produce a coil, securing the coil, and sh... | 12/14/2010 |
| 7805839 | Method of manufacturing a turbine fan blade A metal leading edge of a turbine fan blade is manufactured by cutting and shaping an elongated metal part. The metal part has front and rear edges extending lengthwise of the part, and has a generally wedge-shaped transverse cross-section with opposite sides diverg... | 10/05/2010 |
| 7761993 | Method for increasing the fatigue life of a blade root of a turbomachine blade A method for increasing the fatigue life of a blade root of a turbomachine blade, wherein the blade root has at least one slot for back-gripping fixing of the blade root in a shaft component or a casing component of a turbomachine. The method comprises impressing a ... | 07/27/2010 |
| 7690112 | Process and apparatus for producing a turbine component, turbine component and use of the apparatus Process and apparatus for producing a turbine component, turbine component and use of the apparatus Turbine components have to withstand high thermal and mechanical loads. It therefore proves advantageous for them to be made from a material with a preferred c... | 04/06/2010 |
| 7685713 | Process to minimize turbine airfoil downstream shock induced flowfield disturbance A process of designing a transonic airfoil that results in an exit deviation angle that is optimized to minimize downstream shock induced flowfield disturbances. Specifically, a design process of a transonic airfoil minimizes pitchwise variation in downstream static... | 03/30/2010 |
| 7658004 | Method and device for the finish machining of gas-turbine engine blades cast in a brittle material For the finish machining of turbine blades cast in titanium aluminide, the feeders (3) and runner portions (6) yielded by the casting process remain on the blade and serve as auxiliary clamping structure for clamping the blade to the workpiece carrier ... | 02/09/2010 |
| 7640661 | Process for manufacturing a reinforcing leading or trailing edge for a fan blade A process for manufacturing reinforcing parts (14) for leading edges (10) and/or trailing edges (12) of fan blades (1) is described. In particular, this invention relates to the use of the SPF/DB ( | 01/05/2010 |
| 7578059 | Method for manufacturing constituents of a hollow blade by rolling In a method for manufacturing a hollow blade for a turbomachine, the blade is made from a preform derived from external primary parts. Each primary part comprising a root part is formed by flattening a blank cut out from a ring with a large diameter provided with a ... | 08/25/2009 |
| 7526862 | Method of manufacturing a hollow blade for a turbomachine Method of manufacturing a hollow blade (1) for a turbomachine in which the blade (1) is made from a preform (14) obtained from external primary parts (28, 30). In order to reduce costs, the root part (2) of the blade is formed from... | 05/05/2009 |
| 7509737 | Fan blade manufacturing methods A method of manufacturing a fan blade includes providing a fan blade blank including opposed major faces, opposed inner and outer extremities, and opposed first and second sides defining opposed first and second edges, respectively. The method further specifies cutt... | 03/31/2009 |
| 7407715 | Method of brazing and article made therefrom A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected... | 08/05/2008 |
| 7377037 | Fillet machining method without adaptive probing A method for finishing a part having excess material includes generating one or more surfaces on a model of the part to be machined, creating a machining tool path drive geometry, using the machine tool path drive geometry and one or more surfaces on the model to be... | 05/27/2008 |
| 7371049 | Manufacturable and inspectable microcircuit cooling for blades A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a plurality of microcircuits having at least one passageway on an exposed internal wall of the first h... | 05/13/2008 |
| 7367929 | Machine tool and method for cutting machining of workpieces A machine tool for the cutting machining of workpieces, in particular of metallic workpieces, has a first and a second tool spindle for receiving a first and a second machining tool, and it has a first and a second workpiece carrier for receiving a first workpiece a... | 05/06/2008 |
| 7351040 | Methods of making wind turbine rotor blades A method of manufacturing a root portion of a wind turbine blade includes, in an exemplary embodiment, providing an outer layer of reinforcing fibers including at least two woven mats of reinforcing fibers, providing an inner layer of reinforcing fibers including at... | 04/01/2008 |
| 7334995 | Turbine blade assembly and method of manufacture Aspects of the invention are directed to a turbine blade assembly and an associated method of manufacture. The turbine blade assembly can include: (a) a unitary structure having an airfoil and a primary root portion; (b) a separately-formed platform; and (c) a secon... | 02/26/2008 |
| 7334306 | Methods and apparatus for fabricating a turbine nozzle assembly An apparatus enables a turbine nozzle, including at least two turbine nozzle singlets to be fabricated. Each singlet includes inner and outer bands and a vane extending therebetween. The vane also includes first and second sidewalls coupled together at a leading edg... | 02/26/2008 |
| 7334331 | Methods and apparatus for machining components A method of using a machining assembly to machine a plurality of different turbine components that include a dovetail having a contoured profile. The method includes removably coupling a first set of retainers into the machining assembly, the first set of retainers ... | 02/26/2008 |
| 7334991 | Turbine blade tip cooling system A turbine blade for a turbine engine having a cooling system in the turbine blade formed from at least one elongated tip cooling chamber for passing cooling fluids in close proximity to an outer surface of the tip section of a turbine blade. The cooling system may i... | 02/26/2008 |
| 7334333 | Method for making a hollow fan blade with machined internal cavities Hollow fan blades for turbo fan gas turbine engines are formed of two separate detail halves. Each detail half has a plurality of cavities and ribs machined out to reduce weight. The floor and opposite interior walls of each cavity are machined simultaneously. The c... | 02/26/2008 |
| 7331093 | Pieces hold-unit for workstations, transfer machines and like A pieces hold-unit for machine tools such as workstations, transfer machines and milling machines is provided which comprises two parallel supports (12, 13) placed on a plane with at least a first of said support guided, controlled and movable with respect to... | 02/19/2008 |
| 7325307 | Installation for shaping a hollow blade A hollow blade is shaped by superplastic inflation of a blank made up of welded-together sheets. A die comprising two hollow shapes clamping the outline of the blank is placed inside an autoclave-forming enclosure in order to subject the blank to superplastic inflat... | 02/05/2008 |
| 7311497 | Manufacturable and inspectable microcircuits A method for manufacturing a turbine engine component comprises the steps of forming a first half of an airfoil portion of the turbine engine component and forming a first cooling microcircuit having at least one passageway on an exposed internal wall of the first h... | 12/25/2007 |
| 7306412 | Rotary milling cutter and milling method using the same technical field An end mill 10 is a tool for milling a metal block such as a metal mold and is placed in a machine tool such as a milling machine when in use. The end mill 10 is used to provide a rotary milling cutter and a milling method using the same, in which it i... | 12/11/2007 |
| 7287939 | Method for controlling relative displacements of a tool against a workpiece Relative movements of a tool and a workpiece are controlled by moving a tool axis in all spatial dimensions for the material-removal machining of the workpiece to produce a desired target contour of the workpiece by a sequence of relative movements along a tool traj... | 10/30/2007 |
| 7278829 | Gas turbine blade having a monocrystalline airfoil with a repair squealer tip, and repair method A repaired gas turbine blade includes a turbine blade body having a monocrystalline airfoil made of a first nickel-base superalloy, and a repair squealer tip welded to a tip of the airfoil. The repair squealer tip is made of a second nickel-base superalloy different... | 10/09/2007 |
| 7280950 | Locomotive diesel engine turbocharger and turbine stage constructed with turbine blade vibration suppression methodology A method for fabrication of a locomotive diesel engine turbocharger turbine stage so as to avoid harmonic vibration in the turbine blades when the engine is operated at pre-selected throttle settings. Upon determining throttle settings for the engine and modeling of... | 10/09/2007 |
| 7270519 | Methods and apparatus for reducing flow across compressor airfoil tips An airfoil for a gas turbine engine includes a leading edge, a trailing edge, a tip, a first side wall that extends in radial span between an airfoil root and the tip, wherein the first side wall defines a first side of said airfoil, and a second side wall connected... | 09/18/2007 |
| 7261500 | Method and apparatus for machining a blank from all directions in a machine tool or milling machine The corresponding machine tool or milling machine for carrying out the method described has a milling spindle which is displaceable in three spatial directions and with which the workpiece can be machined in a machining region, the machine tool or milling machine ha... | 08/28/2007 |
