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WO/2006/015444A2 |
A collar and shaft combination comprises a shaft, a collar disposable on the shaft, means for restricting rotation of said collar relative to the shaft, and means for restricting reciprocal movement of said collar relative to the shaft. ...
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WO/2006/010357A1 |
The invention relates to a method for repairing a component (10), particularly a stator-side component of a gas turbine such a housing or a vane ring during which a damaged section is removed from the component, and a new section that re...
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WO/2006/001828A1 |
A method of repeating high-strength superalloy turbine blades and joining superalloy components is provided. A damaged region of the turbine blade is welded without preheating it. The welded turbine blade is then subjected to a hot isost...
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WO/2005/122713A2 |
Briefly, the present invention provides a process which uses an air jet (3) containing non-abrasive particulate media at a low pressure which selectively removes thermal barrier coatings (12) from components (10) without damaging the met...
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WO/2005/118214A1 |
The invention relates to a mobile wheel reconditioning facility (1) comprising a plurality of walls (2) determining said facility and a plurality of reconditioning stations, wherein said reconditioning stations at least include a paint s...
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WO/2005/108897A2 |
A capillary structure (90) for a heat transfer device, such as a heat pipe is provided having a plurality of particles including a first species (71) having a first diameter and a second species (73) having a second diameter that are joi...
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WO/2005/093128A1 |
A new method for repairing turbine engine components is provided. The method utilizes a cold gas-dynamic spray technique to repair degradation on turbine blades, vanes and other components. In the cold gas-dynamic spray process particles...
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WO/2005/075136A1 |
The invention relates to a method for repairing components (1) comprising a base material with an oriented microstructure, wherein the repair point (3) comprises a correspondingly oriented microstructure as the surrounding base material....
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WO/2005/071227A1 |
The invention relates to a method for repairing integrally bladed rotors, comprising at least the following steps: a) provision of an integrally bladed rotor (10), at least one blade (12) of which requires repair; b) patching of the blad...
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WO/2005/070613A1 |
The invention relates to a method for repairing a damaged and/or aged component of a turbomachine, which is made at least in part of a ceramic composite material. The aim of the invention is to create a method which allows the downtime o...
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WO/2005/053892A1 |
The invention can be used for repairing or hardening worn-out parts by means of electric-arc deposit or for producing new parts working in conditions of variable dynamic forces associated with increased wear and corrosion. The inventive ...
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WO/2005/046927A1 |
The invention relates to a rotating blade (16) for a turbomachine which can be cross flown by a flow medium, especially for a gas turbine which can be cross flown by a working fluid (20). Said gas turbine comprises a rotating blade base ...
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WO/2005/045198A2 |
A turbine blade and a process for manufacture of turbine blades is provided comprising: casting as one piece a blade body (18) and a first portion of an airfoil; forming a tip section having a tip cap (23) and a second portion of an airf...
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WO/2005/037483A1 |
Conventionally, cavities and cracks are filled with a solder metal which forms brittle phases with a subsequently applied coating, which have a negative effect on the mechanical properties. According to the invention, the components whic...
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WO/2005/035177A1 |
A method of welding a weld structure having excellent brittle crack propagation resistance to obstruct the propagation of a brittle crack occurring in a weld joint. In a butt-welded joint in which the propagation of a brittle crack may o...
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WO/2005/018954A2 |
The present invention provides a compact and portable wheel reconditioning station that enables a technician to rotate and index a wheel while a tire is mounted thereto and while the wheel (124) remains mounted on a vehicle. The device (...
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WO/2005/018865A1 |
The invention relates to a method for at least locally increasing the stability and/or load carrying ability of work pieces (10), whereby first of all a first work piece (11) is produced by means of a conventional manufacturing method. T...
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WO/2005/009643A1 |
A refractory lining is formed in a furnace (40) by providing a carrier (20) for a lining form (10) which has dimensions that provide a uniform space for the introduction of refractory material (50) when the lining form (10) is concentric...
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WO/2005/005048A1 |
A roll crusher assembly for use in the mining industry is disclosed. The assembly includes one or more than one roll (3) for crushing a feed material. The roll or rolls has an outer surface that is formed from a wear resistant material. ...
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WO/2005/005903A2 |
A capillary structure (25) for a heat transfer device (2), such as a heat pipe (2) is provided having a plurality of particles (27) joined together by a brazing compound (30) such that fillets (33) of the brazing compound (30) are formed...
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WO/2005/002782A1 |
A method of detecting fatigue crack capable of easily detecting the fatigue crack visually even at a rather initial stage and a method of suppressing the extension of the fatigue crack. The method of detecting the fatigue crack comprises...
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WO/2004/098827A1 |
This invention relates generally to a method for repairing a casting (10), and more specifically to a method of repairing a casting (10) by pouring melted filler material into a damaged portion of the original casting. Damaged cast metal...
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WO/2004/097179A1 |
The invention relates to a method for the maintenance of gas turbines. According to said method, a gas turbine is dismantled and modules, structural components, or component parts of the aeroplane mechanism are subsequently inspected and...
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WO/2004/096487A1 |
The invention relates to a method for repairing and/or modifying components of a gas turbine. Initially, at least one particularly damaged section of the component which is to be repaired is extracted from the component. A data set is th...
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WO/2004/076119A1 |
The invention relates to a method for restoring geometrically complex components which are damaged or have defects in areas which are difficult to access. According to said method, damaged or defective parts are cut out of the components...
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WO/2004/065051A1 |
A method of replacing the tip portion of a turbine blade for a steam turbine, the method comprising the steps of: (a) removing the tip portion of a turbine blade formed from chrome steel to form an exposed surface for joining to a replac...
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WO/2004/060605A1 |
An ultrasonic rotary horn (4) is repaired by removal of deteriorated metal condition from the horn energy transfer surface, and application and consolidation of metal powder (6) to the horn radial surface. An ultrasonic rotary horn havin...
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WO/2004/050294A2 |
On production of a component, two primary pieces must often be fixed together to give one piece. In order to achieve the above, it is important that the two primary pieces are oriented in a particular manner during the fixing process, wh...
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WO/2004/046560A1 |
A method of repairing a turbine blade fitted to a rotor (desirably a blower for blast furnace) in a corrosive environment capable of extending the service life of the turbine blade, characterized by comprising the steps of applying a ham...
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WO/2004/024971A1 |
A method is disclosed for recovering the properties of single crystal and directionally solidified Nickel based superalloys and articles made thereof, after use in a high temperature environment. The method comprises the steps of a stres...
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WO/2004/022266A1 |
Apertures in a component are difficult to close according to prior art because the closure of said aperture reopens or is provided with poor mechanical properties under operating conditions. Said problem is resolved by means of the inven...
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WO/2004/004953A2 |
A diffusion bond mixture paint and method for repairing a single-crystal superalloy article that minimizes the amount of braze alloy applied to the article. The amount of boron and eutectic brittle borides of the wide gap brazing process...
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WO/2004/001223A2 |
The invention relates to a method of replacing the teeth of the slewing ring of an aerogenerator in service. The inventive method consists in machining a damaged segment (12) of the ring (100), obtaining a replacement section (14), posit...
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WO/2004/001223A1 |
The invention relates to a method of replacing the teeth of the slewing ring of an aerogenerator in service. The inventive method consists in machining a damaged segment (12) of the ring (100), obtaining a replacement section (14), posit...
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WO/2003/072284A2 |
A method is disclosed for removing casting defects (5) from an article (1) with an oriented microstructure. The method comprises the steps of locating at least one casting defect (5) and melting the casting defect (5) locally by a heat s...
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WO/2003/068626A1 |
A heat pipe (5) is provided having a vessel (10) with a closed first end, a second end (24), and a wick (15) on an inner surface that defines a passageway. A convex wall (20) is positioned at the second end (22) so as to block the passag...
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WO/2003/047814A1 |
The invention relates to a method and device for polishing the surface (24) of a gas turbine blade (20). According to the invention, a metallic anticorrosive layer (32) is polished by using a stream of dry ice (14) whereby preventing the...
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WO/2003/043778A1 |
A method is disclosed of repairing cracks (5) on a surface (6) of a component (1) such as gas turbine components. The method comprises the steps of repairing the cracks (5) of the component by brazing, detecting by any means remaining cr...
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WO/2003/029521A1 |
The invention relates to a method for removing an area of a layer of a component consisting of metal or a metal compound. According to prior art, corrosion products of a component are removed in a first step by applying a molten mass or ...
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WO/2002/090039A1 |
A blade tip cap of turbine blade is repaired by restoring the tip rail (4) and attaching a strengthening rib (5) across the blade tip cap connecting the concave wall to the convex wall of the tip rail.
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WO2001096751A9 |
The present invention relates to a system and device which allows the replacement of a damaged thread in an object (12) with a thread identical to the damaged thread by enlarging the original threaded hole and inserting a thread-insert (...
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WO/2002/018673A2 |
The invention refers to mechanical engineering and metallurgy and can be predominantly used for the development of cermet alloys and surfaces based on ferrous and nonferrous metals that possessing high tribotechnical characteristics, wea...
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WO/2001/098022A1 |
Carbide drilling and cutting tools for use in manufacturing printed circuit boards are provided by a process that recycles used tools as the starting raw materials. The used tools have a working portion (46) and shank (44) with a diamete...
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WO/2001/094069A2 |
Cracks in the shaft (7) of a reactor coolant pump adjacent a tapered end (7t) on which the impeller is mounted are removed by a machining a circumferential groove (41) in the pump shaft to a depth and an axial length which removes the cr...
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WO/2001/075299A1 |
A valve guide (10) insert for lining and relining a valve guide bore in an internal combustion engine, where the internal combustion engine includes a valve (14) with a valve stem (16), and the valve guide bore (12) is configured to supp...
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WO/2001/070451A1 |
The invention relates to a method for removing a seal (3) that is fixed in a groove (6) of a component. According to said method, a highly pressurised jet of liquid is aimed at the seal (3) or between the seal (3) and the component in or...
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WO/2001/064387A1 |
A method of repairing a composite component (1) having a damaged area including: laying a composite lay-up (7) over the damaged area; locating at least one pressure chamber (3, 4) over the damaged area, the pressure chamber including a d...
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WO/2001/054857A1 |
There is disclosed apparatus (10) for use in the thermal processing of a component (1) such as an aero-engine turbine or compressor blade. The apparatus (10) comprises holding means (13) for retaining a first part of the component (1) in...
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WO/2001/051772A1 |
A method for repairing a turbine blade (10) wherein the tip (16) of the blade is removed (41,43) and a replacement cap is attached by welding (49). The cap may consist of a plate (48) attached by welding and a squealer (54) formed by dep...
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WO/2001/012382A1 |
A method for refurbishing turbine engine vanes in which the airfoils are removed and replaced. The original configuration of the vanes can be modified from a single casting or welded pair to a multi-piece component assembly comprising in...
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