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WO/2011/019554A1 |
A broaching apparatus (200, 400) includes; a broach (300, 600) having a cross-section corresponding to a geometry of slot (115) between adjacent steeples (110) of a turbine rotor (100), and a mechanism (210, 220, 230, 410, 420, 430) whic...
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WO/2011/015192A1 |
The present invention relates to a method for repairing components of a gas turbine made of a superalloy, comprising the following steps: a) providing a Ni-based solder and/or a solder alloy made of a mixture of a NiCoCrAlY alloy and the...
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WO/2011/009431A1 |
The invention relates to a method for replacing a blade (12) of a rotor (2) having integral blades, wherein a new blade (22) is joined to a base (34) arranged on a separation surface (28) on the main rotor body, and to a rotor repaired o...
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WO/2010/145018A1 |
A method for manufacturing a part selected from a plurality of part types is disclosed. The method involves the step of selecting, from a supply of workpieces, a workpiece of a type that is associated with the type of part selected, the ...
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WO/2010/142599A1 |
The invention relates to a method for reducing the diameter of an opening (2), comprising a step of peening a perimeter (3) of the opening (2). The invention also relates to a method for correcting the permeability of a part (9, 10) comp...
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WO/2010/136010A1 |
The invention relates to a method for surface hardening a component (10), particularly an aircraft construction component, wherein a force is applied to the surface (12) of the component (10), which is made of an intermetallic compound a...
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WO/2010/137707A1 |
Disclosed are a paste (grain-paste) which can reduce the fatigue crack growth rate of a metal material and can be well incorporated into a fatigue crack, and a metal material coated with said paste. The paste, which comprises a mixture o...
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WO/2010/132484A1 |
A technique for refurbishing nozzle diaphragm sections of a gas turbine replaces an eroded section of the nozzle diaphragm with a replacement part designed to engage a slot machined in the nozzle diaphragm. The replacement part is formed...
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WO/2010/115482A1 |
The invention relates to a method for repairing worn valve spindles comprising a valve body (13) consisting of an iron-base alloy and sheath sections forming a sheath body (9) in the region of the valve head (1) consisting of a Ni-base a...
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WO/2010/115398A1 |
The invention relates to a method for welding two components (10, 14) comprising joining surfaces (12, 16) to be connected. Said method comprises the following steps: the two components (10, 14) are positioned such that the joining surfa...
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WO/2010/070548A1 |
A method of repairing a metallic artefact (40) with an open defect in or on a metallic surface or substrate of the metallic artefact includes cold forging the open defect to close the open defect and thereafter laser cladding the cold fo...
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WO/2010/057469A1 |
The invention relates to a method for producing or repairing gas turbine components, comprising at least the following steps: a) preparing a base body, wherein either a newly produced component is built up, or a previously removed, damag...
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WO/2010/054634A1 |
The present invention relates to a method for replacing an inner disk element (2) of an integrally bladed disk (1), wherein the integrally bladed disk (1) has a plurality of openings (9) in the form of axial through-bores in the joining ...
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WO/2010/051799A2 |
The invention relates to a repair method for gas turbine components, particularly for gas turbine blades, comprising at least the following steps: a) providing a gas turbine component to be repaired; b) removing a damaged section from th...
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WO/2010/051174A1 |
System and apparatuses for utilizing in-situ generated hydrogen fluoride (HF) in a cleaning process. An exemplar)1 system includes a cleaning retort operable at a temperature sufficient to promote an in-situ reaction between a liquid or ...
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WO/2010/037438A1 |
The invention relates to a method for repairing damage to the water-cooled cylinder head in a 4-cycle internal combustion engine having seat ring pockets for valve seat rings (1, 2) of intake or exhaust valves connected to cooling channe...
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WO/2010/040115A1 |
A method and apparatus to seal a leakage of air from a wheel rim by using a sealer having a first layer made of fibrous material with at least one side adhesive and a second layer of a spreadable sealant applied over the first layer in o...
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WO/2010/036430A2 |
A gas turbine engine airfoil is repaired by machining away airfoil material along at least a portion of at least one of leading and trailing edges and a radially outer tip forming at least one cut¬ back area and forming a weldment by we...
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WO/2010/034412A1 |
The invention relates to a method for repairing a housing part (12, 25) of an aircraft engine. With the method, either an existing cylindrical bore (14) is widened into a conical bore (18), or a conical bore (27) is created. A filler par...
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WO/2010/007323A1 |
The invention relates to a method for repairing or reworking a turbomachine disk comprising, on its rim, at least one exterior radial tab with an axial bore to accommodate an axial stud comprising a head and a shank with a threaded porti...
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WO/2009/150296A1 |
Invention relates to a method of reconditioning a cylinder head (10) of an internal combustion engine, which cylinder head (10) comprises a cylinder head body and at least one worn part fixed to the cylinder head (10), which method compr...
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WO/2009/143909A1 |
The present invention provides a welding device for welding workpieces (9) made of high-temperature resistant super alloys. The device comprises: - a heat source (3) for creating a heat application zone (11) on the workpiece surface (10)...
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WO/2009/143819A1 |
The present invention relates to a process for repairing single-crystal turbine blades, preferably of a high-pressure turbine stage, by replacing a blade part, said process comprising the following steps: - removing the damaged part from...
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WO/2009/144975A1 |
Brazing repair material (3) is packed into a region to be repaired in a base material (1) having a defect such as a crack (2) or corrosion, and diffusion heat treatment is carried out in order to join and integrate the brazing repair mat...
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WO/2009/141520A2 |
The invention relates to a device for straightening up deformed metal and/or plastic elements after having undergone an excessive mechanical stress such as, for example, a shock. It comprises at least one supporting element (1) provided ...
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WO/2009/131968A2 |
An apparatus and method for adding an alkali metal promoter into steam and contacting the solution with a dehydrogenation catalyst during a dehydrogenation reaction is disclosed. The apparatus has a first conduit capable of transporting ...
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WO/2009/129820A1 |
Fillers which contain melting-point reducers are used when brazing components to be repaired (e.g. turbine components made from a superalloy). However, these melting-point reducers impair the mechanical properties of the component during...
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WO/2009/085654A1 |
A method for making a turbine airfoil includes: (a) providing a mold having. (i) a core, (ii) an outer shell surrounding the core such that the core and the outer shell cooperatively define a cavity in the shape of an airfoil having at l...
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WO/2009/070028A1 |
This invention is a principle to automate bending of deformed fishhooks (7) back to their correct shape by gripping the barb with a twisthead (11) and a moveable support device (12), and also to sort out defective fishhooks (7) with thei...
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WO/2009/050229A1 |
The present invention relates to a method and an apparatus (2) for mobile repair of a stationary rotor seals (1) of a turbo machine basically carrying out the following steps, - 3D-scanning of the stationary seal (1), - generation of 3D-...
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WO/2009/046735A1 |
Welding repair of single crystal super alloys often leads to two main types of defects: cracks and spurious grains. Both defects can be avoided using an optimized preheating temperature set to 500 °C.
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WO/2009/040306A1 |
The invention relates to a method for repairing a component such as a turbine blade. At the end of its operating time, said component has, for example, a depletion of aluminium in a region (12) near the surface, the invention providing t...
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WO/2009/041955A1 |
A bowling pin refurbishing process is disclosed. The bowling pin refurbishing process comprises the following steps. First, providing a plurality of bowling pins. Each of the plurality of bowling pins having an outer surface and a base p...
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WO/2009/036520A1 |
A method for repairing an imperfection in a metallic article, the method comprising the steps of applying a molten alloy which expands upon solidification to the imperfection, and allowing the applied alloy to solidify.
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WO/2009/030960A1 |
The present application relates to a process and device (38) for treating rails (20) in order to improve their durability, the process comprising adding a metal surfacing material to the rail (20) by the process of friction surfacing. Op...
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WO/2009/023020A1 |
A method for adjusting the camber of a vehicle's axle comprising attaching collars (30, 30', 32, 32', 44) to the axle (12) of the vehicle attaching links (38, 38') to the collars, introducing a deflection in the axle in a concave downwar...
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WO/2009/022936A1 |
Invention relates to the repair-restoration works and can be used for manufacturing new wheel sets and also for restoration worn-out wheels sets. According to the present invention wheel sets are restored during machining of the tread su...
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WO/2009/020901A1 |
Methods for welding a particle-matrix composite body (120) to another body (154) and repairing particle-matrix composite bodies (120) are disclosed. Additionally, earth-boring tools (110) having a joint that includes an overlapping root ...
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WO/2009/012747A2 |
The invention relates to a method of repair for turbomachine blades, in particular for gas turbine blades, with the following steps: a) providing a turbomachine blade that is to be repaired, in particular a gas turbine blade that is to b...
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WO/2009/005721A1 |
A system and method for reconfiguring a turbine vane (12). In at least one embodiment, the system may be used to straighten an airfoil (14) of a turbine vane (12) segment to remove lean, twist, or racking, or any combination thereof. The...
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WO/2009/001026A1 |
A method of forming a fully consolidated joint between first (12) and second components (14) comprising the steps of : a) forming a slot (16) in the first component (12); b) inserting at least part of the second component (14) into the s...
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WO/2008/155147A1 |
The invention relates to a method for repairing a region of a heat insulating layer (4) on a component (1), the layer being made of an MCrAlY bonding agent layer applied to the component (1) and a ceramic layer resting thereon, wherein t...
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WO/2008/154940A1 |
The invention relates to a method for repairing an area of a thermal insulation layer (4) on a component (1). Said layer is made of a MCrAlY-bonding agent layer, which is applied to the component, and a ceramic layer arranged thereon, wh...
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WO/2008/151592A1 |
The present invention relates to an induction coil (10) for use in a method for the inductive heating of metal components, particularly components of a gas turbine, comprising at least two windings (12, 14). The distance (A, B, C) betwee...
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WO/2008/148636A1 |
A method for performing repair to a length of water-wall tubing (15) calls for aligning a substitution sleeve (30) in the length, welding an upper internal portion (40) and a lower internal portion of the sleeve to the water-wall tubing ...
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WO/2008/144819A1 |
An apparatus (12) for an underwater heat treatment system that reduces stresses in metal joints in an underwater environment comprising a flexible heat treatment blanket (16) arranged to be attached to a metal surface (10). The invention...
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WO/2008/138300A1 |
The invention relates to a method of repair for gas turbine components, in particular for integrally bladed gas turbine rotors, comprising the following steps: a) providing a gas turbine component that is to be repaired, in particular an...
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WO/2008/138385A1 |
The invention relates to a method for welding turbine components (120) comprising at least one opening (3) to be protected during welding. The method comprises the following steps: insertion of a protective material (13) into the opening...
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WO/2008/135656A1 |
The invention relates to a method for repairing by machining a workpiece (1) such as the vane of a turbomachine, from a known process of the part (B), wherein said method includes the step of deforming (32) the profile (B) by a morphing ...
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WO/2008/131724A1 |
The invention relates to a semi-finished product for producing a repaired blade for a gas turbine. Said semi-finished product comprises a first part (10) and a second part (12) firmly connected to the first part (10), the first part (10)...
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