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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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WO/2008/130378A2 |
A method of mitigating the effects of damage to a metallic, ceramic, or intermetallic article through the introduction of compressive residual stresses taking into account the effects of the stress concentration factor associated with a ...
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WO/2008/121216A1 |
A method of repairing an integral engine component is disclosed. The method of repairing the integral engine component may include removing a damaged portion of a first member (20) to create a void (68). The method of repairing the integ...
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WO/2008/110427A1 |
The invention relates to a claimed method of repair for repairing a base material having components (1) with a directional microstructure. The repair is carried out in such a manner that a solder (7) is used which comprises components ha...
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WO/2008/110608A1 |
The invention relates to a method for repairing a component (1), particularly steam turbine component, particularly an inner housing or outer housing and a valve body (1) of a steam turbine. According to the invention, the method is char...
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WO2008088317B1 |
Methods and systems for cleaning, coating and sealing leaks in existing pipes, in a single operation. A piping system can be cleaned in one pass by dry particulates forced and pulled by air throughout the piping system by a generator and...
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WO/2008/107282A1 |
The invention relates to a method for the repair of a component (1) by means of a solder (10), the method being performed under specifically selected vacuum conditions in order to prevent oxidation and vaporization.
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WO/2008/095531A1 |
A brazing composition 507 for the brazing of superalloys comprising a base material (for example nickel) with at least one initial phase (for example fine aluminium particles) is provided. The initial phase has a solidus temperature that...
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WO/2008/094221A1 |
A method of replacing an individual damaged compressor stator airfoil (30) ' includes machining an oversized slot (12) through the stator casing (2), removing the damaged airfoil, and joining a sleeve (8) to the replacement airfoil (7) a...
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WO/2008/089752A1 |
Disclosed is a method for epitaxially closing and bridging cracks and gaps having a width d in monocrystalline or directionally solidified parts made of nickel base superalloys or cobalt base alloys by filling the crack or gap with a mol...
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WO/2008/083889A1 |
A method for drilling or cutting a pin (31) surrounded by solid material (32) includes the use of a water jet tool (10) having a nozzle (11) that is arranged at an angle with respect to a main body (12) of the water jet tool (10). The wa...
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WO/2008/071165A1 |
The invention relates to a device for the production or repair of a blade (10) for a gas turbine, said device (1) comprising: a holding device (12) for holding a blade (10) or an aerofoil of a blade (10); a lowering mechanism (14) for lo...
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WO/2008/046387A1 |
The method relates to a method of repairing high-pressure turbine blades of an aircraft engine, comprising the steps of: - detaching a damaged portion of the high-pressure turbine blade (1); and - producing a replacement portion for the ...
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WO/2008/046426A1 |
The invention relates to welding and overlaying and can be used for recovering worn-out parts of pieces like solids of revolution, in particular drill pipes. The inventive method for repairing a drill pipe (1) consists in forming a bead ...
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WO/2008/046427A1 |
The invention relates to welding and overlaying and can be used for recovering worn-out parts of pieces like solids of revolution, in particular drill pipes. The inventive device for repairing an overlayed drill pipe (1) comprises units ...
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WO/2008/034983A1 |
The invention relates to a method of repairing the roof (1) of a vehicle, the roof (1) being connected to the vehicle by at least one riveted joint holding together at least three superposed parts, one of these parts (2) being connected ...
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WO/2008/034413A1 |
The invention relates to a method of repair for moving blades of a gas turbine, with at least the following steps: a) providing a moving blade that is to be repaired; b) removing at least one damaged portion of a damaged blade tip from t...
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WO/2008/030930A2 |
In a method for servicing an apparatus having a compressor (22) mounted to a support structure (32, 38, 40), a guide structure (102, 104; 202, 204) is placed adjacent to the support structure. The compressor is lifted from an installed p...
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WO/2008/023785A1 |
A front panel (4) has a protruding arm (20), which is on a rear surface (40) and is to be inserted into an indoor unit main body (1). A shaft (30) extending in the horizontal direction is arranged on the arm (20). The indoor unit main bo...
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WO/2008/014403A2 |
Enables electric toothbrush head replacement on models that require users to replace entire toothbrush head assemblies (100). The head assemblies include much more than a simple toothbrush head (101), for example a shank (102) attached t...
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WO/2008/009270A2 |
The invention relates to a method for repairing a guide blade segment (1) which is preferably embodied as a twin guide blade segment in a guide blade composite element comprising at least two guide blades (10, 11) which are arranged betw...
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WO/2008/009267A1 |
The invention relates to a method for repairing turbine blades (1) by replacing at least one part of the blade profiled element, said method comprising the following steps: a) a replacement blade part (3) is produced as a cast part; b) t...
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WO/2007/141854A1 |
A method for repairing a mold which comprises, in the following order, a step of filling a heat-resistant inorganic repairing material (140), which contains an inorganic binder, inorganic particles and metal particles, into the cracks (H...
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WO/2007/135318A1 |
The object of the invention is method of cutting out a damaged area from an aircraft fuselage, in particular in order to repair said damaged area, consisting in making at least one cut-out in the fuselage (20) in order to delimit a cut-o...
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WO/2007/134586A1 |
The invention relates to a device for carrying out an inductive low-frequency or high-frequency pressure welding method for joining metallic components (12, 24), particularly gas turbine components. Said device comprises at least one gen...
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WO/2007/134883A1 |
In the repair of cracks according to the prior art, although the cracks are processed and filled with a braze alloy or a coupon, such a repaired component often does not have the desired mechanical high-temperature properties under the s...
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WO/2007/115533A1 |
Disclosed is a method for repairing a guide vane segment (1, 2) of a gas turbine, said guide vane segment comprising at least two guide vanes as well as an inner and an outer shroud. At least one guide vane (4, 6) is irreparably damaged ...
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WO/2007/107145A1 |
The invention relates to a method and a device (10) for joining at least one rotor blade (12) or at least one part of such a rotor blade (12) with a rotor support (14) of a gas turbine, especially a blade connection (16) of the rotor car...
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WO/2007/101423A1 |
The invention relates to the problem that during diverse machining steps of application to the production or reconditioning of internally cooled gas turbine blades (1), an undesired effect may be had on sections of the gas turbine blade ...
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WO/2007/098885A1 |
The present invention relates to a process for the repair and restoration of dynamically stressed components comprising aluminium alloys for aircraft applications, in which: a) the base material from which the component to be repaired wa...
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WO/2007/082787A1 |
Known welding filler materials can either be welded effectively but have poor mechanical properties, in particular at high temperatures, or cannot be welded effectively but have a high strength. The welding process according to the inven...
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WO/2007/081924A2 |
A repaired component with improved material and mechanical properties and a method of improving the properties of a repaired component are provided. The repaired component comprises a body, a repaired area integral with the body, and an ...
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WO/2007/048384A1 |
The invention relates to a method of producing a welded joint between components of a turbomachine, in particular for the repair of components, wherein components are welded to one another along common edges in such a way that a pocket-l...
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WO/2007/048255A1 |
A method for treating cracks in slabs (26) involving a step of positioning at least one cutting torch (14, 15, 16, 17, 44) along a slab processing line (28). The at least one cutting torch (14, 15, 16, 17, 44) being positioned to cut a s...
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WO/2007/042395A1 |
A method of repairing a component (406), in particular a gas turbine component, which is produced from a base material with an oriented microstructure, comprises the steps of: cleaning the repair site (420), filling the repair site (420)...
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WO/2007/031400A1 |
The invention relates to a solder alloy according to claim (1) and to a method for repairing a component according to claim (43). Solder methods that use known solders often have the disadvantage that the solder has poor high-temperature...
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WO/2007/012338A1 |
In a repair method according to the invention for repairing components (1) comprising a base material with a directed microstructure, the repair is performed in such a way that the repaired location (3) correspondingly has a directed mic...
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WO/2007/013212A1 |
A vacuum high pressure filling equipment in which a filling rate can be increased and the impregnation time can be shortened when a porous workpiece is immersed in filling liquid. The vacuum high pressure filling equipment comprises an o...
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WO2006093907A9 |
A method for repairing a heat recovery steam generator (HSRG) header to tube attachment damage, includes providing an access window (31) in the header (11) opposite the damaged header to tube attachment location; removing the header to t...
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WO/2007/006694A1 |
The invention relates to a method for integrally bonding parts to be joined (1, 7) that comprise joint areas. Said method consists of the following steps: the joint areas of the parts to be joined (1, 7) are placed together; nanoscalar p...
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WO/2007/008238A2 |
A process is provided for manufacturing or repairing a turbine component, wherein the component has internal cavity open to the outside (4), by inserting into the internal cavity a part (2) of a fixture (1), with the part (2) secured to ...
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WO/2007/001435A2 |
The present invention provides an apparatus and method for an adaptive machining and weld repair process useful for repairing airfoils (10), particularly damage to an airfoil leading edge (17) and tip. The process first machines away (21...
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WO/2006/121499A1 |
A method of repairing a generator blower hub assembly (12) and rotor blade (10) removed from the generator blower hub assembly (12) where the rotor blade (10) has fatigued material in threads of a threaded blade root (14). The method may...
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WO/2006/094779A2 |
The invention relates to a device and method for the non-cutting dressing of vehicle rims (18) for cars, motor lorries and motorcycles. Said invention makes it possible to industrially repair deformations, even difficult, on said rims (1...
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WO/2006/093899A2 |
A method for the inspection and repair of a tube (10) includes electrical discharge machining an access hole (15) into the tube (10), optionally at or near the uppermost location on the tube, near the upper header; performing inspection ...
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WO/2006/084439A1 |
The invention relates to a method for producing and/or repairing an integrally bladed rotor (10), particularly an integrally bladed gas turbine rotor (10), during which at least one moving blade (12) is joined to a rotor base body for th...
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WO/2006/077670A1 |
A method for the local application of a diffusion aluminide coating, which comprises a part preparation step (10) of exposing the base material of a portion of a metal part (1) to be coated and imparting a desired roughness to the surfac...
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WO/2006/076884A1 |
The invention relates to a method for repairing the turbine blades of a gas turbine comprising the following steps: a) provision of a turbine blade to be repaired; b) removal of a damaged vane section from the turbine blade to form a bla...
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WO/2006/063561A1 |
The invention relates to a method for repairing turbine vanes of a gas turbine, said method comprising the following steps: a) a turbine vane comprising, at least in sections, a PtAl coating to be repaired, is provided, b) the turbine va...
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WO/2006/056500A1 |
According to a prior art, components having a crack are repaired, wherein the thus produced elongated recess (7) is filled with a solder material which nevertheless produces a weak point. The inventive component (1), in addition to the m...
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