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WO/2011/157354 |
In a method for repairing worn or damaged rotor blades (12) of an aircraft engine, the laser build-up welding for restoring the blade tips (16) does not take place in a continuous welding process along the blade edge but only in a portio...
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WO/2011/159437 |
A method of servicing an airfoil assembly (10) for use in a gas turbine engine. The airfoil assembly (10) is defined by a base material and includes an airfoil (12) and a platform (16) from which the airfoil (12) extends. A predetermined...
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WO/2011/119238 |
A rail repair method and insert therefor enables repair of rails and rail-like structures. A rail defect is initially identified and removed as contained within a volumetric material portion so as to form a contoured void while maintaini...
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WO/2011/113833 |
The invention relates to a method for reprocessing a turbine blade having at least one platform (7) which due to the action of corrosion is undersized on at least one lateral platform face (9, 11). According to the method, the target dim...
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WO/2011/113831 |
The invention relates to the use of PSP elements for repairing blade edges (412) in a simple manner by soldering the PSP element (7) over a large surface around the damaged area (4).
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WO/2011/115731 |
A component in a gas turbine engine includes an airfoil (10A) extending radially outwardly from a platform (16A) associated with the airfoil (10A). The airfoil (10A) includes opposed pressure (20A) and suction (22A) sidewalis, which conv...
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WO/2011/110435 |
The subject matter of the invention is a method for repairing sealing areas of sealing segments of a rotor/stator seal of a gas turbine that are arranged on the inner circumference of a part of the turbine casing. In the case of the meth...
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WO/2011/098705 |
The invention relates to a method for repairing a flange (1) of a housing, for example made of aluminum, for a turbine engine such as an airplane jet engine or turboprop, the flange (1) comprising at least one hole (2) for an apparatus a...
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WO/2011/100663 |
An air intake system for a gas turbine includes one or more coils in airflow communication with an inlet arrangement. Each coil is constructed and arranged to have a respective upstream face velocity that is intended to be within 20% of ...
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WO/2011/093792 |
A process for rebuilding a damaged crawler surface pad (125) of a crawler element (115) in a crawler loop (110) of a tractor crawler. The crawler surface pad (125) comprises a first pad layer (130) that is affixed to a base plate (135), ...
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WO/2011/092019 |
The invention relates to a repair method for a composite component (1) for an aircraft, comprising a base body (2) consisting of a fibrous composite material and a metal part (3) connected to the base body (2). Measures are taken so that...
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WO/2011/089957 |
Disclosed is a method for repairing a wall member with passages, which is capable of reducing the time and cost required for partial repair work of the wall member with the passages. Specifically disclosed is a method for repairing a wal...
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WO/2011/088104 |
An apparatus and method for vaporizing and transporting an alkali metal salt is shown. The apparatus has a first conduit capable of transporting an alkali metal salt solution and a second conduit in fluid communication with the first con...
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WO/2011/086816 |
This repair device is provided with a casing, a slide shaft which is disposed in such a way as to be slidable with respect to this casing, a turntable which is disposed in such a way as to be rotatable with respect to this slide shaft, a...
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WO/2011/080257 |
The invention relates to a method for repairing a housing part (10, 25) of an aircraft engine. In the method, a conical bore (18, 27) is first produced in the housing part (10, 25). A filler piece (19) which has a conical lateral surface...
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WO/2011/080159 |
The invention relates to a stopper used for sealing off a hole, having an improved geometry, by means of which a resistance welding process can be automated and the heat influence zone can be reduced after welding, so that the component ...
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WO/2011/076549 |
The invention relates to a method for applying a ceramic layer (21) to the sealing surfaces (4) of sealing segments (3) arranged on the inner circumference of a turbine housing part (1) of a rotor/stator seal of a gas turbine. According ...
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WO/2011/076204 |
In recent years, flat-type fittings and, as an alternative, well-type fittings have been used more widely in the connection area of beer barrels. The two connections are not compatible with one another with regard to the tap, filling and...
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WO/2011/073071 |
The invention relates to a method for repairing a metal part by recharging the damaged parts by means of spraying a powder of said metal onto said part, wherein the process is characterized in that it includes a step of laser recharging ...
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WO/2011/060947 |
The invention relates to a deep hole drill, comprising a first coating extending over the effective length of the guide section and a second coating that is applied to the tip of the drill in the cutting region, the region of which exten...
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WO/2011/058045 |
The invention relates to a welding method for welding workpieces (9) made of highly heat-resistant superalloys. Said method includes: generating a heat input zone (11) on the workpiece surface (10) by means of a heat source (3); feeding ...
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WO/2011/053157 |
The present invention provides a method of repairing welds in aluminium sandwich panels (1) comprising the steps of: making the root bead (2) of the weld (3) to be repaired by tungsten inert gas welding (TIG); and making up the remainder...
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WO/2011/039197 |
The invention relates to a method for repairing a compressor blade (2) of a turbine engine, said blade comprising a cat's tongue (5) at the radial end thereof (4), the radial extension of which is less than a predefined nominal radial ex...
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WO/2011/035772 |
The invention relates to a method for repairing an integral rotor (10), in particular a rotor (10) of a gas turbine, having a main rotor body (12) and a plurality of blades (14), the method comprising the following method steps: separati...
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WO/2011/035773 |
The invention relates to a method for repairing a damaged component (14) of a turbomachine, wherein at least the steps of providing a replacement part (10), which is connected to a replacement part carrying device (12) that is thicker th...
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WO/2011/026469 |
The invention relates to a method for heat treating gas turbine blades, namely, for locally heat-treating at least one blade section (14) of a gas turbine blade (10). A blade base section (11) of said or of each gas turbine blade (10), w...
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WO/2011/020814 |
The present invention provides a method and system for automated repair of a machine component (1). According to the proposed method, a first geometry of said component (1), including a damaged portion (12) of the component (1), is digit...
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WO/2011/019554 |
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/2011/015192 |
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/2011/009431 |
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/2010/149141 |
The invention relates to a method for producing and/or repairing a blade (10) for a turbo-machine, in particular for a thermal gas turbine, wherein first a main blade body (11) made of a titanium-aluminum alloy is provided, which main bl...
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WO/2010/145018 |
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/2010/142599 |
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/2010/137707 |
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/2010/136010 |
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/2010/130679 |
A method for remanufacturing coolers, such as exhaust gas recirculation coolers, is provided. The method includes providing an exhaust gas recirculation cooler (10) having cooling tubes (35) attached to a header plate (40) and an outer s...
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WO/2010/132484 |
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/2010/115398 |
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/2010/115482 |
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/2010/112553 |
During the filling of recesses (16) by welding, binding defects and cracks may appear. A suitable filling strategy in which welding material is also produced outside the recess (16), on the surface, enables said problems to be avoided.
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WO/2010/070548 |
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/2010/057469 |
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/2010/054634 |
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/2010/051799 |
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/2010/051799 |
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/2010/051174 |
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/2010/040115 |
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/2010/037438 |
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/2010/036430 |
A gas turbine engine airfoil (34) is repaired by machining away airfoil material (50) along at least a portion of at least one of leading (LE) and trailing edges (TE) and a radially outer tip (38) forming at least one cut-back (80) area ...
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WO/2010/034412 |
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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