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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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WO/2001/012381A1 |
A method of refurbishing turbine engine vanes (2) in which an alloy blend of a cobalt based superalloy and a nickel base superalloy corresponding to the base material of the turbine vane cobalt platform and the base nickel material of th...
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WO/2001/008830A1 |
A coining die apparatus (10) for reshaping the backing plates (72) of spent rotary drum brake cores (11) in the production of remanufactured brake shoes comprises a lower die (30) having a concave working surface (35) configured to suppo...
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WO/2000/044525A1 |
A process is provided for repairing the horizontal mount area of a JT9D turbine exhaust case (1) having two mounting flanges (2, 3) by inspecting the horizontal mount area, weld repairing any defects found in the case wall and installing...
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WO/2000/038877A1 |
A method of repairing a punctured wall of a double-skinned freight container (1) having foam (4) between an inner (2) and outer skin (3) thereof by removing a portion of punctured skin and foam of one of a number of pre-determined sizes ...
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WO/2000/037210A1 |
The invention relates to a blade and to a rotor for a gas turbine and to a method for linking the blade parts of a gas turbine. The invention provides a blade section (1) and at least one additional blade part (4, 16, 21). Said blade sec...
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WO/2000/033319A1 |
A device (1) for servicing a fastening element (2, 20), comprising an adapter (3) for positioning the fastening element, means for cleaning (4) and testing (5), respectively, of the fastening element, and a first drive device (9) for dri...
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WO2000010765B1 |
This invention relates to an improved method for repairing damaged or worn surfaces of turbine components or upgrading older designs to new, improved designs. This improved method applies to both high pressure and low pressure turbine co...
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WO/2000/017490A2 |
A method for repairing gas turbine engine airfoil parts. The dimensional differences between pre-paired dimensions of a turbine engine airfoil part and desired post-repair dimensions of the turbine engine airfoil part are determined. A b...
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WO/2000/003834A1 |
Method for repairing and producing an integrally bladed rotor for a hydraulic engine, wherein at least one blade section is removed in case of repair leaving behind a stub section (13) for welding a replacement blade section (20) and whe...
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WO/1999/064200A1 |
A method and apparatus for repairing a turbine engine vane segment (10) of at least one airfoil (16) disposed between band or platform members (12, 14) originally assembled in a designed relationship uses locating features (26) integral ...
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WO1999034952A9 |
A repair kit for a motor vehicle friction clutch, for example a motorcycle friction clutch, that is economical, simple to install, and which can extend the life of the original outer clutch hub (3), and a method for repairing the frictio...
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WO/1999/010696A1 |
A method of repairing a heat exchanger tube (20) in a steam generator includes the step of removing a degraded tube segment (80) from an operative heat exchanger tube (20) in a steam generator. A weld metal ring (82) is then positioned b...
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WO/1998/043834A1 |
The present invention relates to a railway wheel and a method for improving the properties of railway wheels (1). According to this method portions of the base material (2) of the railway wheel (1) are removed and replaced by completing ...
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WO/1998/038007A1 |
The invention relates to a device for regenerative surface working of extended coating elements (31) of drainage boxes (34) of a paper machine, comprising two longitudinal supports (1, 2) which are held at a parallel distance by a bottom...
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WO/1998/028458A1 |
A method of forming a metal product. The attributes of a final workpiece product are selected (step one). An appropriate substrate composition is determined depending on the selected attributes (step two). A workpiece substrate is formed...
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WO/1997/021516A2 |
The invention concerns a method of repairing cracks in a metal component (1), in particular a guide blade (10) of a gas turbine, said component (1) having a crack (2). According to the invention, the crack (2) in the component (1) is mad...
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WO/1997/015403A1 |
The invention concerns a method of repairing defects (2) which only cover a small area on a surface coating on a flat component (3), e.g. a vehicle bodywork part, by means of a number of repair tools (44, 45) which are used in sequence, ...
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WO/1997/009149A1 |
The wall of a pressure vessel tube having cracks or other discontinuities is repaired by localized melting with the addition of an alloying material. The melting reforms or eliminates the discontinuity while the alloying material improve...
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WO/1997/004912A1 |
The boring machine according to the present invention, that may be applied onto the piece to be bored and suitable for performing welding surfacing on the same point to be bored, inside or outside, with working performed in automatic or ...
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WO/1996/027684A1 |
Gas turbine engine static component with a metallic panel section, either linear or curved, that is susceptible to cracks initiated by features on the component has an elongated laser shock peened region having deep compressive residual ...
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WO/1996/012588A1 |
A system and method are described for the use of shape-memory alloys in repair and retrofit. The shape-memory alloys are used in the form of plates or rods made of shape-memory alloys, or in the form of composite plates (10) or rods cons...
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WO/1996/009136A1 |
The present invention relates to a method for repairing and restoring the functionality of equipment subjected to internal corrosion during its operation at high or medium pressure in a plant for the synthesis of urea. This method compri...
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WO/1996/003250A1 |
The wall of a pressure vessel tube having stress-corrosion cracks or the like is repaired by localized melting using laser welding, for fusing over defects by melting and re-solidifying the metal. A reactive cover gas is maintained over ...
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WO/1996/000840A1 |
The present invention relates to a method for refurbishing or restoring a turbine vane or other airfoil to restore a desired flow area. The method in one embodiment comprises the steps of: providing a plate to be used to restore the flow...
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WO/1995/035396A1 |
A nickel-based polycrystalline alloy comprising 0.03-1.9 % hafnium, 0.003-0.32 % boron, 0.02-0.16 % yttrium and 0.007-0.35 % zirconium is disclosed. A method of repairing nickel-based superalloy substrates using the above-described alloy...
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WO/1995/030512A1 |
A process and apparatus are provided for separating components of a brazed vane assembly (1) by preheating the assembly to a temperature below the solidus of the base metal of the vane assembly and above the liquids of the braze, then ma...
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WO/1995/029037A1 |
A method of repairing a turbine blade in which a radially outer part of the blade is removed and replaced by a new part (18) comprising the steps of removing the outer part of the blade and securing a new part (18) to the original blade ...
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WO/1995/021042A2 |
A repair coating for superalloy articles, such as gas turbine engine components, includes a volatile organic carrier or water-based carrier, a fluxing agent, a thickening agent, balance a filler mix. The filler mix consists of at least t...
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WO/1995/015240A1 |
A method of repairing a turbine blade in which damaged material around a lacing wire hole is removed by machining or chemical etching. New metal is then added by welding such that the lacing wire hole is much smaller or completely elimin...
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WO/1995/006542A2 |
An apparatus (15) for and method of machining turbine blades (10, 11, 12, 13) utilising a machining apparatus having mounting means (16) for mounting the machine adjacent to the end of a turbine blade and having a machining head (31) aut...
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WO/1995/000293A1 |
To this end, there is provided a linishing tool for reconditioning a camshaft integral bearing surface of a cylinder head including an elongate body (1) having an outer surface (2), at least a portion of the outer surface of the body bei...
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WO/1994/029075A1 |
A pin (10) is provided for repairing cracks (C) in a material (M) such as iron casting materials. The pin includes threads (60) with both upper and lower surfaces wich angle toward a head of the pin. A tapping bit (550) is utilized in a ...
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WO/1994/023859A1 |
Traction and alignment arm (1), particularly for motor vehicle body repair benches, including a base (2) which is associable with a repair bench (60) and a post (5) that extends from the base and has traction elements (57) for engaging a...
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WO/1994/011139A1 |
A base metal repair tape (11) includes a first layer (13) formed braze alloy bonded together with fibrillated polytetrafluoroethylene, a second layer (14) formed from powdered base metal bonded together by fibrillated polytetrafluoroethy...
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WO/1993/025340A1 |
A turbine rotor having a plurality of blade supporting discs disposed at spaced positions along a longitudinal axis of the rotor is repaired, modified or made by providing a ring element having at least one discontinuity therein, which r...
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WO/1993/022097A1 |
An improved method is described for repairing Co-base superalloy gas turbine engine components by applying a mixture of base alloy powder and base alloy powder with a melting point depressant to the surface of the component and heating a...
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WO/1993/015370A1 |
An apparatus for producing a thermal stress-relieving zone in an automotive heat exchanger having a frame (12) including a pair of channel-shaped side supports (24) is disclosed, the apparatus including a support mechanism (36, 72, 74) f...
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WO/1992/003241A1 |
To repair or join sections of a metal article, matching metal powder is sintered in the solid state to form a porous structure in the joint. A layer of matching powder, modified to incorporate melting point depressants such as boron and ...
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WO/1991/012931A1 |
A tool (10) for locating a predetermined number of turbine blades (11) in relative operative position with each other includes a base (12) with a space and walls (13, 14) with a space between them. Blades are located sequentially and adj...
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WO/1989/006175A1 |
A process for renewing a cylinder head, preferably a cast aluminum water cooled cylinder head (30) from a used condition to a rebuilt condition suitable for reuse. In a qualifying stage the used cylinder head is stripped of removable par...
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WO/1989/003740A1 |
A method of repairing damages in a superalloy component is disclosed wherein existing brazed joints and protective coatings are not harmed. The method entails the use of a silicon-free metal mixture comprising (i) a low melting alloy hav...
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WO/1988/009234A1 |
A machine (10) for refinishing a rim/wheel (R) by first elevating (20) the rim/wheel from ground level into a washing and degreasing chamber (13), washing and degreasing the rim/wheel in the chamber (13), transferring the rim/wheel into ...
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WO/1988/008762A1 |
A process for the production of hard surfaced control members for faucets, in which the body of the control member is made of aluminum or its alloy. The working surface of the control member is submitted to anodic oxidation in such a way...
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WO/1988/007432A1 |
Process and corresponding apparatus, in the form of a swing frame for centring and securing the plate-shaped head (101) during repairs to mis-shapen rim drillings. The process involves making circular cutouts in the crown of the straight...
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WO/1988/006940A1 |
A method of restoration of worn side surfaces of bushing-type parts consists in securing the part (1), along its non-worn surface, with a consolidated refractory powder-like material (8). Then the part (1) is heated up to a plastic state...
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WO/1987/000105A1 |
A method of reestablishment of camshafts consists in building-up only those areas of the cams (2) which are worn out beyond admissible limits, to obtain a layer slightly exceeding the final reestablished dimension. After a stress-relievi...
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WO/1987/000104A1 |
A method of reestablishment of lever-like parts of a curved shape provides for putting a pressure on both sides and near the worn area (18) of the lever (1). The lever (1) is bent against a support surface (3) located oppositely to the w...
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