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| Number | Title | Issue Date |
| 8046886 | Fixture for mounting articulated turbine buckets A fixture and method for assembling axial entry buckets with complex geometry to a rotor wheel is provided. The fixture features an inner and an outer split ring shaft clamp, which is bolted together around the rotor wheel packing diameter and provides a mounting ba... | 11/01/2011 |
| 7975354 | Bladed disk assembly method and impact device A bladed disk assembly device includes a horizontal arm and a fixed vertical pivot bar that is perpendicularly attached to a first end of the horizontal rotating arm via a sliding coupling mechanism. A vibratory impact device is attached to a second end of the horiz... | 07/12/2011 |
| 7765658 | Blade tip grinding tooling A fixture assembly for securely positioning a plurality of blades loosely assembled on to a rotor of a gas turbine engine in which axial clamping forces are translated to apply radial expansion forces on the blades to simulate a centrifugal force on the blades durin... | 08/03/2010 |
| 7690094 | Impeller weld restraining fixture The present invention provides an apparatus for use in automated welding repairs, particularly those repairs intended for impellers and similar structures. In one embodiment, the invention provides an impeller weld restraining fixture. The fixture includes a base pl... | 04/06/2010 |
| 7469452 | Impeller weld restraining fixture The present invention provides an apparatus for use in automated welding repairs, particularly those repairs intended for impellers and similar structures. In one embodiment, the invention provides an impeller weld restraining fixture. The fixture includes a base pl... | 12/30/2008 |
| 7353588 | Installation tool for assembling a rotor blade of a gas turbine engine fan assembly A rotor blade installation tool for coupling a plurality of rotor blades to a rotor disc wherein each rotor blade extends from the rotor disc to a radially outer blade tip is provided. The tool includes a blade engagement end configured to engage the plurality of ro... | 04/08/2008 |
| 7328496 | Apparatus for rebuilding gas turbine engine blades An apparatus for aligning a gas turbine engine blade including an airfoil and a dovetail is provided. The apparatus includes at least one locator pin configured to engage a serration formed on the blade dovetail, a locator block supporting said locator pin where sai... | 02/12/2008 |
| 7320172 | Apparatus for positioning inserts in a receptacle An apparatus for positioning inserts in a rotating receptacle. The apparatus includes a magazine for holding a plurality of inserts. An insertion arm is provided for positioning inserts within the receptacle. The insertion arm has a first end and a second end, where... | 01/22/2008 |
| 7251887 | Tool for balancing rotating components A tool for limiting a cut on an impeller having a shaft and vane is provided. The tool includes a shield member having a sidewall, a top, and an inner cavity. The tool also includes a first cut opening extending through the hub sidewall to the shield member inner ca... | 08/07/2007 |
| 7246419 | Impeller clearance tool A tool and method are provided for providing a predetermined clearance between an impeller and a shroud of a jet engine assembly, wherein the shroud has a mating surface, and the impeller and shroud are partially disposed within a casing having a mating surface, whe... | 07/24/2007 |
| 7225539 | Manufacturing method especially for integrally bladed rotors A method for the manufacture of components composed of difficult-to-cut materials for gas turbines, in particular for manufacturing integrally bladed rotors for gas turbine aircraft engines, by producing recesses with one or more side walls, the recesses forming flo... | 06/05/2007 |
| 7138065 | Method for removing at least one area of a layer of a component consisting of metal or a metal compound 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 by heating in a voluminous po... | 11/21/2006 |
| 6993811 | System for applying a diffusion aluminide coating on a selective area of a turbine engine component A method for applying diffusion aluminide coating on a selective area of a turbine engine component and the coating produced by that method is disclosed. A quartz infrared lamp heats only substantially the localized area of the component to be coated, rather than th... | 02/07/2006 |
| 6792655 | Apparatus for correcting airfoil twist A system for correcting twist in airfoil components includes a first fixture assembly for holding a first end of an airfoil component and a second fixture assembly for holding a second end of the airfoil component. A rotary drive unit is provided for rotating the fi... | 09/21/2004 |
| 6763560 | Spreader for separating turbine buckets on wheel A bucket spreading tool is disclosed for separating covers of adjacent turbine buckets, the tool includes: an arm for extending a head of the tool between adjacent turbine wheels and for positioning the head between the adjacent buckets of a wheel, wherein the head ... | 07/20/2004 |
| 6671938 | Pneumatic press vane lift installation tool The present invention relates to a pneumatic press vane lift installation tool. The tool is formed by two inflatable, substantially semi-circular tubes which are placed between a rotor assembly and a vane assembly during the installation of the vane assem... | 01/06/2004 |
| 6647602 | Fixation device for blading of a turbo-machine Described is a fixation device for blading of a turbo-machine, in which, longitudinally to a mounting groove (1), a plurality of blades (31, 32) is positioned, and in which, between at least two blades (31, 32) positioned adjacent to each other inside the... | 11/18/2003 |
| 6640437 | Method for installing stator vanes A method for installing stator vanes comprises the steps of installing a first rotor assembly within a case, placing a first inflatable tool over a portion of the first rotor assembly, positioning a first vane array having at least one vane on a surface o... | 11/04/2003 |
| 6606892 | Apparatus for automated peening of tenons connecting turbine buckets and cover plates An automatic machine for peening the tenons on bucket cover plates to secure the cover plates and adjacent buckets of a turbine wheel to one another is provided. The machine includes a fixture having stepped surfaces for locating the freely suspended fixt... | 08/19/2003 |
| 6470544 | Hot Peeling device for a blade leading edge cap In order to remove a plate made from a material that can be heated by electromagnetic induction and retained on a supporting member by a heat-fusible adhesive, an inductor is displaced facing at least one strip of the plate in order to heat the strip by i... | 10/29/2002 |
| 6370773 | Apparatus for making self-gripping air turning vanes A method for making air turning vanes each having formed therein a pair of locking protuberances which adapt the vanes to self-gripping attachment between a pair of rails to fabricate an air turning vane and rail assembly utilizes an elongated length of d... | 04/16/2002 |
| 6332490 | Apparatus for bonding a strip to an article surface A method for repairing a discrete damaged part of a strip bonded to an article surface includes applying a first removable masking member along and adjacent the damaged part of the strip and separated from the strip by a gap of at least 0.005", and applyi... | 12/25/2001 |
| 6223427 | Screw element extractor An apparatus for extracting screw elements from a screw shaft comprises a frame, a stationary clamp mounted on the frame and disposable between open and closed positions, a carriage mounted on the frame for motion toward and away from the stationary clamp... | 05/01/2001 |
| 6149411 | Variable flank relief for scroll wraps A scroll compressor having a non-uniform generating radius for its scroll wraps is formed to have a flank relief which is greatest at locations having the highest generating radius. In scroll compressors having non-uniform generating radii, there is an in... | 11/21/2000 |
| 6061886 | Turbine blade fitting apparatus and fitting method A turbine blade fitting apparatus for fitting multiple turbine blades radially to a disc having multiple disc grooves formed in its periphery. A blade preassembly is made by preassembling multiple turbine blades into a ring by connecting together their ti... | 05/16/2000 |
| 6041500 | Automatic assembly machine and method utilizing six-axis positioning device An apparatus and method for automatically assembling a plurality of identical first articles onto a second article. The second article is supported by a platform which is movable about three linear axes and three rotational axes by a six-axis positioning ... | 03/28/2000 |
| 6006407 | Apparatus for repairing a turbine engine vane segment A method and apparatus for repairing a turbine engine vane segment of at least one airfoil disposed between band or platform members originally assembled in a designed relationship uses locating features integral with at least the band members and used in... | 12/28/1999 |
| 5960543 | Method for manufacturing an impeller of a pump Apparatus and method for manufacturing an impeller consisting of a body with many vanes and a shroud joined with the body. The apparatus comprises a die for chucking the body, a horn for supporting the shroud to be in contact with the vanes while the body... | 10/05/1999 |
| 5862576 | Apparatus for installing a leading-edge sheath onto a helicopter main rotor blade subassembly An apparatus for installing a leading-edge sheath onto a helicopter main rotor blade subassembly, including a lower assembly having a leading-edge sheath contour nest configured for supporting the leading-edge sheath, opposed carriage members connected to... | 01/26/1999 |
| 5836062 | Apparatus for assembling a helicopter main rotor blade subassembly An apparatus for assembling a helicopter main rotor blade subassembly which includes a lower airfoil skin, a core, an upper airfoil skin, and a spar assembly having a tip end and a root end, the apparatus including a lower assembly including a base having... | 11/17/1998 |
| 5832605 | Methods for fabricating a helicopter main rotor blade A method for fabricating a helicopter blade subassembly includes the steps of providing a blade compaction apparatus having a lower assembly configured for mating with an upper assembly. The lower assembly includes a base having a contoured upper airfoil ... | 11/10/1998 |
| 5737816 | Device for the mounting of rotating blades A device for the mounting of moving blades having essentially axial roots into corresponding axial grooves of a rotor of a turbomachine includes a radially outer head having at least one axial groove corresponding essentially to an axial root of one of th... | 04/14/1998 |
| 5666724 | Installation and assembly device and method of using An installation and assembly device for aligning a first member such as a pump impeller with a second member such as an inlet nozzle of an impeller pump. The installation and assembly device includes a sleeve slideable within the inlet nozzle and a vertic... | 09/16/1997 |
| 5570631 | Apparatus for fabricating a helicopter main rotor blade Apparatus and methods for fabricating a helicopter main rotor blade include a compaction fixture for assembling and compacting blade subassembly components and a sheath spreading/insertion apparatus for spreading and inserting a leading-edge sheath onto t... | 11/05/1996 |
| 5407123 | Brush auger machine A brush auger machine for assembling a brush to an auger is disclosed. The machine includes a frame for supporting an auger having a shaft and a spiral blade. A welding station is adjacent the frame. A guide chute receives the continuous brush and defines... | 04/18/1995 |
| 5257442 | Apparatus for assembling workpieces An apparatus for assembling workpieces in which an assembling work is performed includes a workpiece setting jig, a setting station including a workpiece setting apparatus for setting a first workpiece on the workpiece setting jig, an assembling station i... | 11/02/1993 |
| 5188514 | Process for manufacturing an impeller by electrical discharge machining and articles so obtained A process for manufacturing impellers of turbine pumps provides for subjecting disks corresponding to the impeller to be obtained to electrical discharge machining, using tools in form of plates provided with radial slits extending along at least an arc o... | 02/23/1993 |
| 4315357 | Apparatus for the construction of fan wheels of the double-aspirator type There is disclosed, in combination with an apparatus for the manufacture of a fan wheel having a plurality of inclined elongated blades cylindrically mounted to a pair of end rings and at least one disc centrally keyed onto the blades and carrying a fan w... | 02/16/1982 |
| 4079488 | Fan wheel for blower and apparatus for manufacturing same Fan wheel comprising opposite end disks, intermediate disks interposed between the end disks at a specified spacing, and blades having a uniform section over the entire length thereof and extending through corresponding registered apertures formed in the ... | 03/21/1978 |
