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| Number | Title | Issue Date |
| 8186057 | Bladed rotor balancing A method of manufacturing a rotating component, the method comprising the providing a component comprising a first portion, which first portion defines a first cavity, characterised by; identifying a first inertial property of the first portion and/or the entire com... | 05/29/2012 |
| 8171632 | Method of manufacturing integrally designed rotor wheels to exhibit an essentially identical natural frequency and mass using chemical etch machining In the manufacture of integrally designed rotor wheels (BLISKs), the natural frequency of each blade is measured after forming by conventional shaping methods and the respective blade mass and its divergence from the smallest blade mass is calculated therefrom. The ... | 05/08/2012 |
| 8127444 | Fans and turbines Overlapping twisted radial aerofoil blades or vanes (70) are formed on a compressor rotor or turbine disk or the like (68) by electro-discharge machining with a curved round section wire tool electrode (72) which is turned by a tool holder (2... | 03/06/2012 |
| 8091230 | Method and apparatus for the manufacture of fans, turbines and guide vanes A method and apparatus for forming a closely spaced radial array of overlapping twisted airfoil blades or vanes. The apparatus comprises an electro-discharge machine that articulates an electrode (150), electrode (150) being in the form of an elongate ... | 01/10/2012 |
| 7971356 | Method for contour grinding wide blades at high speed The invention relates to a method for contour grinding wide blades at high speed, according to which a wheel (1) is used the grinding contour of which has a width dimension that is less than the width of the tip of the blades to be ground, said contour being ... | 07/05/2011 |
| 7874071 | Method of making an ice dispense agitator A method of making an ice dispense agitator of a type as may be used in ice and beverage dispensing machines is characterized by manufacturing the agitator as an integral unit by cutting the agitator from flat metal stock and then bending the agitator into a desired... | 01/25/2011 |
| 7788806 | Process for manufacturing a blisk and mold for implementing the process A process for manufacturing an integrally bladed disk for a turbomachine rotor by friction welding is disclosed. The manufacturing process includes arranging a plurality of blades in the form of a ring in a mold having symmetry of revolution; casting a degradable ma... | 09/07/2010 |
| 7784181 | Processing method of a semi-processed product for the production of a rotor equipped with a series of blades integral therewith A processing method of a semi-processed product for obtaining a rotor equipped with a series of blades integral therewith by using a rotating tool such as a cutter, integral or with inserts. The processing method includes a) forming a hole into the semi-processed pr... | 08/31/2010 |
| 7784182 | System for manufacturing a rotor having an MMC ring component and a unitary airfoil component A system for manufacturing an integrally bladed rotor is provided. This system includes a ring component, wherein the ring component further includes at least one metal matrix composite and a continuous radially outwardly facing blade conical surface; an airfoil com... | 08/31/2010 |
| 7726023 | Method of making metal components In order to create titanium components with a titanium composite insert, a method is provided whereby an initial pre form 1 has a groove 2 formed in it. An encapsulating member 4 is then provided about the groove 2 in order to create a ca... | 06/01/2010 |
| 7637010 | Methods for machining turbine engine components A method for machining a blank includes machining a first pocket in the blank having a first sidewall, machining a second pocket in the blank, machining a groove within material located between the first and second pockets to expose a second sidewall opposite the fi... | 12/29/2009 |
| 7377037 | Fillet machining method without adaptive probing A method for finishing a part having excess material includes generating one or more surfaces on a model of the part to be machined, creating a machining tool path drive geometry, using the machine tool path drive geometry and one or more surfaces on the model to be... | 05/27/2008 |
| 7365987 | Structure for heat dissipation of integrated circuit chip and display module including the same A circuit board having a first IC chip mounted thereon, and a first heat sink having a base portion disposed to contact a surface of the first IC chip and having a plurality of heat-dissipating fins, wherein the heat-dissipating fins extend away from the base portio... | 04/29/2008 |
| 7334331 | Methods and apparatus for machining components A method of using a machining assembly to machine a plurality of different turbine components that include a dovetail having a contoured profile. The method includes removably coupling a first set of retainers into the machining assembly, the first set of retainers ... | 02/26/2008 |
| 7316057 | Method of manufacturing a rotating apparatus disk A method (20) of fabricating a large component such as a gas turbine or compressor disk (32) from segregation-prone materials such as Alloy 706 or Alloy 718 when the size of the ingot required is larger than the size that can be predictably formed with... | 01/08/2008 |
| 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 |
| 7210226 | Method of manufacturing an impeller A method of manufacturing an impeller includes the steps of: (a) forming an impeller having a plastic disc body and magnetisable material distributed and encapsulated within the body; (b) testing the imbalance of the impeller; (c) removing plastic material from the ... | 05/01/2007 |
| 7198472 | Platform mounted components A platform arrangement for components such as aerofoil vanes 1, 21 is provided whereby the necessary rigidity provided by the platform does not create excess problems with respect to stress and strain fatigue failure at thinner sections of the component. The ... | 04/03/2007 |
| 7140992 | High torque retention joint in a tensioner A method of manufacturing a tensioner (10) by mounting an end member (38) on an end of a hollow tensioner shaft (24) includes a step of providing an end member (38) of sheet material with an opening (76) having a plurality of annul... | 11/28/2006 |
| 7117595 | Method for manufacturing a conveying element of an axial type flow meter used for drink vendors A device is described for measuring a fluid, to be used advantageously in mixing devices for ingredients of liquid drinks. The device comprises an impeller, a diffuser upstream from the impeller and detecting means for the impeller (46). The diffuser (41 | 10/10/2006 |
| 7107886 | Production of disc components A disc component for a gas turbine engine is produced from a workpiece by a sequence of machining operations. During the machining operations, the workpiece is supported by a fixture engaging support surfaces. The workpiece remains secured to the fixture throughout ... | 09/19/2006 |
| 7069654 | Rotor balancing A method of balancing a rotor (10), the said method comprising the steps of determining the position of the center of mass of a rotor (10) to be balanced prior to the rotor (10) being machined to its final dimensions, and machining the rotor ( | 07/04/2006 |
| 7065872 | Method of processing a multiple alloy rotor A method of processing a rotor. The rotor is formed by casting an ingot to have first and second regions formed of different alloys that intermix during casting to define a transition zone therebetween. The ingot is forged to yield a rotor forging that contains axia... | 06/27/2006 |
| 7040134 | Punch for forging a liquid ejection head A male die for forming a member incorporated in a liquid ejection head is disclosed. Each of a plurality of first forging punches is operable to form a first recess on a metal plate. The first forging punches are arranged at a fixed pitch to form a punch row in a fi... | 05/09/2006 |
| 7024744 | Frequency-tuned compressor stator blade and related method A method of tuning a compressor stator blade having a base portion and an airfoil portion to achieve a desired natural frequency, includes a) identifying the natural frequency of the compressor stator blade; b) determining a different target natural frequency for th... | 04/11/2006 |
| 6938447 | Apparatus and method of correcting deformation of gas turbine blade An apparatus for correcting deformation of a gas turbine blade includes a stationary die fixed to a backside of a tip shroud of a gas turbine blade to hold a back surface thereof and a pressing die pressing a front surface of the tip shroud so as to press the tip sh... | 09/06/2005 |
| 6935021 | Method for the plastic molding of the hub recess for fast running turbine component A method for plastic molding of a hub recess for a fast-running turbine component is provided. The plastic molding of the hub recess occurs by hydraulic expansion, by way of a hydraulic fluid introduced into the hub recess of the turbine component under high pressur... | 08/30/2005 |
| 6935817 | Airfoil machining using cup tool Airfoil blades are machined in a workpiece using a circular machining tool defining a machining ring having inner and outer circumferential surfaces. The airfoil blades are created by generating engagement movements between the rotating circular machining tool and t... | 08/30/2005 |
| 6905312 | Method of manufacturing an integral rotor blade disk and corresponding disk A method of manufacturing a blisk comprises the steps of cutting a disk to a rough shape comprising a hub with a plurality of blade blanks projecting radially therefrom, machining each blade blank by tangential milling using a tool with a rotation spindle perpendicu... | 06/14/2005 |
| 6869259 | Milling method A milling method is provided for the manufacture of components composed of difficult-to-cut materials for turbomachines, aircraft and spacecraft by producing recesses with one or more side walls. An end milling cutter which cuts at the circumference and at the tip a... | 03/22/2005 |
| 6478545 | Fluted blisk A blisk includes a disk having a rim. A row of blades extends outwardly from the rib in a unitary construction. The blades are spaced apart in the disk rim to define fluted inner flowpath channels extending axially between the blades to bound correspondin... | 11/12/2002 |
| 6412173 | Miniature turbomolecular pump The present invention provides a very compact, lightweight, turbomolecular pump for evacuating a chamber at volumetric flowrates of less than 10 liters per second. In one embodiment a turbomolecular pump is provided having a bladed rotor disposed within a... | 07/02/2002 |
| 6340424 | Manufacture of complexly shaped articles using an automated design technique An integrated compressor disk and compressor blade (BLISK) having a specified shape is prepared by an electrochemical machining process having a cathode defined by a set of cathode shape parameters. A trial BLISK is prepared using a cathode defined by a s... | 01/22/2002 |
| 6247638 | Selectively reinforced member and method of manufacture The present invention contemplates a method of fabricating a ring or disk having select regions reinforced with a metal matrix composite material. In one embodiment the method includes forming the ring or disk of a high strength iron-cobalt metal matrix c... | 06/19/2001 |
| 6209198 | Method of assembling a variable stator vane assembly A method and fixture assembly for assisting in the matching and assembly of components of a variable stator vane assembly of a gas turbine engine. The method generally entails a stator vane configured to be assembled to a casing with a spacer. The vane ha... | 04/03/2001 |
| 6109869 | Steam turbine nozzle trailing edge modification for improved stage performance In a reverse design for partitions of a steam turbine having decreased throat dimension therebetween with increased radial height, the trailing edges are set back from approximately mid-span to a tip of the partition to increase the throat dimension with ... | 08/29/2000 |
| 6082000 | Method for producing an impeller for turbine pumps provided with vanes having an improved profile A turbine pump impeller provided with vanes of the double-curvature type, obtained monolithically by die casting and comprising, between two disk-shaped elements, a plurality of double-curvature vanes. In each vane, the two surfaces that are struck by the... | 07/04/2000 |
| 6029347 | Method of manufacturing a turbine of thermostructural composite material, in particular of small diameter A method of manufacturing a turbine comprising a plurality of blades disposed between two end plates and defining flow passages between an inner ring and an outer ring. The turbine is formed by first and second parts, each part made as a single one-piece ... | 02/29/2000 |
| 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 |
| 5964398 | Vane member and method for producing joint A vane member comprises a first member and a second member, the first member and the second member are joined by that an insert member whose melting temperature is lower than melting temperatures of the first and second members contacts the first and seco... | 10/12/1999 |
