| Entries |
| Document | Title | Date |
|---|
| 20080229579 | Reverse engineering method for disk and blade attachments - A method of reverse engineering a component of a gas turbine engine having a root attachment feature includes scanning the root attachment feature a plurality of times to obtain raw scan data, creating a best fit line relative to pressure faces of the root attachment feature as a function of the raw scan data, determining a pressure face angle as a function of the relationship between the best fit lines of the pressure faces, bisecting the pressure face angle to determine a symmetry plane for the root attachment feature, establishing a master attachment data set in relation to the local coordinate system by averaging the best fit lines and the raw scan data for each scan of the root attachment feature, and verifying symmetry of the master attachment data set. | 09-25-2008 |
| 20080263862 | Gas turbine and manufacturing process of gas turbine - The invention is intended to maintain turbine reliability when, based on a gas turbine designed for one desired cycle, a gas turbine for another different cycle is manufactured. A channel of a compressor is formed such that a mass flow of a fluid compressed by the compressor changes. Thus, when manufacturing, based on the gas turbine designed for one desired cycle, the gas turbine for another different cycle, turbine reliability can be maintained. | 10-30-2008 |
| 20080307647 | Method for mounting of at least two components of a wind turbine and use of a handling device - A method for mounting of at least two components of a wind turbine with each other is provided. The first component is positioned relative to the second component by a Reach Stacker. The use of a Reach Stacker for mounting of at least two components of a wind turbine with each other is provided such that the first component is positioned relative to the second component by the Reach Stacker. | 12-18-2008 |
| 20090025219 | Method of handling wind turbine blades and device for mounting wind turbine blades, in particular mounting blades on a wind turbine - A method for handling a wind turbine blade and mounting said blade on a wind turbine hub located at a nacelle at the top of a wind turbine tower is described. The wind turbine blade is lifted with a lifting system for handling wind turbine blades, in doing so said wind turbine blade is oriented in a substantially horizontal position. The wind turbine blade is fixed in the substantially horizontal position to the wind turbine hub. The lifting device is released from the blade using a remote control unit. The lifting device is further on removed from the blade. | 01-29-2009 |
| 20090056125 | COMPRESSOR IMPELLERS, COMPRESSOR SECTIONS INCLUDING THE COMPRESSOR IMPELLERS, AND METHODS OF MANUFACTURING - Compressor impellers, compressor sections, and methods of manufacturing compressor impellers and cooling the compressor impellers are provided. In an embodiment, and by way of example only, a compressor impeller includes a bore section and a rim section. The bore section comprises a first nickel-based alloy and includes an inner disk portion and a first plurality of blade portions extending therefrom. The rim section comprises a second nickel-based alloy and includes an outer disk portion and a second plurality of blade portions. The outer disk portion is bonded to the inner disk portion of the bore section, and the second plurality of blade portions is bonded to the first plurality of blade portions of the bore section | 03-05-2009 |
| 20090100676 | VERTICAL AXIS WIND TURBINE AND METHOD OF INSTALLING BLADES THEREIN - A vertical axis wind turbine comprising: a plurality of support arms ( | 04-23-2009 |
| 20090249622 | Method for the manufacture of integrally bladed rotors - The manufacture or repair of blisks, in particular high-pressure turbine blisks for gas-turbine engines is accomplished by producing a joint between the rotor disk and the pre-manufactured blades by circular friction welding. Due to the small forces and the low acceleration required for heat generation by friction and the balanced circular movement during frictional welding at a constant setting angle between disk and rotor, exact and uniform arrangement and alignment of the blades on the periphery of the rotor disk are possible even with small and complex joining surfaces of the turbine blades and with dissimilar materials. | 10-08-2009 |
| 20090320286 | Gas turbine rotor assembly methods - Method of assembling a rotor assembly of a gas turbine engine having a plurality of components. The method comprises in one aspect calculating the bending forces due to the mass distribution along the rotor. In another aspect, an optimization routine iterates different rotor arrangements, comparing the calculated bending moments to determine a set of component positions that minimizes the bending forces. | 12-31-2009 |
| 20100018055 | METHOD AND DEVICE FOR MOUNTING OF WIND TURBINE BLADES - A method for mounting a wind turbine blade to a wind turbine hub by use of a crane boom is provided. The orientation of the blade is kept substantially horizontal when the blade is lifted off the ground and mounted to the rotor hub. Control wires which connect the blade via the crane boom to a winch arrangement are used for keeping the blade orientation substantially horizontal in addition to at least one bearing wire for bearing the blade weight. | 01-28-2010 |
| 20100037458 | IMPELLER WITH MACHINING ACCESS PANEL - An impeller assembly is for a fluid machine, such as a compressor, and includes a first, main body and a second body. The main body includes a first section providing at least a substantial portion of either an impeller disc or an impeller cover and a second section spaced generally axially from the first section and providing a portion of the other one of the disc or the cover. A plurality of integrally formed blades extend between and connect the main body first and second sections such that the main body is generally of one piece construction. A plurality of flow channels are defined between the blades and a plurality of access openings extend into the flow channels. The second body provides a remainder of the disc or cover and is attachable to the main body to substantially form an impeller and to close all of the access openings. | 02-18-2010 |
| 20100043227 | METHOD FOR ATTACHING ROTOR OF WIND TURBINE GENERATOR AND METHOD FOR CONSTRUCTING WIND TURBINE GENERATOR - A method for attaching a rotor of a wind turbine generator and a method for constructing a wind turbine generator are provided, with which the rotor blades can be prevented from breaking and with which the construction costs can be reduced. The present invention includes: an assembly step (S | 02-25-2010 |
| 20100139092 | SHAFT FOR WIND TURBINE GENERATOR AND METHOD FOR ASSEMBLING WIND TURBINE GENERATOR - A method of assembling a wind turbine generator includes fabricating a first portion of a shaft from a first steel alloy having a first strength property value. The method also includes fabricating a second portion of the shaft from a second steel alloy having a second strength property value. The first strength property value is greater than the second strength property value. The method further includes welding the second portion of the shaft to the first portion of the shaft. | 06-10-2010 |
| 20100162564 | METHOD FOR MACHINING A GAS TURBINE ROTOR - A method for machining a gas turbine rotor which is provided with a cooling air slot which concentrically extends around the axis of the gas turbine rotor and is supplied with compressed cooling air via axial cooling air holes which at the side lead into the slot base of the cooling air slot, and the opening of which is covered by bridges which are arranged in a distributed manner over the circumference and spaced apart from each other by gaps. A crack-resistant slot shape is achieved without intervention into the configuration of the bridges by a material-removing tool, particularly a milling tool, being lowered in the gaps between the bridges one after the other into the cooling air slot and in this way the slot base of the cooling air slot being machined and widened over the entire circumference. | 07-01-2010 |
| 20100287772 | METHOD FOR SURFACE STRENGTHENING AND SMOOTHENING OF METALLIC COMPONENTS - With a method for surface strengthening and smoothening of metallic components, in particular of rotors or rotor drums ( | 11-18-2010 |
| 20110078901 | RADIAL BALANCING CLIP WEIGHT FOR ROTOR ASSEMBLY - A balancing weight clip with a mass adapted to balance a rotor assembly of a gas turbine engine, includes a weight portion, a first flange engaging portion and a second flange engaging portion extending from the weight portion, each being engageable with a sidewall of at least one recess located on an edge of a flange of a disc of the rotor assembly. Each flange engaging portion is provided with a hook engageable with a mating groove provided on a face of the flange. At least one of the first and second flange engaging portions is resiliently biased so that the first and second flange engaging portions are elastically moveable away from one another to removably secure the balancing weight clip to the flange and engage each hook with the mating groove. | 04-07-2011 |
| 20110185571 | CLAMP FOR CLAMPING A BLADE FOR A WIND TURBINE AND METHOD OF INSTALLING WIND TURBINE BLADES - A clamp for clamping a blade for a wind turbine is provided. The clamp includes a first contact surface adapted to contact a portion of a surface of the blade and a second contact surface adapted to contact another portion of the surface of the blade. The second contact surface is displaceable relative to the first contact surface. The clamp also includes a bar connected in an adjustable orientation relative to the first contact surface. Further, a method of installing wind turbine blades at a hub rotatable around a rotation axis along a horizontal direction is provided. | 08-04-2011 |
| 20110219614 | METHOD AND DEVICE FOR ASSEMBLING A WIND TURBINE AT SEA - The invention relates to a device for assembling a rotor of a wind turbine at sea. The device comprises a support structure that is provided with means for rotating the hub of a rotor around the hubs longitudinal axis. The support structure is further adapted to be connected to an offshore platform such that the rotating means may be positioned outside the periphery of the platform. The invention also relates to an assembly of an offshore platform and the device, connected thereto. The invention further relates to a method for assembling a rotor of a wind turbine at sea, and to a method of assembling a wind turbine at sea, using the device and assembly. The device and method provide a more efficient assemblage. | 09-15-2011 |
| 20110219615 | VESSEL AND METHOD FOR MOUNTING AN OFFSHORE WIND TURBINE - A method for erecting an offshore wind turbine at a wind turbine erection site is provided, wherein the wind turbine includes a rotor, which has, in a fully assembled condition, a predetermined number of rotor blades mounted to a rotor hub. The method comprises transporting the rotor hub to the erection site; transporting rotor blades to the erection site; and, mounting, on a vessel, rotor blades to the rotor hub so that the rotor is in the fully assembled condition. Further, a vessel having at least one flange for mounting a rotor hub is provided. | 09-15-2011 |
| 20110225822 | ASSEMBLY MECHANISM COMPRISING A TENSION ANCHOR AND CORRESPONDING METHOD FOR A ROTOR SYSTEM OF AN AXIAL TURBO ENGINE - The invention relates to a device ( | 09-22-2011 |
| 20110308084 | METHOD FOR MANUFACTURING HEAT RESISTING MEMBER APPLICABLE TO AN EXHAUST GAS GUIDE ASSEMBLY WITH IMPROVED HEAT RESISTANCE FOR VGS TURBOCHARGER - An exhaust gas guide assembly with an improved high-temperature wear resistance, oxidation resistance, high-temperature strength or the like for a VGS turbocharger is provided. According to the invention, the exhaust gas guide assembly for a VGS turbocharger includes adjustable blades, a turbine frame and an adjusting mechanism is characterized in that a heat resisting member constitutes the exhaust gas guide assembly to remarkably enhance high-temperature durability or the like of the exhaust gas guide assembly. | 12-22-2011 |
| 20120000071 | OFFSHORE WIND TURBINE INSTALLATION SYSTEM AND METHOD - The disclosure provides a method and system for installing components for an offshore wind turbine assembly independent of cranes and derricks. The components are stored in an offshore structure, such as a Spar. After transporting the offshore structure horizontally to a site, the structure can be uprighted to a vertical orientation. A variable ballast component coupled to a tower of the wind turbine assembly can reciprocally retract the tower into the offshore structure to lower the tower, and extend the tower away from the offshore structure to raise the tower until the full quantity of blades are assembled to a turbine coupled to the tower. When the blades are stored in a peripheral fashion around the tower, the method and system provides for automatic rotational indexing of the tower as the tower and turbine retract and extend, so the turbine is progressively aligned with each blade to be installed. | 01-05-2012 |
| 20120036716 | AERODYNAMIC DEVICE FOR THRUST REVERSER CASCADES - A method and aerodynamic device for modifying at least one vane of a cascade thrust reverser. One or more of the aerodynamic devices may be formed and attached to forward-facing surfaces of vanes of the thrust reverser. The aerodynamic device may include a first side shaped to rest flush against at least a portion of the forward-facing surface of the vane, a second side opposite of the first side, a ledge portion protruding from the first side and configured to rest flush against a blunt leading edge of the vane, a rounded first end portion extending from the ledge portion to the second side of the aerodynamic device, and a second end opposite of the first end portion at which the first side and the second side converge. The aerodynamic device changes the size and contour of airflow channels between the vanes, increase the efficiency of the thrust reverser. | 02-16-2012 |
| 20120117803 | METHOD FOR MANUFACTURING IMPELLER - There is provided a method for manufacturing an impeller, in which a brazing layer having a necessary thickness can be secured easily while the waste of a brazing filler metal is eliminated. The present invention includes a step X of producing a disc | 05-17-2012 |
| 20120192420 | Lifting system and method for lifting rotor blades of wind turbines - A lifting system for lifting rotor blades of wind turbines includes a plurality of frame structures each being configured to support a rotor blade. Additionally, the lifting system includes a lifting structure which is attachable to a lifting device, and a number of lifting connectors configured to connect a pack of frame structures to the lifting structure. Furthermore, a method for lifting rotor blades of wind turbines by using a lifting device and a method for installation of rotor blades of wind turbines are provided. | 08-02-2012 |
| 20120291280 | MANUFACTURING METHOD OF IMPELLER FOR FLUID TRANSMITTING DEVICE - In a manufacturing method of an impeller for a fluid transmitting device, multiple guide grooves aligned in a peripheral direction to allow communication between adjacent ones of multiple positioning holes are provided in a concave inner surface of a core in advance; and in a step of melting a brazing material and causing the molten brazing material to penetrate into gaps between coupling pieces and positioning holes that are fitted to each other and further into gaps between the core and the blades, the molten brazing material is guided to the positioning holes through the multiple guide grooves. Accordingly, the step allows the molten brazing material to be efficiently guided to the gaps between the coupling pieces and positioning holes, thereby improving the yield of the brazing material and preventing an influence of a residual brazing material over the rotational balance of the impeller. | 11-22-2012 |
| 20130019475 | METHOD OF FABRICATING INTEGRALLY BLADED ROTOR AND STATOR VANE ASSEMBLY - A method of fabricating an integrally bladed rotor of a gas turbine engine according to one aspect, includes a 3-dimensional scanning process to generate a 3-dimensional profile of individual blades before being welded to the disc of the rotor. A blade distribution pattern on the disc is then determined in a computing process using data of the 3-dimensional profile of the individual blades such that the fabricated integrally bladed rotor is balanced. | 01-24-2013 |
| 20130019476 | METHOD OF FABRICATING INTEGRALLY BLADED ROTOR USING SURFACE POSITIONING IN RELATION TO SURFACE PRIORITY - A method of fabricating an integrally bladed rotor for gas turbine engines according to one aspect includes a step of positioning a blade on a hub in a joining procedure by using a priority surface of the blade as a reference surface. The priority surface is determined in relation to importance of surface functionality of the blades during engine operation | 01-24-2013 |
| 20130074335 | ROTATION BLADE ATTACHMENT METHOD FOR REGENERATION ENERGY TYPE ELECTRIC GENERATION APPARATUS - A blade attaching method is provided for a power generating apparatus which may include a blade, a hub having a blade attaching part, a bearing, a generator, and a pitch drive mechanism. The method may include, but is not limited to: a step of attaching a suspension device to the blade; a step of lifting the blade; a step of holding the blade so that the blade attaching part of the hub faces the blade root part of the; a step of rotating the blade attaching part by the pitch drive mechanism to a set angular position while holding the hub; and a step of fixing the blade to the hub after rotating the blade attaching part to the set angular position. | 03-28-2013 |
| 20130097860 | METHOD FOR FORMING A BLOWER WHEEL HAVING LONGITUDINALLY INCLINED BLADES - A method for forming an inclined-blade blower wheel is provided by arranging a plurality of blades about respective circumferences of first and second end caps. The plurality of blades extend longitudinally between the first and second end caps and parallel to an axis defined by respective centers of the first and second end caps. The first end cap is rotated with respect to the second end cap a predetermined amount, therein skewing the plurality of blades at a desired longitudinal pitch between the first end cap and second end cap. The first end cap and second end cap are then rotated in unison while crimping the circumferences of the first end cap and second end cap, therein securing the plurality of blades to the first and second end caps and fixing the desired longitudinal pitch of the plurality of blades from the first end cap to the second end cap. | 04-25-2013 |
| 20130125397 | LIFTING DEVICE AND METHOD FOR POSITIONING OF AN UNWIELDY OBJECT - A lifting device configured to autonomously position a wind turbine blade in such a way that it can be mounted on a wind turbine tower. The lifting device ( | 05-23-2013 |
| 20140068937 | METHOD FOR FABRICATING A SINGLE-PIECE PART FOR A TURBINE ENGINE BY DIFFUSION BONDING - A method of fabricating a single-piece part for a turbine engine by diffusion bonding, the method including making a blank for the part around a mandrel, the blank including a plurality of coaxial and superposed annular layers of independent rings of metal wire that are stacked on one another around the mandrel, and subjecting the blank to hot isostatic pressing to obtain a single-piece part, and optionally machining the part. | 03-13-2014 |
| 20140101938 | Method of Working a Gas Turbine Engine Airfoil - A method of working a gas turbine engine component, for example, a turbine airfoil platform having a heat crack, is disclosed. The presented method may allow turbine airfoils to be repaired, modified, manufactured or otherwise worked and subsequently assembled into a turbine section of a gas turbine engine. This method may help to reduce the costs of operating a gas turbine engine by allowing damaged turbine airfoils to be repaired rather than discarded. | 04-17-2014 |
| 20140123491 | FAN IMPELLER BALANCE CALIBRATING METHOD - A fan impeller balance calibrating method includes steps of: placing a fan impeller onto a balance measurement unit and activating the fan impeller to rotate; using a detector of the balance measurement unit to detect the amount of unbalance and phase of the fan impeller in rotation and generate a detection signal according to the amount of unbalance and phase of the fan impeller; and providing a counterweighing unit, which receives the detection signal to find at least one hole of the fan impeller according to the detection signal, which is to be counterweighed and counterweighs the hole with a counterweight. By means of the fan impeller balance calibrating method, the measurement and counterweighing of the fan impeller are automated. Therefore, the working time is shortened and the manufacturing cost is lowered. | 05-08-2014 |
| 20140373353 | ASSEMBLY METHOD FOR A MAIN ROTOR SHAFT AND AN INSTALLATION TOOL THERETO - The present invention relates to an installation tool for assembling a main rotor shaft unit and an assembly method thereof. The installation tool comprises a first element for supporting the generator end of the rotor shaft and a rotatable support plate is coupled to a second element of the installation tool via engaging coupling elements. The rotor shaft is rotated by a single crane unit via lifting elements mounted to the generator end, and then lifted out of the installation tool and placed on a floor. The bearing units are then mounted to the outer surface of the rotor shaft. The rotor shaft is afterwards lifted onto the installation tool so that the coupling element is brought into engagement and the rotor shaft is rotated on to the first element. This provides an installation tool that eliminates the need for two crane units to rotate the rotor shaft and reduces the amount of man-hours needed to assemble the rotor shaft unit by up to six hours. The installation tool also provides a stable tool for the workers since the center of gravity is located between the first element and the rotation point. | 12-25-2014 |
| 20150026978 | BLADE GRIPPING DEVICE WITH RECTANGULAR CARRYING STRUCTURE - A blade gripping device for gripping a rotor blade of a wind turbine is provided. The device comprises a first frame which is essentially horizontally aligned in a designated operating position and a second frame which is essentially horizontally aligned in the designated operating position and a blade gripping assembly with a number of blade gripping tools. Thereby, the first frame and the second frame are connected to each other via a swivel or other similar type connection, the connection realized to permit a yawing movement of the second frame relative to the first frame. The first frame comprises a rectangular carrying structure with at least four connectors for connection to a lifting device, which connectors are positioned essentially at the corners of the rectangular structure. Further, the invention concerns a method of operating a blade gripping device for gripping a rotor blade of a wind turbine. | 01-29-2015 |
| 20150135534 | SYSTEM AND METHOD FOR UPTOWER MACHINING OF A WIND TURBINE - A system and method for uptower machining of a wind turbine to accommodate a load control system, such as an Advanced Load Controls (ALC) system is disclosed. The load control system includes a plurality of load control components, such as one or more proximity sensors. The method includes designating a first machining location on a rotor lock plate of the wind turbine; mounting a machining device within the wind turbine proximate to the first machining location; machining the first machining location on the rotor lock plate via the machining device; and, installing the load control system within the wind turbine such that at least one of the load control components is installed proximate to the first machining location. | 05-21-2015 |
