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| Number | Title | Issue Date |
| 8182229 | Methods and apparatus to repair a rotor disk for a gas turbine Embodiments of the invention can provide methods and apparatus to repair a rotor disk for a gas turbine. In one embodiment, a method to repair a rotor disk for a gas turbine is provided, wherein the rotor disk can include a base and at least one dovetail slot betwee... | 05/22/2012 |
| 8182230 | Fan blade preloading arrangement and method The fan blade includes a blade root at one end thereof configured for sliding insertion into a substantially axially extending slot defined in a periphery of a fan rotor hub. The blade comprises a first passageway extending at least partially through the blade root,... | 05/22/2012 |
| 8162616 | Turbomachine fan A turbomachine fan including blades and inter-blade platforms having radial flanges fastened to flanges of a rotor disk by threaded rods inserted into bushes mounted in orifices in the flanges of the platforms is disclosed. Each bush includes at least one deformable... | 04/24/2012 |
| 8157531 | Closing assembly for a blade ring of turbomachinery A closing assembly for closing the gap remaining between the first and last blade of a blade ring that is inserted into a peripheral groove of turbomachinery is provided. The assembly includes at least two parts each of which can be hooked onto projections that form... | 04/17/2012 |
| 8157530 | Locking sub-assembly for closing the remaining gap between the first and the last of a blade ring which are inserted in a circumferential groove of a turbomachine, and corresponding turbomachine A closing assembly is provided. The closing assembly closes the gap remaining between the first blade and the last blade of a blade ring that is inserted in a peripheral groove of a turbo machinery, the assembly consisting of at least two lateral parts, at least one... | 04/17/2012 |
| 8128373 | Turbine rotor with locking plates and corresponding assembly method A turbine rotor with a rotor disc, a plurality of slots arranged on the rotor disc, a plurality of blades having blade roots and arranged in the slots, and a plurality of locking plates fitted in a position between the rotor disc and the blades are provided. The fir... | 03/06/2012 |
| 8113785 | Turbomachine rotor and turbomachine comprising such a rotor A turbomachine rotor comprising a disk the periphery of which has a plurality of slots, a plurality of removable blades, each blade comprising a blade root housed in one of the slots, and a downstream flange, secured to said disk and against which each blade root be... | 02/14/2012 |
| 8092184 | Locking plate fast fastening ceiling fan blades A locking plate fast fastening ceiling fan blades includes a clamp plate. A first chute is on the clamp plate, where a pushing board is contained. A thru hole and a position limiting unit are provided in the first chute of clamp plate. A wedge unit is provided on th... | 01/10/2012 |
| 8092183 | Fan rotor for a turbomachine or a test engine A fan rotor, in particular for a turbomachine, the rotor comprising a disk carrying blades having roots engaged in substantially axial grooves in the outer periphery of the disk, a substantially frustoconical annular spinner mounted on the disk upstream from the bla... | 01/10/2012 |
| 7857593 | Retaining device for axially retaining a rotor disk flange in a turbomachine A retention device for axially retaining a rotor disk flange, the device including a split annular retaining ring. The ring has an external face bearing against an internal face of the rim, thereby resulting in a first axial force, an internal face bearing against a... | 12/28/2010 |
| 7824157 | System for retaining blades in a rotor The rotor disk carries an axial retention plate facing slots having blade roots received therein, the disk and the plate are shaped so as to define outer circumferential interlock and inner circumferential interlock. ... | 11/02/2010 |
| 7798779 | Steam turbine blade, and steam turbine and steam turbine power plant using the blade A steam turbine blade includes a blade; a shroud attached to a tip of the blade; a blade root projecting toward the radial inner circumferential side of a turbine rotor so as to be fitted into a blade groove provided in an outer circumferential portion of a turbine ... | 09/21/2010 |
| 7708529 | Rotor of a turbo engine, e.g., a gas turbine rotor A rotor of a turbo engine, e.g., a gas turbine rotor, has a rotor base member, the rotor base member having a groove extending in the circumferential direction of the rotor base member, and having a plurality of rotor blades, each rotor blade having a blade, a blade... | 05/04/2010 |
| 7686585 | Locking of the blades in a fan rotor A fan rotor is provided. Each blade of the fan rotor is held by a bolt. Each blade includes a blade root engaged in a groove of the rim and held by a bolt. The bolt includes a concave plate with its curve directed upstream. ... | 03/30/2010 |
| 7661931 | Bladed rotor with shear pin attachment A fan type compressor includes a rotor disk with a plurality of root insertion openings to receive a blade. Each insertion opening includes two shear pin slots on the sides, and the blade includes a root portion with shear pin slots formed on the pressure side and t... | 02/16/2010 |
| 7530791 | Turbine blade retaining apparatus An apparatus for retaining blade to a rotor disc of turbine engines includes a positioning member integrally for stopping the root of the blade when sliding into an attachment slot of the rotor disc, and a locking apparatus for retaining the root of the blade in the... | 05/12/2009 |
| 7517195 | Nested turbine bucket closure group A closure bucket group for mounting on a dovetail of a turbine wheel. The closure bucket group may include a leading bucket with a leading bucket rear side, a closure bucket with a closure bucket front side and a closure bucket rear side, and a trailing bucket with ... | 04/14/2009 |
| 7467925 | Securing device for a moving blade of a turbomachine A securing device for a moving blade of a turbomachine, the moving blade being arranged on a rotatable rotor disk, in which securing device the rotor disk has on its outer circumference, for receiving the blade root of each moving blade, in each case a transversely ... | 12/23/2008 |
| 7442007 | Angled blade firtree retaining system A blade root retaining system for attachment of a turbine blade to a turbine disc of a gas turbine engine comprises a blade root having at least one projection on each of opposite sides thereof, the projection extending from a leading edge to a trailing edge of the ... | 10/28/2008 |
| 7435055 | Locking spacer assembly for a turbine engine A locking spacer assembly for filling a void between adjacent components in a turbine engine. In at least one embodiment, the locking spacer assembly may be configured to be inserted between adjacent turbine blades in a disc groove in a turbine blade stage assembly.... | 10/14/2008 |
| 7415763 | Bending device and method for bending a plate In order to configure the bending of a plate in an intermediate space between two blade rings, arranged along an axis of a compressor and having blades extending along a radius in a simpler and more effective manner, the novel concept provides a bending device which... | 08/26/2008 |
| 7416393 | Apparatus and method for joining a rotor blade to a rotor mount of a gas turbine rotor A gas turbine rotor and a method for manufacturing a gas turbine rotor having integral blading, is disclosed. A rotor blade has a blade pan and a blade footing connected to the blade pan. The blade footing is designed with a V-shaped cross section in at least some p... | 08/26/2008 |
| 7399159 | Detachable leading edge for airfoils The airfoil of fan/compressor and turbine rotors is constructed to include a leading edge that is detachable. The leading edge includes an airfoil section and an attachment that is adapted to fit into a complementary groove formed in the rotor disk. The detachable l... | 07/15/2008 |
| 7387494 | Finger dovetail attachment between a turbine rotor wheel and bucket for stress reduction A bucket to wheel dovetail attachment includes axially spaced radially extending wheel fingers having discrete sections of decreased axial thickness in a radial outward direction with transition fillets between sections of different thicknesses. The wheel fingers de... | 06/17/2008 |
| 7377749 | Device for balancing a rotating part, in particular a turbojet rotor A device for balancing a rotating part, in particular a turbine rotor in a turbomachine such as a turbojet or the like, the device comprising at least one balance weight comprising engagement means for engaging it on an annular flange of the part, and locking means ... | 05/27/2008 |
| 7371044 | Seal plate for turbine rotor assembly between turbine blade and turbine vane This invention relates to a seal plate system adapted to fit between axially adjacent turbine blades and turbine vanes to seal a rim cavity. The seal plate system may be formed from a seal plate supported by a plurality of extended disk lugs extending from a disk. T... | 05/13/2008 |
| 7371050 | Device for axially retaining blades on a turbomachine rotor disk A device for axially retaining blades on a rotor disk of a turbomachine, includes an annulus which is mounted via a radially inner edge in an annular groove of the disk and which presses against the roots of the blades mounted in grooves in the periphery of the disk... | 05/13/2008 |
| 7367123 | Coated bucket damper pin and related method A damper pin for a turbine bucket includes an elongated main body portion of substantially uniform cross-sectional shape having opposite ends, one only of said opposite ends coated with a corrosion and oxidation-resistant coating. ... | 05/06/2008 |
| 7357686 | Boat propeller with adjustable blades for adjusting the pitch thereof A boat propeller comprises a hub formed of a first cylindrical member and a second cylindrical member detachably joined together. The second cylindrical member comprises a plurality of insertion cavities formed in the second cylindrical member, an end of each of the... | 04/15/2008 |
| 7334983 | Integrated bladed fluid seal Disclosed are various embodiments of a gas turbine blade to vane interface seal for restricting leakage of cooling air and improving the apportioning of the cooling air to the seal. Accordingly, a turbine rotor contains a first and a second stage of radially extendi... | 02/26/2008 |
| 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 |
| 7334996 | Device for the positioning of a blade and bladed disk comprising such a device A device for the positioning of a blade in a slot of a rotor disk includes a spring spacer that consists of a single elastic piece of profiled shape with a top wall and a bottom wall connected together by two side walls. The two side walls include at least one machi... | 02/26/2008 |
| 7334980 | Split ring retainer for turbine outer air seal A retainer for securing the outer air seal assembly of a turbine rotor stage in a locked position. The outer air seal is suspended from the turbine casing over the rotor stage and is locked to the casing by annular segmented locking keys. A series of circumferential... | 02/26/2008 |
| 7323791 | Louvered horizontal wind turbine A wind turbine, including: a rotatable frame; a plurality of airfoils extending in a direction parallel to an axis of rotation of the rotatable frame; and an enclosure surrounding the rotatable frame, wherein the enclosure comprises a plurality of moveable members c... | 01/29/2008 |
| 7318704 | Gas turbine engine structure A turbine disk (20) has a sealing plate (28) fixed to it by bayonet fixing features (36) and (40) formed in sealing plate flange (30) and disk flange (38). Abutments (42) and (44) are formed on the bayonet fixi... | 01/15/2008 |
| 7309214 | Rotor end piece A rotor end piece for a rotor of a thermal turbomachine having a circumferential slot includes two end piece halves having side faces opposite one another in the installed state and top surfaces adjoining one another, the side faces of the end piece halves being con... | 12/18/2007 |
| 7309215 | Axial locking device for turbine blades A turbine blade locking device for axial retention of a turbine blade (1) having a blade root (3) inserted in an axially extending profiled lobe slot (5) of a turbine disk (4), wherein, a sealing fin of a blade platform (10) includ... | 12/18/2007 |
| 7306435 | Apparatus and method for anchoring a rotor blade in a rotor of a turbo machine A rotor of a turbo machine having a rotor base and a plurality of rotor blades. Each rotor blade is anchored in an axial groove of the rotor base body via the blade footing and the rotor blades are secured in the rotor base body by locking plates which are guided in... | 12/11/2007 |
| 7306433 | Apparatus and method for securing a rotor blade in a rotor of a turbine-type machine A rotor of a turbine-type machine, in particular a gas turbine rotor, is disclosed. The rotor has a rotor base body, where the rotor base body has a groove extending in the circumferential direction of the rotor base body, and has multiple rotor blades, or rotor bla... | 12/11/2007 |
| 7300253 | Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or vane ring The invention relates to a gas turbine blade or vane ring having a supporting structure and gas turbine blades or vanes secured to it. The gas turbine blades or vanes have a blade or vane root, which is successively adjoined by a platform and then a blade profile wh... | 11/27/2007 |
