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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8177490 | Control device of variable pitch vanes in a turbomachine A control device of variable pitch vanes in a turbomachine is disclosed. The control device includes a ring surrounding a casing of the turbomachine and connected by links to the variable pitch vanes, and a jack connected to the ring in order to displace it in rotat... | 05/15/2012 |
| 8162597 | Stage of variable-pitch vanes for a turbomachine A stage of variable-pitch vanes for a turbomachine is disclosed. The vanes include internal pivots engaged in corresponding housings of a sectorized internal ring. Each ring sector includes axial orifices for mounting two pins for the radial retention of the ring se... | 04/24/2012 |
| 8123471 | Variable stator vane contoured button A variable stator vane airfoil is mounted on a button centered about a rotational axis and includes circular leading and trailing edges circumscribed about the rotational axis at a button radius. Contoured pressure and suction sides extend from the circular leading ... | 02/28/2012 |
| 8123472 | Unison ring assembly for an axial compressor casing A unison ring assembly for an axial compressor casing is provided. The unison ring assembly includes a unison ring and at least three unison ring supports being radial inwardly and equally spaced arranged along a circumference of the unison ring, wherein each unison... | 02/28/2012 |
| 8109715 | Variable nozzle turbocharger There is provided a turbocharger with a variable nozzle assembly having a plurality of cambered vanes positioned annularly around a turbine wheel, each vane (20) being pivotable around a pivot point (Pp) and being configured to have a leading edge (Ple) and a... | 02/07/2012 |
| 8105020 | Turbocharger A turbocharger comprises a turbine wheel (5) mounted within a housing assembly (1, 3) for rotation about a turbine axis, a gas flow inlet passage (8) upstream of the turbine wheel (5), and a gas flow control mechanism (10, 16, 32) ... | 01/31/2012 |
| 8105019 | 3D contoured vane endwall for variable area turbine vane arrangement A turbine section of a gas turbine engine includes an arcuate vane platform segment having a substantially flat surface over which a rotational turbine vane may swing. ... | 01/31/2012 |
| 8092157 | Variable turbine vane actuation mechanism having a bumper ring A variable vane actuation assembly for gas turbine engines having rotatable stator vanes comprises an engine casing, a unison ring, a bumper ring, a radial spline connection and a plurality of bumper shims. The engine casing is configured to encase the rotatable sta... | 01/10/2012 |
| 8087883 | Cylindrical-rod device for controlling a variable-pitch vane of a turbomachine A variable-pitch control device for a turbomachine compressor is disclosed. The device includes a rod, a fastening device for fastening a first end of the rod to a pivot of a vane to be controlled, and a connection device between a second end of the rod and a contro... | 01/03/2012 |
| 8083474 | Turbocharger To provide a turbocharger whose lifetime is long, which is capable of inexpensively and precisely performing nozzle vane angle synchronous control by using inexpensive and highly wear resistant components in a link mechanism for driving a rotation mechanism of nozzl... | 12/27/2011 |
| 8066474 | Variable guide vane actuator A variable guide vane actuator for positioning the guide vanes of a turbine engine in a hypersonic missile uses compressor exhaust to drive a linked, floating piston assembly that is coupled to the guide vanes. The relatively low pressure compressor exhaust is meter... | 11/29/2011 |
| 8061975 | Slipring bushing assembly for moveable turbine vane A bushing assembly for a turbine vane includes a bushing and a housing. The bushing includes a bore for receiving a trunnion of the vane, a first electrical contact carried on an outer surface thereof, and a first conductor extending from the first electrical contac... | 11/22/2011 |
| 8061976 | Variable geometry turbocharger, vane ring assembly with retaining member A vane ring assembly which includes a lower vane ring (23), an upper vane ring (31), one or more guide vanes (80) positioned at least partially between the vane rings, and a plurality of spacers (49, 50 or 59) positioned between th... | 11/22/2011 |
| 8038387 | Bearing for variable pitch stator vane A bearing for a turbomachine variable pitch stator vane pivot mounted in a bore of the turbomachine casing is disclosed. The bearing includes an inner bushing secured to the pivot and an outer bushing secured to the bore. An elastomeric material is inserted between ... | 10/18/2011 |
| 8021106 | Adjustable guide device A guide device with adjustable guide vanes is provided with a drive for the adjustable guide vanes, in which a cylindrical driving pin and an adjusting lever are provided each with one surface pair which are matched to one another and which slide on one another in o... | 09/20/2011 |
| 8021107 | Variable-nozzle assembly for a turbocharger A variable-nozzle assembly comprises a nozzle ring and an array of vanes circumferentially spaced about the nozzle ring and rotatably mounted to the nozzle ring such that the vanes are variable in setting angle, and an insert having a tubular portion and an annular ... | 09/20/2011 |
| 7963742 | Variable compressor stator vane having extended fillet An example variable stator vane assembly includes at least one button, a vane airfoil adjacent to the button, and a fillet defined between the button and the airfoil. In one example, the fillet defines a constant radius and extends beyond the button at least greater... | 06/21/2011 |
| 7938620 | Turbomachine stator including a stage of stator vanes actuated by an automatically centered rotary ring The stator includes a casing and at least one stage of variable-pitch stator vanes. The vanes are moved by an actuator ring outside the casing and are carried thereby. The ring is connected by links to the vanes in order to actuate them simultaneously. The casing in... | 05/10/2011 |
| 7922445 | Variable inlet guide vane with actuator A variable inlet guide vane assembly for a gas turbine engine, where the guide vanes are pivotably connected to a sync ring that is contained within an annular groove within the casing so that leakage through holes in the casing is minimized. The guide vanes include... | 04/12/2011 |
| 7901178 | Inner diameter vane shroud system having enclosed synchronizing mechanism A variable vane mechanism comprises a variable vane, an inner diameter shroud and a synchronizing mechanism. The variable vane comprises a vane body, an inner diameter trunnion extending radially inwardly from the vane body, and a button connected to the inner diame... | 03/08/2011 |
| 7854586 | Inlet guide vane inner air seal surge retaining mechanism An inner air seal carrier for use in a gas turbine engine having an inlet guide vane surge retainer comprises a body, a stationary sealing element and an outcropping. The body secures around an inlet guide vane inner diameter shroud. The stationary sealing element i... | 12/21/2010 |
| 7850421 | Stator arrangement for turbine A stator arrangement, or distributor, for a turbine machine is disclosed which includes a guide blade. The blade shaft is supported to be able to pivot around the pivot axis, with a part which is to be guided being situated to the outside. The pivoting device contai... | 12/14/2010 |
| 7806652 | Turbine engine variable stator vane A turbine engine variable stator vane includes a platform having a circumference adjoining opposing surfaces. A trunnion extends from one of the opposing surfaces. An airfoil is supported on the other of the opposing surfaces opposite the trunnion. The airfoil inclu... | 10/05/2010 |
| 7802964 | Link device of controllable variable length A controllable variable length link device is disclosed. The device includes a first half-link having a first end connected to a driving system and a second end, a second half-link having a first end connected to a driven system and a second end, a rotary displaceme... | 09/28/2010 |
| 7771161 | Adjustable guide device Guide vanes are supported in a two-part or multipart housing (32, 33). Housing separation takes place radially in the region of the bearing point (25) of the vane shaft so that the separating joint (36) between the housing parts (32, 33) ... | 08/10/2010 |
| 7753647 | Lightweight cast inner diameter vane shroud for variable stator vanes An inner diameter vane shroud for use in a gas turbine engine is comprised of lightweight cast forward and aft shroud components. The forward and aft shroud components are made with an investment casting technique that creates a hollow cavity that runs in a circumfe... | 07/13/2010 |
| 7717670 | Stator blades, turbomachines comprising such blades and method of repairing such blades A platform for a turbomachine is fitted to a variable-setting stator blade to repair a worn area on a plate of the blade. The worn area may be caused by contact between the plate and a part of a casing during operation of the turbomachine. The plate may be machined ... | 05/18/2010 |
| 7713022 | Small radial profile shroud for variable vane structure in a gas turbine engine A shroud for supporting a variable vane in a compressor section for a gas turbine engine includes a pair of components which are secured together by a threaded fastener extending into a blind hole in one of the two components. Additional material forms on the compon... | 05/11/2010 |
| 7690889 | Inner diameter variable vane actuation mechanism A variable vane actuation mechanism is comprised of a first drive vane arm and a second drive vane arm for driving a first variable vane array and a second variable vane array, respectively, of a stator vane section of a gas turbine engine. The first drive vane arm ... | 04/06/2010 |
| 7677866 | Device for adjusting the centring of a turbo-engine pivoting vane control synchronization ring The invention relates to a device for adjusting the centring of a turbo-engine pivoting vane control ring, comprising a control ring (26) centred on a longitudinal axis (X-X) of the turbo-engine and provided with a plurality of tapped holes (36) runnin... | 03/16/2010 |
| 7670107 | Variable-vane assembly having fixed axial-radial guides and fixed radial-only guides for unison ring A variable-vane assembly for a variable nozzle turbine comprises a nozzle ring supporting a plurality of vanes affixed to vane arms that are engaged in recesses in the inner edge of a unison ring. The unison ring is rotatable about the axis of the nozzle ring so as ... | 03/02/2010 |
| 7670106 | Bushing for a variable-pitch vane pivot in a turbomachine A bushing for a variable-pitch vane pivot in a turbomachine, the bushing being for mounting in a recess in a ring of the turbomachine, the recess being of a shape that is substantially complementary to the shape of the bushing, the bushing comprising a body that is ... | 03/02/2010 |
| 7665959 | Rack and pinion variable vane synchronizing mechanism for inner diameter vane shroud An inner diameter vane shroud of a variable vane assembly accommodates a synchronization mechanism for coordinating rotation of an array of variable vanes. The inner diameter vane shroud has a gear track that runs circumferentially through the vane shroud. An array ... | 02/23/2010 |
| 7628579 | Gear train variable vane synchronizing mechanism for inner diameter vane shroud An inner diameter vane shroud accommodates a mechanism for synchronously rotating an away of variable vanes. Particularly, the inner diameter vane shroud has a gear channel that runs circumferentially through the vane shroud. An array of variable vanes is rotatably ... | 12/08/2009 |
| 7625176 | Plain bearing between two parts which are movable with respect to each other The present invention relates to a plain bearing between two parts movable with respect to each other, the first part having a first bearing element made from a first metal and the second part having a second bearing element made from a second metal of higher hardne... | 12/01/2009 |
| 7588415 | Synch ring variable vane synchronizing mechanism for inner diameter vane shroud A variable vane assembly includes a sync ring mechanism for synchronously rotating an array of variable vanes. The variable vane assembly comprises a drive vane, a synch ring, a vane arm and a plurality of follower vanes and follower arms. An inner diameter end of t... | 09/15/2009 |
| 7588416 | Pivot bushing for a variable-pitch vane of a turbomachine A pivot bushing for a variable-pitch vane of a turbomachine, the bushing being for mounting in a recess in a ring of the turbomachine, the recess being of a shape that is substantially complementary to the shape of the bushing. The bushing comprises a substantially ... | 09/15/2009 |
| 7530784 | Device for controlling variable-pitch vanes in a turbomachine A device for controlling variable-pitch vanes in a turbomachine has rods each having at one end a finger for mounting in a control ring and at its other end an assembly orifice for mounting on a drive square of a vane, the axis of the vane being inclined relative to... | 05/12/2009 |
| 7524165 | Control lever for the angular setting of a stator blade in a turboshaft engine Control lever for the angular setting of a stator blade, comprising a first end intended to be fitted in a fixed manner on a blade pivot, a second end comprising a cylindrical pin for fitting on a control ring, and a flat intermediate part connecting the first and s... | 04/28/2009 |
| 7510369 | Sacrificial inner shroud liners for gas turbine engines A split shroud system for a gas turbine engine having a pair of annular-shaped shrouds that each have an inner pocket; to form a pair of inner pockets. Each of the pair of pockets having liner parts that form a circle. Liner parts of one of the pair of pockets facin... | 03/31/2009 |
