| Patent Number |
Title Of Patent |
Date Issued |
| RE35664 |
Friction welding |
November 18, 1997 |
| The present invention consists in the apparatus for use in welding a first component and a second component together by friction welding, comprising drive means operative to generate reciprocatory movement, a component holder operative to hold said first component, linking means operativ |
| RE34398 |
Apparatus for and method of manufacturing brush seals |
October 5, 1993 |
| This invention provides an apparatus for and method of manufacturing a brush seal. The apparatus comprises an annular former 22 having a radially outer 24 and a radially inner 30 portion radially separated from each other by an amount G and held relative to each other by locating means 3 |
| RE34235 |
Sealing plug |
April 27, 1993 |
| A sealing plug .Iadd.assembly .Iaddend.includes a plug and a housing.Iadd., .Iaddend.the plug and the housing including co-operating .[.means.]. .Iadd.structures .Iaddend.whereby they may be secured together, the plug including two circumferentially extending grooves within which O ring |
| 7612463 |
Generator |
November 3, 2009 |
| Within a power generating arrangement 1 it is typically necessary to provide a coupling with an electrical power distribution cable 5. Previously this was sometimes achieved through use of brush gear and slip rings but such arrangements are subject to regular replacement for wear, ma |
| 7611668 |
Marker paint |
November 3, 2009 |
| A marker paint comprises 42 wt % to 52 wt % pigment, 31 wt % to 37 wt % acrylic resin and 17 wt % to 21 wt % silicone resin excluding solvent. The pigment comprises cobalt titanium oxide, titanium nickel antimony oxide, cobalt aluminum oxide or cadmium sulphide selenium to give a gre |
| 7604199 |
Aerofoil containment structure |
October 20, 2009 |
| A stage of fan aerofoils (10) lies within a fan cowl (12). The fan duct (16) is defined in part by a hard casing (14) that in turn surrounds aerofoils (10). Hard casing (14) includes wedge members (26) that fill the annular gap between ring (14) and an outer ring (20). In the event of |
| 7603862 |
Combustion device |
October 20, 2009 |
| A combustion device, such as an afterburner 4 for a gas turbine engine, comprises primary and secondary fuel delivery means 12, 20. Pressure fluctuations in the afterburner 4 are damped by reducing the supply of fuel through the primary fuel delivery means 12 during pressure peaks. T |
| 7600973 |
Blades for gas turbine engines |
October 13, 2009 |
| A blade for a gas turbine engine comprises an aerofoil having a root portion, a tip portion located radially outwardly of the root portion, and leading and trailing edges extending between the root portion and the tip portion. A shroud extends transversely from the tip portion of the |
| 7600316 |
Heat exchanger and a method of manufacturing a heat exchanger |
October 13, 2009 |
| A heat exchanger (10) comprises a first sheet (12), a second sheet (14) and an additional sheet (30). The first and second sheets (12, 14) are wound around an axis (X), each sheet (12, 14) has hot and cold edges at the hot and cold ends (16, 18) respectively of the heat exchanger (10). |
| 7597499 |
Retention arrangement |
October 6, 2009 |
| A disc arrangement for a gas turbine engine, the disc arrangement including a rotational axis, a disc, a coverplate, and a retainer to retain association between the disc and the coverplate by interference. The retainer is displaceable in a recess of the disc or the coverplate to all |
| 7596951 |
Exhaust nozzle for a gas turbine engine |
October 6, 2009 |
| An exhaust nozzle for a gas turbine engine includes a nozzle casing having top and bottom walls and side walls. A liner is provided within the nozzle casing to define a cooling passage. The top and bottom walls each include mutually inclined planar wall portions which meet at respective |
| 7594325 |
Aerofoil and a method of manufacturing an aerofoil |
September 29, 2009 |
| An aerofoil (35) for example a fan blade (26) comprises a leading edge (36), a trailing edge (38), a concave pressure surface extending (40) from the leading edge (36) to the trailing edge (38) and a convex suction surface (42) extending from the leading edge (36) to the trailing edge |
| 7591183 |
Gas turbine engine with a plurality of bleed valves |
September 22, 2009 |
| A health monitoring apparatus for a mechanical system includes: a microphone arranged to receive sound from the system; and a processor adapted to process the output of the microphone. The mechanical system may be a gas turbine engine. Further, the engine may have a plurality of blee |
| 7585152 |
Cooling jets |
September 8, 2009 |
| Cooling jets 1 are provided with a longitudinal aspect 2 greater than width 3. Thus, the coolant flow through the jet 1 is less susceptible to deflection by lateral or cross flows presented to that coolant flow such that cooling by impingement of the coolant flow upon a surface 7 to be |
| 7581722 |
Work support |
September 1, 2009 |
| It is necessary to support components while machining is performed. In such circumstances work supports are now provided, whilst previously there was a dedicated arrangement for each component to be supported. By achieving a modularity in terms of adjustment through creating mountings |
| 7581693 |
Shrouded nozzle arrangement |
September 1, 2009 |
| A shrouded nozzle arrangement for a gas turbine engine exhaust comprises a shrouded nozzle and duct means. The exhaust nozzle is translatable from a first position, wherein the exit plane of the nozzle lies upstream of the exit aperture of the shroud, to a second position, wherein the ex |
| 7578132 |
Gas turbine engine exhaust nozzle |
August 25, 2009 |
| A gas turbine engine exhaust nozzle arrangement for the flow of exhaust gases therethrough between an upstream end and a downstream end thereof comprising a nozzle and a plurality of tabs which extend in a generally axial direction from a downstream portion of the nozzle wherein the |
| 7573243 |
Generator control arrangement |
August 11, 2009 |
| A generator control arrangement for an electrical power generator, the arrangement comprising a controller arranged to regulate output voltage from a generator to a target value, the controller including a voltage comparator for comparing a presented voltage with a desired output vol |
| 7572103 |
Component comprising a multiplicity of cooling passages |
August 11, 2009 |
| A component comprises a multiplicity of cooling passages arranged in two intersecting arrays to form a multiplicity of cooling passage intersections. Air jet interactions are generated at cooling passage intersections when air is passed through the cooling passages. The spacing of th |
| 7565269 |
Thrust correction |
July 21, 2009 |
| To determine free field thrust of a gas turbine engine, the gas turbine engine may be attached to a movable support, and operated at a selected engine operating point. The thrust applied by the engine to the thrust cradle is measured. The gas turbine engine intake momentum drag generated |
| 7563069 |
Clip |
July 21, 2009 |
| A clip used to attach an acoustic panel to a fan casing of a gas turbine engine is "U" shaped. One arm of the clip is provided with a spacing portion cut into the material of the arm and which may be bent to define the spacing between the outer face of the arm and a support. An engag |
| 7561729 |
Image based measurement system and method for measuring dynamic objects |
July 14, 2009 |
| The present invention provides an image-based measurement system or method wherein there is provided (101) an active image of a subject of measurement, showing the subject when active or in use, and there is provided (104, 105) a reference image of the subject of measurement, the ref |
| 7557686 |
Coils for electrical machines |
July 7, 2009 |
| A jig (10) is used to form a coil (50) for an electrical machine. A plurality of conductive wires (56), each covered in a heat-curable electrically insulated material, are wound around a bobbin (12). Each succeeding winding in contra-wound relative to the previous winding, with the f |
| 7554301 |
Fault current limiting in an electrical power network |
June 30, 2009 |
| Generators 12a are for a distributed generation system. A control system 32a receives information about network faults 14a. In normal conditions, the control system 32a controls the field current in the field coils of the generator 12a, to maintain generator output voltage at the rated |
| 7549290 |
Acoustic damper |
June 23, 2009 |
| A combustor wall of a gas turbine engine is provided with an acoustic damper component. The component has a first metering passage, a first damping chamber, a first damping passage, a second damping chamber and a second damping passage. Air flows through the damper to be ejected into |
| 7545518 |
Method and probe for determining displacement |
June 9, 2009 |
| In order to determine displacement, axial and radial in a rotating component, an optical displacement probe is used incident upon a target formed from surface features in a rotating component surface. The surface features create a target which is axially variable in terms of reflecti |
| 7543439 |
Generator assembly |
June 9, 2009 |
| A generator assembly for a gas turbine engine. The assembly includes an electrical generator connected via a first sprag clutch to an accessory gearbox driven by the engine. The generator is also connected by a second sprag clutch to an air turbine connected to engine bleed valves which |
| 7543379 |
Method of manufacturing an article by applying heat and pressure, a method of connecting a pipe |
June 9, 2009 |
| A method of manufacturing an article by diffusion bonding at least two metal components (30,36) comprises assembling the metal components (30,36) into a stack relative to each other so that the surfaces (34,40) are in mating contact. The edges of the metal components (30,36) are seal |
| 7536895 |
Deformed forging |
May 26, 2009 |
| A method of manufacturing a forging for forming a split casing comprising the steps of creating a forging, for example, by a ring rolling process and then deforming the forging by compressing it along a first axis and/or extending it along a second axis. |
| 7533532 |
Fuel injection |
May 19, 2009 |
| In order to allow dual fuel operation, that is to say gas and liquid fuel, a fuel injection arrangement and an assembly are provided in which an injection conduit provides constriction to an airflow towards an outlet. In an assembly a plurality of arrangements including liquid fuel jets |
| 7533526 |
Drive arrangement |
May 19, 2009 |
| A drive arrangement for driving, or for being driven by, a fluid is disclosed. The drive arrangement comprises a rotatable member (40) for receiving the fluid, and having mounted thereon a plurality of drive members (56). The drive members (56) are movable between a drive position, i |
| 7531260 |
Solid oxide fuel cell component and a method of manufacturing a solid oxide fuel cell component |
May 12, 2009 |
| A solid oxide fuel cell component (12) comprises a plurality of solid oxide fuel cells (24) arranged in spaced apart relationship, and in electrical series, on a surface of the porous gas permeable support structure (16). Each solid oxide fuel cell (24) comprises a dense gas tight el |
| 7530487 |
Method of welding onto thin components |
May 12, 2009 |
| A boss 10 is welded onto a thin casing 12. The casing 12 is held in a fixture (not shown) with a backing plate 20 adjacent surface 18. The backing plate 20 is located on the opposite side from the surface 14 onto which the boss 10 is to be welded. By using a backing plate 20 the depth |
| 7528324 |
Lead |
May 5, 2009 |
| A lead for transmitting an electrical signal within a gas turbine engine, from a node at a first part of the gas turbine engine having a first surface to a second part of the gas turbine engine having a second surface, wherein the first part and the second part are coupled at a compr |
| 7527874 |
Method of forming a vibration damping coating on a metallic substrate |
May 5, 2009 |
| A method of forming a vibration damping coating on a metallic substrate, eg a titanium alloy aerospace component, comprises applying to the metallic substrate a coating comprising a spinel having regions of relative oxide or nitride imbalance. |
| 7527476 |
Rotor assembly and annulus filler for gas turbine engine compressor |
May 5, 2009 |
| A rotor assembly for a gas turbine engine compressor includes a rotor disc for mounting a plurality of radially extending rotor blades for rotation thereon, an annulus filler for securing to the disc to provide a radially inner airflow surface for air passing through the rotor assembly a |
| 7527037 |
Component for fuel supply |
May 5, 2009 |
| A joint for a gas turbine fuel injector, the joint comprises a housing for supporting a fuel injector, a first tube terminating within the housing and a second tube. The housing at least partially encloses an adaptor having a bore, with one end of the first tube and one end of the second |
| 7524163 |
Nozzle guide vanes |
April 28, 2009 |
| A turbine nozzle guide vane 10 with passages 28 leading from a hollow core 32 to respective seal strip slots 20, to deliver cooling air to abutment faces 18 on each end of the vane 10. |
| 7524161 |
Gas turbine engine blade containment assembly |
April 28, 2009 |
| A gas turbine engine rotor blade containment assembly (38) comprises a generally cylindrical, or frustoconical, metal casing (40). The metal casing (40) has at least one arched portion (62,64,66) and each arched portion (62,64,66) extends circumferentially around the metal casing (40 |
| 7523604 |
Thrust reverser mounting structure |
April 28, 2009 |
| A gas turbine engine comprising a core engine surrounded by a core casing, at least one C-duct having radially inner and outer walls and a thrust reverser unit; the engine is mounted to an aircraft pylon via at least one thrust member attached to the core engine; the thrust reverser unit |
| 7522393 |
Fault current limiter |
April 21, 2009 |
| A conductor element for a superconducting FCL has an elongate superconducting element 18 surrounded by bodies 26a, 26b, which form a thermal mass around the element 18. The thermal mass is in thermal connection with a cooling system, such as a cryogenic system. The bodies 26a, 26b ar |
| 7521901 |
Electrical power stabilisation |
April 21, 2009 |
| Use of a common electrical power bus to which a number of electrical power generators and consumers are coupled is well known. Typically, a high electrical capacitance is provided across the bus in order to provide stabilisation in the switching of generators and consumer devices as well |
| 7519215 |
Selection of component |
April 14, 2009 |
| A method of selecting a component of optimal design comprising automated steps of a) measuring the periphery of at least part of said component; b) producing a 2D co-ordinate dataset (20) from said measurements; c) processing the 2D co-ordinate dataset (20) so as to produce a represe |
| 7516609 |
Carbon dioxide recirculation |
April 14, 2009 |
| Carbon dioxide recirculating apparatus (20, 120) is disclosed for use in an arrangement having combination means (115) and a path for the flow of a gas through the combustion means (115). The apparatus (20, 120) comprises extraction means (221) for extracting carbon dioxide from a fi |
| 7516548 |
Method of manufacturing a fibre reinforced metal matrix composite article |
April 14, 2009 |
| A method of manufacturing a fibre reinforced metal matrix composite article, the method comprising placing metal coated (18) fibers (14) between a first metal ring (30) and a second metal ring (36). Each of the metal-coated (18) fibres (14) having a glue (22) to hold the metal-coated |
| 7513734 |
Gas turbine engine blade containment system and a laminate material |
April 7, 2009 |
| A gas turbine engine blade containment system that includes a laminate material including first and second layers. The first layer is an inner layer within the second layer. The second layer includes a plurality of resiliently compressive springs extending transversely relative to the |
| 7509793 |
Fluid system |
March 31, 2009 |
| In a fluid system for a gas turbine engine, oil is supplied from an oil tank (10) by a constant displacement pump (12) to lubricate engine components (18). The oil is supplied to the components (18) via a heat exchanger (16) in which oil and fuel are placed in direct heat exchange re |
| 7507071 |
Cooling arrangement |
March 24, 2009 |
| A cooling arrangement is provided in which an incident coolant flow is presented to a passage such that a proportion of that flow is diverted in order to create a standing relative overpressure in a chamber compared to the actual static pressure of the flow in the passage. In such ci |
| 7507070 |
Gas turbine engine and a rotor for a gas turbine engine |
March 24, 2009 |
| A rotor (38) for a gas turbine engine (10) has a low emissivity surface finish, or high emissivity surface finish (44), on at least a portion of its surface (42) to reduce temperature differentials between an upper portion and a lower portion of the rotor (38). This reduces bowing of the |
| 7507022 |
Apparatus for measuring temperature using luminescence thermometry |
March 24, 2009 |
| An apparatus (10) for measuring temperature using luminescence thermometry, comprising: a photon emitter (42) for providing photons (3) of at least a first frequency; photoluminescent material (30) that produces photons (5) of at least a second frequency in response to the incidence |
