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| Number | Title | Issue Date |
| 7554301 | Fault current limiting in an electrical power network 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 c... | 06/30/2009 |
| 7549290 | Acoustic damper 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 ... | 06/23/2009 |
| 7545518 | Method and probe for determining displacement 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... | 06/09/2009 |
| 7543439 | Generator assembly 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 engi... | 06/09/2009 |
| 7543379 | Method of manufacturing an article by applying heat and pressure, a method of connecting a pipe to a sealed assembly and a connector for use therein 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 o... | 06/09/2009 |
| 7540040 | Bedside care unit A toilet seat cover and back support includes a hinge connecting the back support to the rear of the toilet bowl cover and a guide is provided in the cabinet for the seat cover to maintain the back support in an upright position when the seat cover is lowered. ... | 06/02/2009 |
| 6726440 | Wind energy converter A wind energy converter includes a support arm or post rotatably mounted on a base and having an upper free end; a pivot arm is pivotally mounted on the free end and has an end remote from the support arm; a pair of vanes are mounted on a pivot rod carried at the en... | 04/27/2004 |
| 6706302 | Apparatus and method for treatment of fluent food products An apparatus and method of the heat treatment of a fluent food product with steam includes a pressure vessel having a steam inlet at one end and an a product outlet at the opposite end; an inner partition wall having an open end defines the product introduction and ... | 03/16/2004 |
| 7536895 | Deformed forging 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. ... | 05/26/2009 |
| 7533532 | Fuel injection 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 inclu... | 05/19/2009 |
| 7533526 | Drive arrangement 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) ... | 05/19/2009 |
| 7531260 | Solid oxide fuel cell component and a method of manufacturing a solid oxide fuel cell component 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 c... | 05/12/2009 |
| 7528324 | Lead 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 ... | 05/05/2009 |
| 7527037 | Component for fuel supply 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... | 05/05/2009 |
| 7524163 | Nozzle guide vanes 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. ... | 04/28/2009 |
| 7523604 | Thrust reverser mounting structure 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; th... | 04/28/2009 |
| 7522393 | Fault current limiter 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 coolin... | 04/21/2009 |
| 7521901 | Electrical power stabilisation 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 co... | 04/21/2009 |
| 7516609 | Carbon dioxide recirculation 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... | 04/14/2009 |
| 7516548 | Method of manufacturing a fibre reinforced metal matrix composite article 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) fi... | 04/14/2009 |
| 7507070 | Gas turbine engine and a rotor for a gas turbine engine 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 por... | 03/24/2009 |
| 7507022 | Apparatus for measuring temperature using luminescence thermometry 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 l... | 03/24/2009 |
| 7500347 | Variable geometry combustor A variable geometry combustor having a combustor liner that defines at least one dilution port in order to provide air to a dilution zone within the combustor. At least one valve is positioned adjacent the dilution port for controlling the flow of air through the di... | 03/10/2009 |
| 7493752 | Control system for aircraft engine A control apparatus 50 for a gas turbine engine for an aircraft includes engine control means 52 forming part of an outer fuel control loop and fuel control means/overthrust protector 76 forming part of an inner fuel control loop. Overthrust pro... | 02/24/2009 |
| 7486071 | Fluid monitoring arrangement A fluid monitoring arrangement 1 for an engine is operated in accordance with a method whereby nuclear magnetic resonance (NMR) interrogation of the fluid flow 3 it is possible to determine whether appropriate fluids and additives are being utilised as... | 02/03/2009 |
| 7484354 | Aircraft engine arrangement In order to avoid external bulging (5) to accommodate accessory mechanisms (27) and gearboxes (30) to drive these mechanisms (27) in accordance with the present invention splitter fairings (26) are located within a bypass duct (... | 02/03/2009 |
| 7481618 | Mounting arrangement Appropriate location of components such as vanes in gas turbine engines is important. These components are located between tangs held in interference engagement. There are four relatively rigid mounting points constituted by the tangs engaging respective opposed slo... | 01/27/2009 |
| 7473482 | Fuel cell module A solid oxide fuel cell module (30) comprises a plurality of fuel cells (36). Each fuel cell (36) comprises a first electrode (40), an electrolyte (42) and a second electrode (44). A plurality of interconnectors (38) ... | 01/06/2009 |
| 7474030 | Magnetic coils for electrical machines A magnetic coil 32 for an electrical machine is constructed from two sub-conductors 34A, 34B, each in the form of laminae of conducting material such as copper sheet, coated with an insulating material. At one end of the coil, the sub-conductors... | 01/06/2009 |
| 7465512 | Solid oxide fuel cell stack A fuel cell stack comprises a plurality of modules and each module comprises an elongate hollow member and one passage extending through the hollow member for the flow of a reactant. Each hollow member has a first flat surface and a second flat surface. At least one... | 12/16/2008 |
| 7465149 | Turbine engine cooling It is known there is ingestion of hot gas flow 35 from an annular flow 36 in gas turbine engines. This flow 35 is prevented from attaching to the disc by coolant flow 32 passing through gaps in lock plates 28, 29 by creation of a b... | 12/16/2008 |
| 7458766 | Turbine blade cooling system Efficient cooling of a stage of gas turbine engine turbine blades (36) is achieved by first reducing the pressure of the cooling air after it has been bled from the annulus of the compressor (12) by passing it through a diffuser (30), to a press... | 12/02/2008 |
| 7448851 | Seal arrangement A seal arrangement 30 presents a barrier in the form of a combined seal and anti-fret liner 36 across a shroud ring cavity 32 in order to inhibit air leakage in the platform gap between platforms 33. It will be understood that these gaps ... | 11/11/2008 |
| 7449063 | Method and mould for casting articles with a pre-determined crystalline orientation Previously a number of techniques have been used in order to form single crystal or pre-determined crystallography components and articles. Each one of these techniques has its own particular problems, including susceptibility to error. By utilisation of a bi-crysta... | 11/11/2008 |
| 7448845 | Gas turbine engine A turbofan gas turbine engine (10) comprises a fan rotor and a compressor rotor (62). The fan rotor (24) carries a plurality of circumferentially spaced radially outwardly extending fan blades (26). The compressor rotor carries a pluralit... | 11/11/2008 |
| 7448215 | Combustion chamber for a gas turbine engine A combustion chamber suitable for a gas turbine engine is provided with at least one Helmholtz resonator having a resonator cavity and a resonator neck in flow communication with the chamber interior. The resonator neck is provided with at least cooling holes extend... | 11/11/2008 |
| 7448849 | Seal A turbofan gas turbine engine (10) comprises a compressor rotor (24) carrying a plurality of circumferentially spaced radially extending rotor blades (26) and a casing (28) surrounding the compressor rotor (24) and compressor rotor... | 11/11/2008 |
| 7444802 | Gas turbine engine including stator vanes having variable camber and stagger configurations at different circumferential positions Within an intake for a gas turbine engine provision is provided through stator vanes 25, 45 in the stator whereby back pressure from a necessary obstruction 34, 46 can be utilised to balance forward pressure variations caused by intake droop or crosswi... | 11/04/2008 |
| 7444826 | Fault current limiter A fault current limiter comprising: an input node; an output node; a variable impedance element coupled between the input node and the output node; a multi-cycle refrigeration system, comprising a first coolant cycle for cooling the variable impedance element and a ... | 11/04/2008 |
| 7434303 | Nacelle assembly for a gas turbine engine A nacelle assembly 40 adapted for mounting on a ducted fan gas turbine engine 20 comprising a generally annular body 46 having an air inlet 42 and an air outlet 44, the generally annular body 46 encircling a region of the en... | 10/14/2008 |