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Assignee: Rolls-Royce plc


Location: Not specified.
No. of applications: 37

Application No.Application TitleIssue Date
20120040467OXIDATION STATE SENSORS AND METHODS FOR TRANSITION METAL ALLOYS
The present invention is concerned with a method of discriminating between, in a surface of a transition metal alloy, transition metals in different oxidation states using surface sensor molecules adapted to associate selectively with one of the transition metals. In pa...
02/16/2012
20090136358Blade cooling
In order to couple coolant air flow presented through a coolant gallery 4, 24 through an opening 7, 27 into a passage 8, 28 a flow deflector 6, 26 is provided. The flow deflector 6, 26 progressively deflects the coolant air flow 5, ...
05/28/2009
20090120667Lead
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 coup...
05/14/2009
20090086386Fault 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 closed loop cryocooler circuit, comprising a first cryocooler for cooling the variable impedance element and a second cr...
04/02/2009
20090071401Method and apparatus for recycling inert gas
A method for recycling an inert gas evacuated from a material deposition process chamber 10 comprises cooling the evacuated inert gas and recirculating a proportion of the cooled gas to the chamber 10 at a first temperature for use as a cooling gas in the ...
03/19/2009
20090068538Module for a fuel cell stack
A fuel cell stack (10) comprises a plurality of modules (12) and each module (12) comprises an elongate hollow member (14). Each module (12) has at least one passage (31) extending longitudinally through the hollow member (14...
03/12/2009
20090061264Carbon 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 (
03/05/2009
20080292925Pre-reformer
A pre-reformer (10) comprises a non-electrically conducting gas tight duct (12) and an electrically conducting wire (14) arranged in the duct (12). The electrically conducting wire (14) is electrically isolated from the duct (12...
11/27/2008
20080292451Securing arrangement
A securing arrangement 32 for securing an actuating lever 20 to a spindle 14, for example a spindle 14 of a variable inlet guide vane 10 in a gas turbine engine, comprises a fastening formation 38 rotatably co-operable, in use, ...
11/27/2008
20080282972Method and mould for casting articles with a pre-determined crytalline 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-crystal ex...
11/20/2008
20080120960Carbon 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 (
05/29/2008
20080105493Fluid system
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 o...
05/08/2008
20080060340Work extraction arrangement
A work extraction arrangement (10) comprises a cooling assembly (12) for cooling a gas to provide a working fluid capable of doing work. The arrangement (10) further includes storage means (14) for storing the working fluid and a turbine asse...
03/13/2008
20080030022Method of manufacturing an article by appyling 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 of th...
02/07/2008
20080029927Method and apparatus for heat-treating an article and a fixture for use in the same
A substrate (33) is clamped into a fixture (32) and material is deposited thereon to form a complex article (40). The article (40) produced is packed, using ceramic inserts (42) and a coating (41). The packing (42) ensure...
02/07/2008
20070283549Method 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 of th...
12/13/2007
20070074500Fuel injector
A variable geometry pre-mixing fuel injector (50) for injecting a fuel/air mix in a downstream direction, comprising: an air inlet (60); a fuel inlet (58) positioned downstream of the air inlet (60); a duct (56) extending at least down...
04/05/2007
20070044451Cooling systems
Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point below the working temperature and in which the component is immersed or wi...
03/01/2007
20070031249Gas 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 portion...
02/08/2007
20060179817Nacelle 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 engine...
08/17/2006
20060078445Dual drive for hydraulic pump and air boost compressor
A dual drive system for a hydraulic pump and an air boost compressor is provided. Reversible power is transmitted to a shaft connected to clockwise and counterclockwise over-running clutches connected to different vehicle or equipment subsystems. Reversing the drive all...
04/13/2006
20060021350Fuel injection apparatus
A fuel injection apparatus (10) for a gas turbine engine (110) comprising a prefilmer (26), the prefilmer (26) comprises a body (50), the body (50) defines an axis (51), an annular surface (40) and a downstream edg...
02/02/2006
20060016932VARIABLE POSITION INTAKE FOR AN AIRCRAFT MOUNTED GAS TURBINE ENGINE
An aircraft (10) comprises a wing (12) having an upper surface (16) and a lower surface (18) and at least one turbofan gas turbine engine (20) mounted on the wing (12). The axis (34) of the at least one turbofan gas turbi...
01/26/2006
20050285345Seal apparatus
A seal (40) provides sealing between two pressure zones (60, 62) and a rotating and non-rotating member (42, 52) by providing a first sealing member (46) between two seal lands (48, 50). A second seal (64) is mounted between the...
12/29/2005
20050279061Vents for fluid systems
A vent for a fluid system includes a chamber through which fluid can flow along either a first flow path or a second flow path, in which the resistance to fluid flow is relatively high when the fluid follows the first flow path and relatively low when the fluid follows ...
12/22/2005
20050268728Apparatus and a method for testing attachment features of components
An apparatus (10) for testing attachment features (26,28,30,32) of components (12,14) comprises a first member (16) having a first end (18), a second end (20), a first edge (22) and a second edge (24). The first ed...
12/08/2005
20050265826Cellular materials
A structural member comprises a main body formed from a cellular material. The structural member may be a casing for a rotary assembly e.g. a fan of a gas turbine engine. The main body may incorporate strengthening ribs and conduits and may have a random or graduated ar...
12/01/2005
20050263643Cowl structure for a gas turbine engine
A cowl structure (18) for a gas turbine engine (10) comprises an outer skin (26) defining a first path for a load applied to the engine (10). The cowl structure (18) includes an inner skin (24) defining a second path for the loa...
12/01/2005
20050229586Variable area nozzle
An exhaust nozzle assembly for a gas turbine engine, the assembly comprises a main axis, an inner nozzle, an outer nozzle, a translatable centre-body and a means for translating the centre-body between a forward position and a rearward position. The centre-body is dispo...
10/20/2005
20050193714Gas turbine engine
A gas turbine engine (10) comprises a second compressor (14), a first compressor (16), a heat exchanger (18), a combustor (20), a first turbine (22), a second turbine (24) and a third turbine (26) arranged in flow ...
09/08/2005
20050166575Gas turbine engine exhaust nozzle
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 nozzl...
08/04/2005
20050151329Sealing device
A seal structure (10) has a flange (12) which locates against the flange of another member (22) and is held there by a ā€œUā€ shaped clip (32). Member (22) has one or more cut outs (30) in its flange, and clip (32) has a...
07/14/2005
20050126736Investment moulding process and apparatus
An investment mould process for forming a cast member is described. The process comprises forming a precursor casting (12) from a master mould (10). The master mould (10) has an internal surface (16) defining a space (14) in which the ...
06/16/2005
20050126735Investment moulding process and apparatus
An investment mould process for forming a cast member is described. The process comprises forming a precursor casting (12) from a master mould (10). The master mould (10) has an internal surface (16) defining a space (14) in which the ...
06/16/2005
20050103463Investment moulding process and apparatus
An investment mould process for forming a cast member is described. The process comprises forming a precursor casting (12) from a master mould (10). The master mould (10) has an internal surface (16) defining a space (14) in which the ...
05/19/2005
20050097882Gas turbine engines
A gas turbine engine (10) includes a first fire zone (Zone 3) in the region of a core of the engine and a second fire zone (Zone 1) in the region of a fan case of the engine, the first and second fire zones being separated by fire walls. The first f...
05/12/2005
20050034399Double wall combustor tile arrangement
A double wall structure (22) for a combustor (15) of a gas turbine engine (10) comprising an inner wall (28) and an outer wall (27), the inner wall (28) comprising a plurality of main tiles (50), the main tiles (50...
02/17/2005
 
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