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| Number | Title | Issue Date |
| 7980056 | Methods and apparatus for controlling air flow within a pulse detonation engine A flow control device for use with a pulse detonation chamber including an inlet coupled in flow communication with a source of compressed air. The inlet extends at least partially into the chamber to facilitate controlling air flow into the chamber. The device also... | 07/19/2011 |
| 7966804 | Method and apparatus for testing gas turbine engines A method for testing a cooling system for use in a gas turbine engine control system is provided. The method includes connecting an inlet of the cooling system to a differential pressure sensor, connecting an outlet of the cooling system to the differential pressure... | 06/28/2011 |
| 7958717 | Gas turbine power generator plant and silencer for the same A gas turbine power generator plant, intended to reduce its noise by making small the intake and exhaust outlets of the cooing air channel of a case, comprises an engine core in which a turbine, a compressor and a generator are installed on the same axis, a combusto... | 06/14/2011 |
| 7743600 | Gas turbine engine telemetry module A sensor assembly for a gas turbine engine includes a telemetry module mounted at a rotor bearing compartment for sensing engine operational parameters and a cooling system for cooling the telemetry module separate from a rotor bearing lubricant flow. ... | 06/29/2010 |
| 7730713 | Gas turbine power plant Provided is a gas turbine power plant in which a rotor of a generator is journalled by water lubrication bearings into which a part of cooling water for cooling the generator is fed. Since the lubrication water has a viscosity lower than that of lubrication oil, it ... | 06/08/2010 |
| 7540142 | Multiple auxiliary power unit system inlet ducts controlled by a single actuator An auxiliary power unit (APU) compartment air inlet system seals, via one or more inlet doors driven by a single actuator, an APU compartment, and isolates the APU inlet and cooling system inlets from each other. The system includes either one or two inlet doors, de... | 06/02/2009 |
| 7421842 | Turbine spring clip seal An improved turbine spring clip seal for directing gases to be mixed with fuel in a combustor basket. The turbine spring clip seal may include an inner housing and an outer housing. The inner housing or the outer housing, or both, may be shortened relative to conven... | 09/09/2008 |
| 7409832 | Gas turbine power generator plant with mutually independent cooling air channels from intake to exhaust A gas turbine power generator plant, intended to reduce its noise by making small the intake and exhaust outlets of the cooing air channel of a case, comprises an engine core in which a turbine, a compressor and a generator are installed on the same axis, a combusto... | 08/12/2008 |
| 7377098 | Gas turbine engine frame with an integral fluid reservoir and air/fluid heat exchanger Disclosed is a structural frame for a gas turbine engine comprising an integral fluid reservoir and air/fluid heat exchanger. A central hub includes a reservoir for storing a fluid and an outer rim circumscribes the hub. A heat exchanger is fluidly coupled to the re... | 05/27/2008 |
| 7373771 | Cooling arrangement for an accessory gearbox and method of cooling The accessory gearbox (AGB) has at least one coolant passage between the AGB and the accessory for externally cooling the accessory without coolant flow inside the accessory. ... | 05/20/2008 |
| 7373779 | Methods and apparatus for cooling gas turbine engines A method for assembling a gas turbine engine assembly that includes mounting a gas turbine engine including an inlet and an exhaust within a module that includes an inlet area, an exhaust area, and an engine area extending therebetween, such that the gas turbine eng... | 05/20/2008 |
| 7287384 | Bearing chamber pressurization system A method and device for improved pressure balancing in a bearing chamber pressurization system for gas turbine engines employ a partition member to substantially separate first and second air-oil seals of the bearing housing. ... | 10/30/2007 |
| 7278475 | Control arrangement for cooling power electronic components A control arrangement (10) comprises a first selectable controller (12) for controlling an action, and a second selectable controller (14) for controlling the action. The arrangement also includes a selector (22) for selecting one of the ... | 10/09/2007 |
| 7251942 | Integrated gearless and nonlubricated auxiliary power unit An auxiliary power unit (APU) includes a compressor, a turbine, a combustor, and a starter-generator unit all integrated within a single containment housing. The turbine has an output shaft on which the compressor is mounted, and the starter-generator unit is couple... | 08/07/2007 |
| 7249463 | Aerodynamic fastener shield for turbomachine A fastener shield for use in a fluid flow path within a gas turbine engine for reducing fluid drag and heating generated by fluid flow over a plurality of circumferentially spaced fasteners. The fastener shield has a radially-extending, downstream-facing mounting fl... | 07/31/2007 |
| 7231767 | Forced air cooling system A forced air cooling system for an APU comprising at least an oil cooler, a plenum in fluid communication with the oil cooler, and a compressor rotated by a rotating shaft of the APU such that the compressor and rotating shaft rotate at a same speed, the rotating co... | 06/19/2007 |
| 7216488 | Methods and apparatus for cooling turbine engine combustor ignition devices An ignition device assembly for a gas turbine engine combustor includes a body and a shroud. The body extends from an inlet end to an outlet end, and the shroud extends circumferentially around at least a portion of the body, and axially from a first end to a tip en... | 05/15/2007 |
| 7150431 | Electrical generator fluid-flow-coolant filtration A ventilating and particle-filtering airflow system, and related methodology, for managing the flow of air to the brush region of an on-board aircraft (vehicle) electrical generator. Conduit structure collects intaken air during aircraft (vehicle) engine operation, ... | 12/19/2006 |
| 7013651 | Compact quick attach starter-generator installation A mounting system for mounting an air-cooled device to a mount, the device having a mounting flange and a cooling air outlet radially inward of an outer periphery of the device, the mounting flange adapted to cooperate with the mount, where the mounting system has a... | 03/21/2006 |
| 6983607 | Turbine compartment ventilation control system and method using variable speed fan A method to ventilate a rotary machine housed in a compartment having a ventilation air inlet and air exhaust, a variable speed ventilation fan and a temperature sensor, wherein the method includes: sensing a temperature level of the rotary machine; applying the sen... | 01/10/2006 |
| 6955038 | Methods and apparatus for operating gas turbine engine combustors A method facilitates assembling a gas turbine engine. The method comprises coupling a combustor including a dome assembly and a combustor liner that extends downstream from the dome assembly to a combustor casing that is positioned radially outwardly from the combus... | 10/18/2005 |
| 6901737 | Air intake for an auxiliary power unit in an aircraft An air intake for an aircraft forms a first airflow channel (8) for feeding fresh air into the aircraft, and a second airflow channel (2) for feeding cooling air to an auxiliary power unit (AP). These first and second airflow channels are so positioned... | 06/07/2005 |
| 6896038 | Stator ring ventilation assembly An assembly for ventilating a stator ring having branched pipes that include feed pipes, distributors, and a plurality of manifolds adjacent to the stator ring and provided with drilled holes. The distributors connect the feed pipes to the plurality of manifolds, an... | 05/24/2005 |
| 6851267 | Compact quick attach starter-generator installation A mounting system, for installing a starter-generator to an accessory housing, where the starter-generator has a mounting end with a connecting flange and a cooling air outlet radially inward of a peripheral starter-generator housing edge, and where the accessory ho... | 02/08/2005 |
| 6851255 | Normally open reverse flow flapper valve A fluid flow actuated valve for controlling the fluid flow in a conduit comprises a support structure adapted to be mounted within the conduit and at least one flap member pivotally mounted to the support structure. The at least one flap member is pivotable between ... | 02/08/2005 |
| 6766648 | Anti-condensation device for a flame sensor of a combustion chamber An anti-condensation device for a flame sensor (10) of a combustion chamber (12), wherein the sensor (10) is disposed outside the combustion chamber (12) and determines the presence of the combustion flame by means of an aperture (14 | 07/27/2004 |
| 6763663 | Injector with active cooling An injector includes a plurality of flat, circular plates which provide fuel delivery and cooling of the injector. Fuel delivery passages in the plates have swirl chambers and spray orifices which are formed by chemical etching. A pair of fuel delivery plates define... | 07/20/2004 |
| 6532744 | Method for cooling a gas turbine system and a gas turbine system for performing this method A gas turbine system comprises a compressor that takes in suction air on the inlet side and compresses it to compressor end air that is available on the outlet side, a combustor in which a fuel is burned by using the compressor end air while resulting in ... | 03/18/2003 |
| 6343465 | Aircraft fuel tank explosion reduction safety method An efficient, economical, reliable method for reducing aircraft fuel tank explosion potential that can easily be manufactured or retrofitted to existing aircraft systems. Ducting means to connect an aircraft's propulsion or auxiliary power gas turbine jet... | 02/05/2002 |
| 6318065 | System for chilling inlet air for gas turbines In a gas turbine power plant system having an air chiller for lowering the temperature of inlet air, a compressor for compressing the inlet air, a combustor for combusting the compressed air and fuel and a power turbine for providing useful power, a metho... | 11/20/2001 |
| 6227800 | Bay cooled turbine casing A turbine casing supports a row of nozzle vanes through which are flowable hot combustion gases. A baffle surrounds the casing to define a cooling duct. A nacelle surrounds the turbine casing to define a bay having an inlet for receiving bay air, and an o... | 05/08/2001 |
| 6202403 | Core compartment valve cooling valve scheduling A system is provided for cooling the undercowl environment of a gas turbine engine having a high pressure compressor and a core gas stream. An electronically controlled compartment cooling valve is controlled as a function of corrected fan speed, altitude... | 03/20/2001 |
| 6178733 | External blower motor and starting motor for a combustion turbine system A combustion turbine system of this invention includes a compressor, a combustor, a turbine section, an external blower, an electrical generator and a prime mover for powering the blower and the compressor. The compressor produces a compressed air that mi... | 01/30/2001 |
| 6134878 | Cooling arrangement for a gas turbine driven power system A gas turbine driven power system includes a shell having an air inlet and an exhaust outlet. Mufflers are provided at the air inlet and the exhaust outlet, respectively. A gas turbine as a power source is provided in the shell and includes an inlet port ... | 10/24/2000 |
| 6112544 | Generator cooling system In a generator cooling system (10) for a generator used for current generation in a power station, said generator having a generator cooler (11) which is arranged, together with further coolers (12, . . . , 17), in a closed intermediate cooling circuit (1... | 09/05/2000 |
| 6092360 | Auxiliary power unit passive cooling system A passive cooling system for an auxiliary power unit (10) located in an aft compartment (20) of an aircraft is provided in which cooling air is drawn into the compartment through an aft opening (54) located in the rear of the aircraft and discharged back ... | 07/25/2000 |
| 6056538 | Apparatus for suppressing flame/pressure pulsations in a furnace, particularly a gas turbine combustion chamber An apparatus is provided for suppressing flame/pressure pulsations in a furnace, in which a flame is surrounded by a gas shroud stream having a higher flow speed, whereby a ring vortex formation is stopped. In order for this gas shroud stream to be able t... | 05/02/2000 |
| 6000210 | Aircraft gas turbine engine with a liquid-air heat exchanger A turboprop engine having an oil cooler which is disposed in the engine pod and upon which cooling air acts. The oil cooler is disposed in a flow duct which at the rear opens into the environment and at the front can be connected alternately to an air-inl... | 12/14/1999 |
| 5987877 | Turboprop engine with an air-oil cooler A turboprop engine in the pod of which an air-oil cooler is disposed downstream of a cooling air inlet opening. The oil cooler exhaust air is discharged via an air duct with which a cooling air conveying device is associated. In this way it is ensured tha... | 11/23/1999 |
| 5873236 | Fuel reforming apparatus and electric power generating system having the same A cylindrical fuel reforming apparatus covered with a thermal insulating layer 16 comprises a fuel flow passage 1 contoured by a cylindrical contour wall 2 in its central axial direction and a reforming catalyst bed 3 in the middle of the flow passage for... | 02/23/1999 |
