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Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7934367 | Method and device for reducing the speed in the event of breakage of a gas turbine engine turbine shaft A device for detecting breakage of a gas turbine engine shaft and for reducing the rotational speed of the turbine includes a rotor of a turbine or of a first stage turbine driving the shaft. The rotor has a turbine disk with a rim. A stator that the rotor rotates i... | 05/03/2011 |
| 7874136 | Rotor containment element with frangible connections A containment system for containing fragments of a burst rotor including first and second means for frangibly connecting a containment element to first and second walls, the first and second means rupturing upon being subjected to a load mainly produced by a transla... | 01/25/2011 |
| 7841163 | Turbofan emergency generator A turbine engine emergency power system includes low and high pressure spools, the lower pressure spool including a low pressure compressor. A turbofan is coupled to the low pressure spool. The turbofan drives the low pressure spool in a windmill condition in which ... | 11/30/2010 |
| 7788895 | Flashback-detecting equipment, flashback-detecting method and gas turbine When a temperature of cooling steam being measured by a temperature-measuring device 13 in one combustor 2-x among combustors 2-1 through 2-8 is confirmed to be higher than a temperature of a predetermined time before... | 09/07/2010 |
| 7770375 | Particle collector for gas turbine engine A material having a plurality of impurity collection spaces has an outer face facing into a cooling air flow stream for a gas turbine engine component. Impurities such as sand or dirt will collect in the plurality of spaces. In a disclosed embodiment, a honeycombed ... | 08/10/2010 |
| 7757474 | Gas turbine protection device A gas turbine has a plurality of combustors in a toroidal arrangement to provide combustion gases to turbine blades, thereby rotating the turbine body. Thermocouples, the number of which is the same as or greater than the number of the combustors, are arranged toroi... | 07/20/2010 |
| 7743599 | System and apparatus for gas turbine engine lean blowout avoidance A method of monitoring and controlling the combustion dynamics of a gas turbine engine system is provided. The system includes at least one gas turbine that includes at least one combustor can. The method includes receiving a signal from a gas turbine engine sensor ... | 06/29/2010 |
| 7735310 | Gas turbine and method for shutting off a gas turbine when breakage of a shaft is identified A gas turbine, such as an aircraft engine, has at least one compressor, at least one turbine, a combustion chamber, and a fuel pump to supply fuel to the combustion chamber. Upon identification of a break of a shaft that couples a compressor with a turbine, the gas ... | 06/15/2010 |
| 7712299 | Anti-bogdown control system for turbine/compressor systems An anti-bogdown control system monitors and regulates operation of a turbine and a compressor to prevent underspeed trip of the turbine while avoiding surge of the compressor. A turbine speed controller receives a turbine speed signal and a turbine temperature signa... | 05/11/2010 |
| 7703270 | Cable connection for a gas turbine engine safety fuel shut-off mechanism A mistake proof cable assembly for promoting short time engine assembly and method of assembling same. The mistake proof cable assembly comprises a slotted member defining a slot having an open end, and a cable connected to the slotted member and extending longitudi... | 04/27/2010 |
| 7581377 | Low-cost frangible cable for gas turbine engine An emergency fuel shut-off system for a gas turbine engine comprises a fuel shut-off device to be actuated for terminating a fuel supply to the engine in response to a mechanical actuation force and an actuator adapted for creating the mechanical actuation force whe... | 09/01/2009 |
| 7536850 | Emergency fuel shutoff system The emergency fuel shutoff system for a gas turbine engine comprises a pyrotechnic device which allows the fuel circuit to be closed upon triggering of the pyrotechnic device. ... | 05/26/2009 |
| 7497073 | Engine monitoring Continuous engine monitoring with regard to gas turbine engines is difficult particularly when the engine is utilized for propulsion of an aircraft. Nevertheless, by use of transfer passages 4 to an arrangement located within the tail cone 9 of an engi... | 03/03/2009 |
| 7464532 | Apparatus for elimination of transient pressure spikes on stiff fluid systems An apparatus for reducing pressure spikes in a fuel line having a shut-off valve is provided. The apparatus comprises a body housing a biasing member and a moveable separation member. The body has first, second, and third chambers. The first and second chambers are ... | 12/16/2008 |
| 7454892 | Systems and methods for detection and control of blowout precursors in combustors using acoustical and optical sensing The present invention comprises methods for detecting and controlling flame blowout in combustors. The blowout precursor detection system comprises a combustor, a blowout precursor detection unit, a pressure measuring device and/or an optical measuring device. The m... | 11/25/2008 |
| 7441411 | Method and apparatus to detect onset of combustor hardware damage A method for determining when a combustor is experiencing hardware damage includes sensing acoustic vibrations of a plurality of combustor cans, determining a center frequency for each acoustic tone of the sensed acoustic vibrations within a predetermined frequency ... | 10/28/2008 |
| 7437871 | Automatic engine protection system for use when electronic parts of a control system are exposed to overtemperature conditions An automatic engine protection system for use when electronic parts of the control system are exposed to overtemperature conditions. A thermally sensitive component, such as an engine electronic control or an electronic overspeed control, is mounted on the engine. A... | 10/21/2008 |
| 7431569 | Pump health monitoring A method of monitoring the health of a positive displacement hydraulic pump comprising the steps of: establishing a flow path having a known flow number between a high pressure outlet line of the pump (and a low pressure line of th... | 10/07/2008 |
| 7401461 | Reduced-weight fuel system for gas turbine engine, gas turbine engine having a reduced-weight fuel system, and method of providing fuel to a gas turbine engine using a reduced-weight fuel system A fuel system (10) for a gas turbine engine (18) having a shaft (30) and requiring fuel to be supplied at a first rate for engine start up, the fuel system (10) including: a main fuel pump (14) for providing fuel to the gas turbine... | 07/22/2008 |
| 7369932 | System and method for turbine engine fault detection using discrete event system modeling A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis. The fault detection system and method receives sensor taken at multi... | 05/06/2008 |
| 7340882 | Turbomachine with means for axial retention of the rotor The turbomachine of the invention extends longitudinally along an axis, and includes a rotor attached to drive shaft, arranged to rotate around an axis, supported by at least a first bearing, mounted on the fixed structure of the turbomachine by a bearing support el... | 03/11/2008 |
| 7334999 | Turbomachine rotor including at least one disk reinforced by a composite ring A turbomachine rotor including at least one disk having a ring constituted, for example, by a winding of metal-coated silicon carbide or alumina yarn. According to the invention, the composite ring is received in a closed annular cavity, e.g. defining by machining a... | 02/26/2008 |
| 7286923 | System and method for estimating turbine engine deterioration rate with noisy data A method for monitoring engine performance includes sampling exhaust gas temperature associated with a turbine engine over an interval of operational time of the turbine engine. The method further includes applying a first test to identify statistical outliers on th... | 10/23/2007 |
| 7281382 | Method and apparatus for detecting the presence of flame in the exhaust path of a gas turbine engine A method and apparatus for monitoring the exhaust path of a gas turbine engine for the presence of unwanted flames downstream from the main combustion chamber(s). The system is comprised of an Electro-Optics Module containing sensors and associated processing electr... | 10/16/2007 |
| 7260937 | Method and apparatus for actuating fuel trim valves in a gas turbine The gas turbines of the present invention have multiple combustion chambers, and within each chamber are multiple fuel nozzles. Each nozzle has its own fuel control valve to control the fuel flowing to the nozzles. To minimize the pressure drop through the fuel cont... | 08/28/2007 |
| 7262712 | Helicopter tactile exceedance warning system A helicopter tactile accedence warning system includes a control stick and a tactile warning device attached to the control stick. A computer or micro processor and a keyboard for entering a safe temperature profile are also provided as well as a thermocouple for me... | 08/28/2007 |
| 7246990 | Composite fan containment case for turbine engines A composite fan casing for a gas turbine engine is provided includes, in an exemplary embodiment, a core having a plurality of core layers of reinforcing fiber bonded together with a thermosetting polymeric resin. Each core layer includes a plurality of braided rein... | 07/24/2007 |
| 7232097 | Fire shield method Provided is a method for providing fire shield protection to an aircraft auxiliary power unit, or portion thereof, or to other aircraft systems. ... | 06/19/2007 |
| 7225607 | Gas turbine braking apparatus and method A device is provided which can serve one or more of the multiple functions of impeding rotation of a shaft de-coupled turbine rotor, selectively impeding rotation of a first spool of the engine, for example to permit a second spool to generate power for use in groun... | 06/05/2007 |
| 7208123 | Molecular contamination monitoring system and method A flow-through monitor for detecting molecular contamination (MC) within a fluid flow. The monitor has a diffusion chamber having an inlet port and an outlet port, and a structure for supporting a fluid flow from the inlet port to the outlet port. The structure incl... | 04/24/2007 |
| 7197880 | Lean blowoff detection sensor Apparatus and method for detecting incipient lean blowoff conditions in a lean premixed combustion nozzle of a gas turbine. A sensor near the flame detects the concentration of hydrocarbon ions and/or electrons produced by combustion and the concentration monitored ... | 04/03/2007 |
| 7195444 | Turbomachine with a decoupling device common to first and second bearings of its drive shaft, compressor comprising the decoupling device and decoupling device The invention relates to a turbomachine comprising a rotor with a drive shaft centered on the axis of the turbomachine by a first bearing and a second bearing which bearings are supported respectively by a first-bearing-support piece and a second-bearing-support pie... | 03/27/2007 |
| 7188465 | Method and apparatus for actuating fuel trim valves in a gas turbine The gas turbines of the present invention have multiple combustion chambers, and within each chamber are multiple fuel nozzles. Each nozzle has its own fuel control valve to control the fuel flowing to the nozzles. To minimize the pressure drop through the fuel cont... | 03/13/2007 |
| 7140186 | Method and apparatus for monitoring the performance of a gas turbine system A method for monitoring performance of a gas turbine system comprises providing a plurality of combustor cans; placing a plurality of temperature sensors circumferentially around an exhaust plane of the plurality of combustor cans; operating the plurality of combust... | 11/28/2006 |
| 7114321 | Thermal isolation device for liquid fuel components A thermal isolation device for a gas turbine combustor assembly includes a plurality of substantially flat plates secured in spaced relationship by a plurality of columns, at least one column incorporating a bolt hole for use in securing the device between a pair of... | 10/03/2006 |
| 7100354 | Shut-off system for the avoidance of an overspeed condition in the event of a shaft failure A mechanical-electronic shut-off system detects a shaft failure and initiates the shut-off of the fuel supply. It features, on the free end of a reference shaft (2) connected the to energy-consuming end of the respective shaft (1), an axially moveable ... | 09/05/2006 |
| 7100355 | Battle override valve A fuel control system, battle override valve and a method of controlling bypass fuel in a fuel system are disclosed. A battle override valve 30 for an engine fuel system 10 includes a metering valve 50 having a rate limiting function providing f... | 09/05/2006 |
| 7093447 | Auxiliary power unit with an oil-free compressor An auxiliary power unit for aircraft with a load compressor that delivers cabin air free of oil contamination by supporting a drive shaft for the load compressor with oil-free bearings and coupling the load compressor to a gearbox and power head for the auxiliary po... | 08/22/2006 |
| 7093666 | Apparatus and method for providing fireproofing to an aircraft auxiliary power unit A fire protection apparatus for an oil cooler in an aircraft auxiliary power unit compartment adapted to at least partially cover the oil cooler to thereby at least partially block flames from directly impinging the oil cooler in the event of a fire in the compartme... | 08/22/2006 |
| 7089746 | Systems and methods for detection of blowout precursors in combustors The present invention comprises systems and methods for detecting flame blowout precursors in combustors. The blowout precursor detection system comprises a combustor, a pressure measuring device, and blowout precursor detection unit. A combustion controller may als... | 08/15/2006 |
