Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8151573 | Turbomachine flameout confirmation Methods and apparatus are provided for detecting a flameout of an operating turbomachine that is configured to receive a controlled flow of bleed air from a bleed air source and a controlled flow of fuel from a fuel source. A value of an operational parameter within... | 04/10/2012 |
| 8104289 | Systems and methods involving multiple torque paths for gas turbine engines Systems and methods involving multiple torque paths of gas turbine engines are provided. In this regard, a representative spool assembly for a gas turbine engine, which incorporates a compressor, a turbine and a gear assembly, includes: a shaft operative to be drive... | 01/31/2012 |
| 7980081 | Configurations and methods for LNG fueled power plants Contemplated configurations and methods use first and second precoolers, preferably in alternating operation, to provide a combustion turbine with air at a temperature of 50° F., and more typically less than 32° F. and most typically less than 0° F. In such confi... | 07/19/2011 |
| 7802433 | Adaptive inertial particle separators and methods of use A method for operating a gas turbine engine including a compressor is provided. The method includes defining a predetermined concentration, placing at least one sensor in an inlet of the gas turbine engine, detecting a sand and dust concentration value using the at ... | 09/28/2010 |
| 7762082 | Apparatus and method of recovering vapors An apparatus and method is disclosed for recovering a flammable vapor emanating from a vent of a tank. The apparatus comprises an input conduit for connecting to the vent of the tank. An input manifold connects the input conduit to an input of a compressor with an o... | 07/27/2010 |
| 7721553 | Method and apparatus for detecting a flashback condition in a gas turbine A method and apparatus for detecting a flashback condition in a fuel nozzle (8) of a gas turbine (10) are provided. The fuel nozzle is configured to pass a flow of air (20) to be mixed with a fuel in a premixing zone (11). The apparatus i... | 05/25/2010 |
| 7681402 | Aeroengine oil tank fire protection system A gas turbine engine comprising an oil system and a gearbox, the gearbox is driven by at least one engine shaft, the oil system comprises a pump drivingly connected to the gearbox, an oil tank connected to the pump via a supply pipe and a delivery pipe connecting th... | 03/23/2010 |
| 7658077 | System for deicing an aircraft turbine engine inlet cone The invention relates to a system (2) for deicing an aircraft turbine engine inlet cone (4) comprising air-diffusing means (18) intended to equip the inlet cone of the turbine engine so as to deliver hot air thereto. According to the invention, ... | 02/09/2010 |
| 7654093 | Method of adjusting a triggering clearance and a trigger A method of adjusting a triggering clearance and a trigger wherein the triggering clearance can be readily adjusted directly on the assembly line by selectively fixing an axial adjustive position between first and second triggering members. ... | 02/02/2010 |
| 7647778 | Engine arrangements and control It is known that power is normally extracted within a gas turbine engine from a shaft in order to drive auxiliary devices such as electrical power generators. With high extraction rates from such shafts there is mismatching in rotational speeds between the shafts wh... | 01/19/2010 |
| 7584617 | Monitoring health of a combustion dynamics sensing system A method and system (14) for monitoring a health of a combustion dynamics sensing system (10) includes monitoring respective dynamic conditions of at least two combustor cans (16) of a can annular combustor (12) of a gas turbine engine wi... | 09/08/2009 |
| 7461509 | Method and system for determining lean blow out condition for gas turbine combustion cans A method for determining a lean blow out condition for a combustor. In an exemplary embodiment, the method includes determining acoustical frequency data for the combustor, determining a combustor flame temperature based on the acoustical frequency data, determining... | 12/09/2008 |
| 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 |
| 7386982 | Method and system for detecting ignition failure in a gas turbine engine A method of operating a gas turbine engine is provided. The method includes introducing a fuel into a combustor, detecting a failure of ignition of the fuel, and preventing ignition until the introduced fuel is substantially removed from the gas turbine engine. ... | 06/17/2008 |
| 7356390 | Systems and applications of lighter-than-air (LTA) platforms Innovative new methods in connection with lighter-than-air (LTA) free floating platforms, of facilitating legal transmitter operation, platform flight termination when appropriate, environmentally acceptable landing, and recovery of these devices are provided. The n... | 04/08/2008 |
| 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 |
| 7202794 | Flame detection system A flame detection system includes a plurality of sensors for generating a plurality of respective sensor signals. The plurality of sensors includes a set of discrete optical radiation sensors responsive to flame as well as non-flame emissions. An Artificial Neural N... | 04/10/2007 |
| 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 |
| 7194865 | Turbine overspeed protection A method and apparatus for turbine overspeed protection, useful for steam and gas turbines, is disclosed. The apparatus comprises a spring-loaded rod held by a plurality of energized solenoids in an operating position any time the turbine's shaft rotational speed is... | 03/27/2007 |
| 7184865 | Fault detection logic for engines In a fault detection logic for an engine controller for the detection of too low or too high a thrust relative to an intended positive or negative acceleration, the positive or negative error of the engine pressure ratio and the positive or negative acceleration of ... | 02/27/2007 |
| 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 |
| 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 |
| 7140188 | Gas turbine engine with intake air flow control mechanism A gas turbine engine includes: an air flow control system installed in an air intake path for introducing air to a compressor. The air intake path is located outside and upstream with respect to the compressor. The engine also includes intake air flow control means ... | 11/28/2006 |
| 7104070 | Liquid fuel nozzle apparatus with passive water injection purge In a gas turbine having a compressor, a combustor and a turbine, a gaseous fuel supply coupled to provide gaseous fuel to the combustor, a liquid fuel supply coupled to provide liquid fuel to the combustor via nozzle assembly. The nozzle assembly includes a pluralit... | 09/12/2006 |
| 7103206 | Method and apparatus for detecting doubled bills in a currency handling device A doubles detection system for detecting doubled documents. The system comprises one or more light sources disposed on a first side of a test document and one or more reflected light sensors disposed along the first side of the test document. The reflected light sen... | 09/05/2006 |
| 7100378 | Method and apparatus for controlling fuel flow to an engine A method for selectively interrupting fuel flow to an engine. The method comprises: in a normal mode, enabling a normal interruption signal for interrupting the fuel flow in response to a normal shutdown signal; and in an emergency mode, enabling an emergency interr... | 09/05/2006 |
| 7093503 | Variable phase turbine An axial flow turbine configured to accept different nozzles which are respectively compatible with different fluids (gas, liquid or mixture thereof). The turbine is compatible with different rotating loads, which can be cooled or lubricated using liquid derived fro... | 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 |
| 7065973 | Stall detection and recovery system A stall detection and recovery system (10) for a gas turbine engine (1) comprises surge detection means (50 for detecting an engine surge and providing a surge detection signal (154) for indicating said engine surge. The system also inclu... | 06/27/2006 |
| 7036302 | Controlled pressure fuel nozzle system A multi-staged gas turbine engine fuel supply system includes a plurality of fuel injectors and at least first and second staged fuel injection circuits in each of the fuel injectors. Each of the first and second staged fuel injection circuits includes first and sec... | 05/02/2006 |
| 7028484 | Nested channel ducts for nozzle construction and the like A multiple conduit system for a gas turbine engine, the multiple conduit system extending between a plurality of conduit inlet and outlets. A channel is formed in a surface of a gas turbine engine component, and the channel is adapted for conveying a fluid flow from... | 04/18/2006 |
| 7025088 | Providing an indication of the position of a valve member A method of providing an indication of the position of a valve member of a valve in a fluid path where the valve member is moveable between a fully open position in which a maximum flow of fluid past the valve member is permitted and a closed position in which fluid... | 04/11/2006 |
| 7002172 | Electronic safety system for the avoidance of an overspeed condition in the event of a shaft failure An electronic safety system for the detection of a shaft failure and for the interruption of the energy supply to the shaft includes at least one measuring light guide (13) which is firmly routed in the shaft longitudinal direction, co-rotates with the shaft ... | 02/21/2006 |
| 7000405 | Gas turbine apparatus and a starting method thereof A gas turbine starting method, comprising the steps of rotatively driving a turbine by a motor coupled to the turbine, while at the same time supplying a compressed air to a combustor by an air compressor operating in interlocking motion with the turbine, starting a... | 02/21/2006 |
| 6999903 | Remote monitoring diagnostic system and method thereof The remote monitoring diagnostic system and method includes a data storage file used to collect the plant data representing the operation status of a plant and to store the plant data, a monitoring system to monitor the field plant according to the collected plant d... | 02/14/2006 |
| 6988366 | Gas turbine and method for damping oscillations of an annular combustion chamber A gas turbine includes an annular combustion chamber and an outer wall of an annular combustion chamber. A straining ring is arranged on the outer wall of the annular combustion chamber and enables oscillations of the outer wall to be damped via friction. The effect... | 01/24/2006 |
| 6962043 | 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... | 11/08/2005 |
| 6955040 | Controlled pressure fuel nozzle injector A multi-staged gas turbine engine fuel supply fuel injector includes at least first and second staged fuel injection circuits having first and second fuel injection points. At least first and second fuel nozzle valves operable to open at different first and second c... | 10/18/2005 |
| 6907368 | Method and device for detecting a pulse-type mechanical effect on a system part A method and device for detection of a pulsed mechanical effect on a plant component includes continuously recording an operating noise in the plant component with a sensor disposed on the plant component and converting the recorded noise into a measured signal with... | 06/14/2005 |
