Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8171716 | System and method for fuel and air mixing in a gas turbine A gas turbine system including a source of gas coupled to a source of fuel wherein the gas and the fuel are combined to form a mixture of gas and fuel prior to the mixture being introduced to a fuel nozzle of the gas turbine system. ... | 05/08/2012 |
| 8171717 | Model-based coordinated air-fuel control for a gas turbine A coordinated air-fuel controller and associated method provide a fuel controller, a combustion air controller and a steady-state air versus fuel model. The fuel controller generates a fuel control output signal and the combustion air controller generates a combusti... | 05/08/2012 |
| 8046984 | Airless gas-turbine engine A gas-turbine engine receives no air from outside atmosphere. Instead, combustion gas expelled from the engine is cooled and recycled back into the engine. That gas contains no nitrogen and consists mostly of carbon dioxide and water vapor. Oxygen and fuel are added... | 11/01/2011 |
| 7610745 | Combustion control device for gas turbine A combustion control device for a gas turbine is capable of controlling fuel ratios such as a pilot ratio and controlling an aperture of a combustor bypass valve in response to a combustion gas temperature at an inlet of the gas turbine in accordance with the origin... | 11/03/2009 |
| 7395655 | Regulator feeding control with two flow rate laws Hydromechanical regulator for controlling the flow of fuel injected into a turbomachine by means of a fuel feed unit (10), comprising a tachometric balance (20) having a beam consisting of two arms (24, 26), which beam can move about a pivot pin... | 07/08/2008 |
| 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 |
| 7338202 | Ultra-high temperature micro-electro-mechanical systems (MEMS)-based sensors Novel micro electro mechanical systems (MEMS)-based sensors for use in ultra-high temperature environments are disclosed. The MEMS-based sensors are derived from a class of polymer-derived ceramics selected from the group consisting of SiCN, SiBCN and SiAlCN. The ma... | 03/04/2008 |
| 7337057 | Methods and apparatus for predicting and/or for avoiding lean blow-outs A method for predicting lean blow-outs (LBOs) in a gas turbine engine includes extracting a plurality of tones in pressure signals representative of pressure within monitored combustor cans, tracking a frequency of a hot tone in each monitored can, and utilizing the... | 02/26/2008 |
| 7334391 | Electric power supply equipment An electric power supply system capable of maintaining stable power generation or the like regardless of variation in the amount of fuel gas being supplied and variation in the gas calorie, comprises a gas engine, a gas turbine, a suction device configured to collec... | 02/26/2008 |
| 7302334 | Automatic mapping logic for a combustor in a gas turbine engine A mapping device maps each burner mode at various bleed settings to generate control schedules for a combustion controller that ensure combustion dynamic (acoustic) pressures, and emissions limits and ring flame temperatures are within operational limits. In general... | 11/27/2007 |
| 7293415 | Method of operating a gas turbine group In a method for operating a gas turbine centre in the vicinity of the group nominal full-load conditions, the cooling of the working fluid before and/or during the compression is set in such a way that the respectively attainable full-load power is above the current... | 11/13/2007 |
| 7293400 | System and method for sensor validation and fusion A method of monitoring a physical parameter comprises receiving a sensor signal representative of an actual value from each of a plurality of sensors. The method further comprises calculating confidence value for each sensed value and a weighted average of actual va... | 11/13/2007 |
| 7284378 | Methods and apparatus for low emission gas turbine energy generation A low-emission method for producing power using a gas turbine includes premixing a plurality of fuel and air mixtures, injecting the fuel and air mixtures into a combustion chamber using a plurality of fuel nozzles, and adjusting a ratio of fuel and air injected by ... | 10/23/2007 |
| 7278266 | Methods 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 ... | 10/09/2007 |
| 7269953 | Method of controlling a power generation system A method of controlling a gas turbine system (10) may include controlling an inlet guide vane position (98) to maintain a turbine (24) exhaust temperature at a corrected value that is a function of a compressor (12) inlet temperature and ... | 09/18/2007 |
| 7257939 | Sliding-action magneto-mechanical injector throttling device Sliding-Action Magneto-Mechanical Injector Throttling Device (SLAMMIT) provides on-demand, yet accurate, throttling of the mass flow of the fuel and/or oxidizer into the combustion chamber of a vortex injector. At least two SLAMMIT sub-assemblies comprise the SLAMMI... | 08/21/2007 |
| 7237377 | Method and apparatus for gas turbine dry low NOx combustor corrected parameter control A method for controlling a combustor of an engine, the combustor having a fuel to oxidant ratio, the fuel to oxidant ratio being defined as a ratio of an amount of fuel supplied to the combustor divided by an amount of oxygen in an oxidant stream supplied to the com... | 07/03/2007 |
| 7210297 | Method and apparatus for identification of hot and cold chambers in a gas turbine combustor A method for identifying combustion characteristics of a plurality combustion chambers in a gas turbine, the method including: supplying fuel to the combustion chambers at a predetermined fuel rate; sensing combustion dynamic pressure in said plurality of combustion... | 05/01/2007 |
| RE39596 | Method and apparatus for the destruction of volatile organic compounds A system for the destruction of volatile organic compounds while generating power. In a preferred embodiment the system comprises a combustor and a reaction chamber connected to an exit of the combustor. A primary inlet to the combustor supplies a primary fuel to th... | 05/01/2007 |
| 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 |
| 7191588 | Combustor controller A turbine inlet temperature operating section (15) determines the turbine inlet temperature T4 based on the flow rate Gf and temperature Tf of fuel being supplied to a combustor (3) and the flow rate G3 and temperature T3 of air. B... | 03/20/2007 |
| 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 |
| 7168235 | Highly supercharged regenerative gas turbine The present invention comprises a highly supercharged, regenerative gas-turbine system. The gas turbine comprises a compressor, a regenerator, a combustor, and an expander. A pre-compressor pressurizes air going into the compressor section of the gas turbine. A cool... | 01/30/2007 |
| 7162874 | Apparatus and method for gas turbine engine fuel/air premixer exit velocity control A gas turbine engine with a single stage combustor includes an external premixer to provide premixed fuel/compressed air to the combustor as well as compressed air for dilution; and an automatic controller to provide feedback control of the compressed air flow and f... | 01/16/2007 |
| 7143584 | Gas turbine apparatus A gas turbine apparatus is provided which comprises a turbine, a combustor for burning a mixture of air and fuel and providing the turbine with a combustion gas to drive it, a generator connected to the turbine to receive rotational force therefrom to generate elect... | 12/05/2006 |
| 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 |
| 7124591 | Method for operating a gas turbine A gas turbine includes a compressor, a combustor, a turbine, and a flow path diverting an excess portion of the compressed air produced by the compressor around the turbine. The flow path conducts the excess portion into a turbine exhaust gas flow producing a cooled... | 10/24/2006 |
| 7121078 | Methods and apparatus for operating gas turbine engines A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine. The method also comprises coupling an auxiliary engine to the propell... | 10/17/2006 |
| 7117662 | Gas turbine control system A gas turbine control system is disclosed which operates to stabilize the system frequency in a case of transitional variations of the system frequency without making the strength of hot gas path parts of the gas turbine below a maximum stress value of the hot gas p... | 10/10/2006 |
| 7093444 | Simultaneous combustion with premixed and non-premixed fuels and fuel injector for such combustion The present invention relates to a premixed fuel injector for low NOx emission and high heating load combustion. The premixed fuel injector of the present invention comprises a center nozzle and a plurality of outer nozzles arranged around the center nozzle, wherein... | 08/22/2006 |
| 7069728 | Multi-position BOV actuator A multi-position pressurized fluid actuator is mounted for movement in a casing. The actuator includes at least one selectively openable opening at a location corresponding to an intermediate position through which pressurized fluid can be selectively bled from the ... | 07/04/2006 |
| 7069727 | Method for operating a gas turbo group A gas turbo group has a combustion chamber comprising a catalytic burner stage (2), a preburner stage (1) located upstream from the catalytic burner stage, as well as a non-catalytic burner stage (11, 5, 6) located downstream from the catalytic ... | 07/04/2006 |
| 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 |
| 7032842 | Spray element for a spray head In a spray element for a spray head for spraying the molds of pressure casting machines, a control piston for the release of the parting agent supply is disposed beside the spray nozzle and a connecting passage opens in a chamber of the housing in which one end of t... | 04/25/2006 |
| 7007487 | Recuperated gas turbine engine system and method employing catalytic combustion A recuperated gas turbine engine system and associated method employing catalytic combustion, wherein the combustor inlet temperature can be controlled to remain above the minimum required catalyst operating temperature at a wide range of operating conditions from f... | 03/07/2006 |
| 7000376 | Gas turbine control system A control system for a gas turbine, wherein a number of regulators generate respective control signals selectable to regulate fuel supply to a combustion chamber of the gas turbine. The regulators include at least one speed/load regulator, wherein a first and a seco... | 02/21/2006 |
| 6978597 | Flame detecting apparatus for gas turbine A gas turbine apparatus is provided wherein a turbine is driven or rotated by burning a mixture of a fuel and compressed air and supplying a combustion gas generated by the combustion. A flameout determination unit is provided in the apparatus which is adapted to ca... | 12/27/2005 |
| 6968697 | Integral compressor housing of gas turbine engines A turbine engine compressor design utilizing multiple component integration, thereby reducing the number of required engine components. In conventional compressor designs, a multiple component system makes it difficult to predict the structural behaviors due to ther... | 11/29/2005 |
| 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 |
| 6955039 | Gas turbine control apparatus and gas turbine system using the same In a gas turbine control apparatus, a frequency analyzing section frequency-analyzes at least one of pressure oscillation in combustors of a gas turbine and acceleration oscillation of each of the combustors and outputs a first frequency analysis result as the resul... | 10/18/2005 |
