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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...
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7477966 |
Propellant management system and method for multiple booster rockets
Propellant management systems and methods are provided for controlling the delivery of liquid propellants in a space launch vehicle utilizing multiple rockets. The propellant management systems and...
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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...
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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,...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7191588 |
Combustor controller
A turbine inlet temperature operating section ( 15 ) determines the turbine inlet temperature T 4 based on the flow rate Gf and temperature Tf of fuel being supplied to a combustor ( 3 ) and the...
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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...
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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...
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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...
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7076940 |
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...
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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...
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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...
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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...
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6945030 |
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...
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6938404 |
Supercharged open cycle gas turbine engine
The present invention provides a supercharged open cycle gas turbine engine comprising a core engine for generating shaft power output, a supercharger for increasing the pressure of intake air of...
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6920761 |
High efficiency low hydrocarbon emmisson hybrid power plant using operational aspects of both internal combustion and jet engines
The method and apparatus of the present invention discloses a power plant operating at low inlet pressure and temperature using a combination of conventional internal combustion engine techniques...
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6901760 |
Process for operation of a burner with controlled axial central air mass flow
An aerodynamically stabilized premixing burner includes a swirl generator for the production of a rotating combustion air flow, and a device for the introduction of at least one fuel into this...
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6820429 |
Adaptive acceleration schedules for gas turbine engine control systems
Disclosed is an engine surge avoidance system and method which adapts the acceleration schedules (i.e., P 2.5 bleed valve and NDOT) to prevent engine surge events from occurring while minimizing...
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6817186 |
Operation control apparatus and operation control method for single-shaft combined plant
An operation control apparatus and an operation control method for a single-shaft combined plant are provided. A clutch is engaged and disengaged, whereby a gas turbine (power generator) is...
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6793455 |
Method and apparatus for active control of surge in compressors
Methods for avoiding surge in a compressor are provided. A representative method includes detecting precursor information of the compressor and controlling the compressor based on the precursor...
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6513333 |
Surge detection system of gas turbine aeroengine
A surge detection system for detecting a surge occurred at a compressor of a gas turbine aeroengine having a turbine connected to the compressor. In the system, the ratio between the compressor...
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6442928 |
Control system for gas turbine
A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting...
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6438937 |
System and method for modular control of a multi-fuel low emissions turbogenerator
A system and method for modular control of a multi-fuel turbogenerator include separate controllers for controlling fuel supplied to the combustor and power output from the generator. The power...
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6338240 |
Control method for gas turbine load
A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting...
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6314716 |
Serial cooling of a combustor for a gas turbine engine
A combustor for a gas turbine engine uses compressed air to cool a combustor liner and uses at least a portion of the same compressed air for combustion air. A flow diverting mechanism regulates...
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6230103 |
Method of determining concentration of exhaust components in a gas turbine engine
A method of determining the concentration of an exhaust component in a gas turbine engine includes measuring the concentration of the selected component at a single location, and using the measured...
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6216437 |
Method for regulating the power of a turbo set
In a method for regulating the power of a turbo set (10) converting thermal power into electric power, said turbo set (10) comprising, on a common shaft (17), a turbine (11) driven by the thermal...
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6205771 |
Ducted fan gas turbine engine control system
A control system for a ducted fan gas turbine engine (10) comprises a control unit (29) that receives input signals from a pressure transducer (27) located within the engine's fan duct (11)...
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6199367 |
Air modulated carburetor with axially moveable fuel injector tip and swirler assembly responsive to fuel pressure
A gas turbine engine carburetor includes a fuel injector and a cooperating air swirler for injecting fuel and air into a combustor. The fuel injector includes a hollow body joined to a supporting...
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6167690 |
Control system for controlling at least one variable of a process as well as a use of such a control system
In a control system for controlling at least one variable (TIT m ) of a process, the at least one variable (TIT m ) being calculated from a multiplicity of measured process variables (TAT m , p Cm...
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6164057 |
Gas turbine generator having reserve capacity controller
A controller is disclosed that operates a gas turbine such that a desired reserve power capacity is maintained. The inlet guide vane angle of the compressor is applied as an indicator of the...
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6026644 |
Stabilizer for gas turbine combustors and gas turbine combustor equipped with the stabilizer
A gas turbine combustor has a premixing burner for jetting out a premixed gas of fuel and air. A stabilizer forms a circulation of combustion gas generated by combustion of the premixed gas at the...
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5937634 |
Emission control for a gas turbine engine
Present gas turbine engines fail to effectively and efficiently control the emission emitted therefrom. Many existing systems estimate the amount of constituents emitted within the exhaust gas...
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5857321 |
Controller with neural network for estimating gas turbine internal cycle parameters
A gas turbine control system includes a controller that is coupled to actuator systems that govern operation of the gas turbine. The controller includes a processor for generating respective...
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5839272 |
Dual concentric poppet valves for maintaining substantially constant the ratio of two fluid flows over an operating range of valve opening
A dual concentric poppet valve assembly (44) includes an assembled body (45) having an opening (55) therethrough and having a sealing surface (56) surrounding the opening. A first member (46) is...
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5726891 |
Surge detection system using engine signature
A method of, and a system for, detecting an occurrence of a surge in a gas turbine engine. The method includes steps, executed during consecutively occurring time periods, of: obtaining filtered...
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5704205 |
Method of setting a main controlled variable during the operation of a gas-turbine group
In a method of setting a main controlled variable during the operation of a gas-turbine group, the gas-turbine group essentially comprises a compressor (40), at least one combustion chamber (43),...
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5636507 |
Coordinated fuel-air controller for gas turbine without load feedback
A method of minimizing undesirable emissions from and acoustic pressure oscillations in a gas turbine includes the step of coordinating modulation of turbine fuel and air supply signals to maintain...
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5634327 |
Method of operating a gas-turbine group
In a method of operating a gas-turbine group having sequential combustion, action is taken first of all on the inlet temperatures (A, B) at the two turbines (6, 10) in order to provide a...
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5605452 |
Method and apparatus for controlling staged combustion systems
A method and apparatus is disclosed for controlling staged combustion systems of the type used for combusting two reactants wherein at least one reactant is supplied as two flows, the first of...
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5584171 |
Gas turbine control method and apparatus
A gas turbine engine control method and apparatus as disclosed for optimizing fuel/air mixture, especially during decreasing load conditions. In a large capacity gas turbine engine system used for...
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