Matches 1 - 50 out of 124 1 2 3 >


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US20110289934 Gas Turbine Startup Control  
A method for gas turbine start-up can include placing a static starter in a torque control mode, sending a torque reference to the static starter to establish a startup torque for the gas turbine,...
US20130167550 METHOD FOR MEETING A PURGE FLOW REQUIREMENT FOR A POWER PLANT AND A POWER PLANT HAVING A PURGE CONTROL SYSTEM  
A method of delivering a purge flow through a gas turbomachine includes generating a purge flow, guiding the purge flow through at least one of a combustor assembly and a turbine portion of the...
US20130031912 GAS TURBINE START ARCHITECTURE  
A gas turbine starting architecture is used to start a gas turbine engine having at least a first spool. The architecture includes an electric power distribution bus, a motor, a compressor, a...
US20110094241 GAS TURBINE STARTING PROCESS  
A starting process for a gas turbine (28) that holds the turbine speed of rotation at an ignition speed setting during an ignition window (58), with the ignition speed setting being based on...
US20140305132 METHOD FOR STARTING UP A GAS AND STEAM TURBINE SYSTEM  
A method for starting a gas and steam turbine system which includes a gas turbine system which includes at least one gas turbine, in addition to at least one steam turbine system which includes at...
US20120006035 TURBINE RIM CUTTER FOR AIR TURBINE STARTER  
An air turbine starter includes an air turbine starter rotor rotatably located at a central axis. The rotor includes a plurality of aerodynamic surfaces extending from a platform. At least one...
US20140250909 Series Battery Start Controller  
A series battery start controller for starting an aircraft turbine engine and method thereof is provided, wherein the battery series start controller connects two batteries in series when an...
US20120125008 LOW CALORIFIC VALUE FUEL COMBUSTION SYSTEMS FOR GAS TURBINE ENGINES  
A combustion system for a gas turbine engine includes a housing defining a pressure vessel. A master injector is mounted to the housing for injecting fuel along a central axis defined through the...
US20100326086 METHOD AND SYSTEM FOR ENHANCING START OF A TURBINE ENGINE, AND IGNITION MODULE  
A method, a system, and a product for enhancing the start of a turbine engine by providing a replaceable ignition module including a solid combustible substance, that when ignited, or a solid...
US20140047847 METHOD TO START UP A COMBINED CYCLE THERMAL PLANT FOR ENERGY PRODUCTION FROM AN OFF-STATE TO AN OPERATIONAL STATE  
To start a combined cycle thermal plant for energy-production from an off-state to an operational state, once the minimum warm-up time of the steam turbine (ST) having been set, as well as the...
US20140238039 SYSTEM AND METHOD FOR OPERATING A POWER PLANT  
A system including a fuel-supply system including, an auxiliary-fuel-gas compressor configured to compress a fuel for use by a gas-turbine system, an expander configured to generate power by...
US20140000277 METHOD TO START UP AND MANAGE A COMBINED CYCLE THERMAL PLANT FOR ENERGY PRODUCTION AND RELATIVE PLANT  
A method to start up and manage a combined cycle thermal plant for energy production comprising the execution according to a set sequence of a plurality of functional groups.
US20120144839 METHOD FOR STARTING A COMBINED CYCLE POWER PLANT  
A method for starting a combined cycle power plant (1) includes loading the gas turbine unit (2), providing a starting temperature (Tsrart) for the steam supplied to the steam turbine (5), while...
US20150211419 METHOD AND APPARATUS FOR CONTROLLING GAS TURBINE WHEN GAS TURBINE IS STARTED  
A method for controlling a gas turbine when the gas turbine is started may include measuring the number of rotations of the gas turbine, determining a target acceleration rate based on the number...
US20120159960 TURBOMACHINE DRIVE ARRANGEMENT  
An example arrangement for driving a turbomachine includes an input shaft that is configured to rotate a rotor of the turbomachine through a hydraulic log and gear differential rotatable coupled...
US20130086919 STARTING OF AIRCRAFT ENGINE  
A multi-engine system 10 for use on an aircraft 14 is disclosed. The system 10 may comprise a first aircraft engine 16A and a second aircraft engine 16B configured to drive at least one device 12...
US20130008173 POWER GENERATION ASSEMBLY AND METHOD  
A method of starting a gas turbine cycle including a gas turbine and a heat recovery steam generator, the method including: heating water in a steam cycle with a base load heat source; powering...
US20120031104 TURBINE ENGINE  
A turbine engine is disclosed herein. The turbine engine includes a starter/generator operable to deliver rotational power in a first mode of operation and to generate electrical power in a second...
US20150033754 RELIGHTING A TURBOFAN ENGINE  
The method and apparatus for in-flight relighting of a turbofan engine involve in one aspect selectively controlling an accessory drag load on one or more windmilling rotors to permit control of...
US20150033753 RELIGHTING A TURBOFAN ENGINE  
The method and apparatus for in-flight relighting of a turbofan engine involve in one aspect selectively controlling an accessory drag load on one or more windmilling rotors to permit control of...
US20110061396 Relighting a Turbofan Engine  
The method and apparatus for in-flight relighting of a turbofan engine involve in one aspect selectively controlling an accessory drag load on one or more windmilling rotors to permit control of...
US20130227959 METHOD OF ACCELERATION CONTROL DURING APU STARTING  
A method for controlling fuel flow to a gas turbine engine during starting includes monitoring acceleration of the gas turbine engine to determine actual acceleration value, and calculating a fuel...
US20140150446 BATTERY CURRENT REGULATION  
Embodiments are directed to an engine of an aircraft, a starter generator configured to receive power to cause the engine to start and to provide electrical power to at least one load, and a...
US20110146290 METHOD OF STARTING A TURBOMACHINE  
The present invention has the technical effect of reducing the start-up time associated with starting a powerplant machine. An embodiment of the present invention provides a method of starting a...
US20140165586 TURBINE START METHOD  
A method of starting an engine includes the steps of starting a fuel supply pump, opening a fuel solenoid to allow fuel flow to a combustor to at least partially begin, and beginning to operate a...
US20130047626 GAS TURBINE ENGINE GENERATOR SWITCHABLE DRIVE  
A gas turbine engine includes a first spool, a first gear system connected to and driven by the first spool, a second spool, and a second gear system connected to and driven by the second spool. A...
US20130239580 HIGH ALTITUDE START OF A GAS TURBINE ENGINE USING FUEL PULSING AND STARTER TOGGLING  
A system for starting a gas turbine engine includes an engine controller and a fuel controller. The engine controller varies the engine speed between a minimum start speed and a maximum start...
US20130199201 MAIN ENGINE START BY MEANS OF AN AIRCRAFT AIR CONDITIONING SYSTEM  
An air conditioning system in an aircraft is provided. The system comprises at least one air cycle air-conditioning pack with a compressor comprising a bleed air outlet and with a compressed-air...
US20110146292 METHOD FOR STARTING A TURBOMACHINE  
Embodiments of the present invention employ a closed loop controls philosophy that actively determines the air-to-fuel ratio of turbomachine throughout the start-up process. This closed loop...
US20140150447 LOAD RAMP AND START-UP SYSTEM FOR COMBINED CYCLE POWER PLANT AND METHOD OF OPERATION  
The disclosure includes a load ramp system for a heat recovery steam generator (HRSG) of a combined cycle power plant and a method of increasing the rate of the load ramp process of a gas turbine...
US20130111919 GAS TURBINE ENGINE WITH STRUCTURE FOR DIRECTING COMPRESSED AIR ON A BLADE RING  
The present invention comprises a gas turbine engine and a process for operating a gas turbine engine. A fluid structure receives compressed air from a compressor and extends toward a stationary...
US20140298820 GAS TURBINE ENGINE AND METHOD FOR STARTING SAME  
A starting method for a gas turbine engine includes a primary warming step of warming up the gas turbine engine while a constant primary warm-up rotation speed is maintained by an inverter motor...
US20120042658 Fuel supply system for gas turbine combustor and fuel supply method for gas turbine combustor  
A consumption amount of high-calorific gas such as coke oven gas (COG) during operation of a gas turbine is reduced, halt of the gas turbine due to clogging of a pilot system, a malfunction of a...
US20110179802 SYSTEM AND METHOD FOR GAS TURBINE STARTUP CONTROL  
A system and method for startup control of a gas turbine is disclosed. The system and method includes defining a target startup time for the startup of the gas turbine and determining a remaining...
US20110185744 METHOD AND APPARATUS FOR COMBINED CYCLE POWER PLANT STARTUP  
A combined cycle power plant startup system is provided. The system includes a steam turbine, a HRSG, a condenser, and a bypass system. The steam turbine may include a turbine section. The HRSG...
US20150059353 Gas Turbine Combustion System  
The present invention provides a gas turbine combustion system capable of minimizing unburned content of a gas fuel under all load conditions from partial load to rated load. A gas turbine...
US20120000204 MULTI-SPOOL INTERCOOLED RECUPERATED GAS TURBINE  
A method and apparatus are disclosed for a multi-spool gas turbine power plant which utilizes motor/generator devices on two or more spools for starting the gas turbine and for power extraction...
US20120324905 APU FUEL SYSTEM AND METHOD  
A control disclosed herein for providing fuel to an auxiliary power unit (“APU”) includes a constant speed electrical motor, a first pump driven by the motor; and, a second pump driven by the...
US20100126179 METHOD FOR THE START-UP OF A GAS TURBINE  
A method is described for the start-up of a gas turbine comprising the phases of effecting a preliminary purging cycle of the discharge duct (28) of the turbine (20), establishing a predetermined...
US20120167584 CONTROLLING BLADE TIP CLEARANCES IN A TURBINE ENGINE  
A turbine engine including a controller controlling clearance between tips of moving blades of a high-pressure turbine and an outer casing surrounding the blades, by cooling the outer casing by...
US20110259016 METHOD OF STARTING A GAS TURBINE ENGINE  
A method of starting a gas turbine engine includes maintaining the gas turbine engine at the dwelling speed after light-off until a predetermined magnitude of combustor warm-up is determined then...
US20140238040 COMBINED CYCLE POWER PLANT  
A combined cycle engine is used to provide power to a vehicle. In one form the combined cycle engine includes two engines coupled through a gearbox. The engines can include a gas turbine engine,...
US20130291551 METHOD FOR STARTING A TURBOMACHINE  
A method of starting a turbine engine, including a re-try performed if a main injector has not ignited when a shaft has reached a first predetermined speed value, the re-try including: a stopping...
US20130000317 MECHANISM FOR TURBINE ENGINE START FROM LOW SPOOL  
A gas turbine engine includes a high spool, a low spool mechanically connected to a fan, a gear system, an actuator, and a starter. The gear system is actuable to engage and disengage the low...
US20100162721 APPARATUS FOR STARTING A STEAM TURBINE AGAINST RATED PRESSURE  
An external steam turbine main steam startup control valve bypass loop is provided to facilitate a full pressure combined cycle rapid response/fast start powerplant. The main steam startup bypass...
US20110041511 Gas turbine engine  
A bypass turbofan gas turbine engine is started by means of electric starter motor mounted directly about a downstream end or upstream of the low pressure spool of the engine. This causes air to...
US20120174594 TURBOMACHINE FUEL DELIVERY METHOD AND ASSEMBLY  
An example method of fuel delivery to a turbomachine includes reaching a light-off speed of a turbomachine and delivering fuel to a combustor of the turbomachine at a first rate. The method also...
US20090120098 GAS TURBINE ENGINE COMPRISING A STARTER IN THE AUXILIARY GEAR BOX  
A gas turbine engine incorporating a starter mounted on the gear box The present invention refers to a gas turbine engine, comprising an AGB gear housing (12) mechanically connected with an engine...
US20140020401 METHOD FOR CONDITIONING A POWER SUPPLY FOR STARTING A JET ENGINE  
Method for conditioning a power supply for starting a jet engine having an electrical starting system with an auxiliary power unit in parallel with a DC power supply.
US20140060072 METHOD OF STARTING A GAS TURBINE SYSTEM  
A method of starting a gas turbine system is provided. The method includes approximating a temperature of at least one turbine system component. Also included is selectively determining a flow...

Matches 1 - 50 out of 124 1 2 3 >