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Class 60/778 - Having particular starting


Subclass of Class 60 - Power plants
Definition: Method including a specific step of initializing the power
No. of patents: 174
Last issue date: 04/10/2012


1          
NumberTitleIssue Date
8151572Method of starting and stopping gas turbine and start-and-stop control device
An object of the present invention is to provide a method of starting and stopping a gas turbine and a start-and-stop control device, which are capable of solving a problem of a failure in normally igniting a fuel gas due to a purge gas (nitrogen gas) remaining in a...
04/10/2012
7878004Method and device for optimizing a light-up procedure of a gas turbine engine
An aspect of the invention is directed towards a method and device for optimizing a light-up procedure of a gas turbine engine. An aspect of the method comprises repeating an engine start attempt with amended light-up parameter values or range of light-up parameter ...
02/01/2011
7861533Relighting 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 the windmill speed to an optimum value for relight conditions. ...
01/04/2011
7861534Method of starting turbine engine from low engine speed
A method of starting a turbine engine at a first engine speed value which is lower than a second engine speed value designed for a normal engine starting operation, comprises varying a fuel flow into a combustor of the engine to start the engine in repeatedly altern...
01/04/2011
7841184Start flow measurement
A method and apparatus for measuring a start fuel flow to a pilot nozzle of a fuel system of a gas turbine engine using pressure differential between fuel passages leading to fuel nozzles. ...
11/30/2010
7677046Method for starting a pressure storage plant
An air storage plant comprises a storage volume for a pressurized storage fluid, a storage fluid expansion machine and a generator which is arranged with the expansion machine on a common power train. During the start up of the air storage plant, the generator is op...
03/16/2010
7621133Methods and apparatus for starting up combined cycle power systems
Methods and apparatus for fast starting and loading a combined cycle power system are described. In one example embodiment, the method includes loading the gas turbine at up to it's maximum rate, and loading the steam turbine at its maximum rate with excess steam by...
11/24/2009
7614239Turbine installation having a connectable auxiliary group
A turbine installation includes a main group and an auxiliary group, wherein the main group has at least one first turbine and a generator connected for drive purposes to the first turbine. The auxiliary group includes at least one second turbine and is connectable ...
11/10/2009
7546741Ignition detecting system and method for gas turbine
A gas turbine which can detect ignition in a combustor regardless of startup conditions of the gas turbine, such as the hot startup or the cold startup. An ignition detecting method for the gas turbine comprises the steps of calculating a difference between the exha...
06/16/2009
7513119Systems and methods for starting aircraft engines
Methods and systems for starting aircraft turbofan engines are disclosed. A system in accordance with one embodiment includes an electrically-powered starter motor coupled to a turbofan engine to provide power to the turbofan engine during an engine start procedure....
04/07/2009
7509812Dual ignition system for a gas turbine engine
A dual channel ignition circuit (Channel A and a Channel B). In a start sequence in which a successful ignition event occurs, an exciter controller first energizes only a primary ignition channel (Channel A). Once the exciter controller recognizes a success light-of...
03/31/2009
7481061Fuel control for starting a gas turbine engine
A method of controlling fuel flow to a combustor (18) of a gas turbine engine (10) during startup of the engine includes determining a relationship between Cv and valve position for a flow control valve (e.g., 24) in a fuel supply (
01/27/2009
7418821Aircraft gas turbine engines
An aircraft gas turbine engine including a first hydraulic pump connected to a starter motor and a second hydraulic pump connected to the high-pressure compressor. The engine being arranged such that during starting the starter motor drives the first pump, to pump h...
09/02/2008
7383167Methods and systems for modeling power plants
A modular method of modeling a power plant includes selecting a major component module model from a library of component module models for each major component of the power plant, with each major component module representing a power plant major component of a uniqu...
06/03/2008
7370836Missile defense system and methods for evading heat seeking missiles
A method for aiding a helicopter pilot to avoid a heat seeking missile includes the step of detecting a threat from a missile. The method also includes the step of reducing heat emanating from the helicopter's engine and rapidly reducing altitude. Then, when the thr...
05/13/2008
7369932System 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
7367177Combined cycle power plant with auxiliary air-cooled condenser
A combined cycle power plant (20) including a main air-cooled condenser (22) condensing steam at a first pressure and an auxiliary air-cooled condenser (24) condensing steam at a second pressure higher than the first pressure. Designing an air-c...
05/06/2008
7367192Combined cycle plant
In a combined cycle plant that combines a conventional thermal power plant and a gas turbine plant, there is provided a dump system 1 that connects a main steam pipe 60 with the condenser 25 and dumps the steam generated by the boiler 10 ...
05/06/2008
7277801Method for testing catalytic converter durability
The present application relates in general to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor vehicles over extended driving conditions. ...
10/02/2007
7246024Sensor malfunction detection system for gas-turbine engine
The sensor malfunction detection system for a gas-turbine engine is configured to determine or check once every first predetermined time period whether the outputted value from the sensor is within a permissible range and determines that the sensor is faulty when th...
07/17/2007
7245040System and method for controlling the frequency output of dual-spool turbogenerators under varying load
Methods for maintaining a constant electrical output frequency in a turbogenerator with increased electrical loads are provided. The methods comprise biasing adjustable guide vanes of a compressor and/or a compressor bleed valve in response to the increased electric...
07/17/2007
7242195Integral spark detector in fitting which supports igniter in gas turbine engine
A system for detecting spark in an igniter for a gas turbine engine. An igniter generates a plasma, or spark, somewhat similar to an automotive spark plug. In the invention, an inductive pick-up is positioned adjacent the igniter, to detect current pulses in the ign...
07/10/2007
7242105Electric engine start with two motors and single motor drive
An electrical starter-generator system includes a first starter-generator and a second starter-generator. A single drive controls both the first starter-generator and the second starter-generator such that their electrical current and power inputs are minimized and ...
07/10/2007
7219490Nested core gas turbine engine
A gas turbine engine comprising a combustion chamber section, a turbine section, and a compressor section. The turbine section surrounds the combustion chamber and the compressor section surrounds the turbine section. ...
05/22/2007
7216489System and method for lightoff detection in turbine engines
A system and method is provided for lightoff detection in a turbine engine that provides improved accuracy and consistency. The system and method use engine temperature and engine rotation speed sensor data to determine a first time interval during which the lightof...
05/15/2007
7204090Modulated current gas turbine engine starting system
A method and an apparatus for starting a gas turbine engine under various conditions are used to distribute a varying total amount of electric power to at least one of a starter, a fuel heater and an oil heater while providing fuel. ...
04/17/2007
7200538Methods and apparatus for modeling gas turbine engines
A method enables modeling of a gas turbine engine that includes a pulse detonation system. The method includes providing a pulse detonation modeling system, predicting characteristics of the engine using the pulse detonation modeling system, and predicting character...
04/03/2007
7197878Pump control system
A pump control system (20) for a pump (21) in a gas turbine engine (10) is described. The pump control system (20) comprises demand means (22) for providing a demand signal (23) relating to a required rate of fluid flow and/...
04/03/2007
7191983Methods and systems for controlling flammability control systems in aircraft and other vehicles
Methods and systems for controlling fuel tank flammability control systems are disclosed herein. In one embodiment, a system for use with an aircraft or other vehicle includes a flammability control system and a controller operably coupled to the flammability contro...
03/20/2007
7191084Method and apparatus for gas turbine engine ignition systems
A method for testing an igniter coupled within a gas turbine engine, wherein the gas turbine engine includes a combustor, a pressure transducer coupled to the combustor, and a spark detector. The method includes operating the gas turbine engine, monitoring the opera...
03/13/2007
7185496Synchronizing stationary clutch of compression braking with a two spool gas turbine engine
A synchronizing stationary clutch system for compression braking in a two spool gas turbine engine is provided by the present invention. The synchronizing stationary clutch system allows the two shafts of a two spool gas turbine engine to be reliably coupled at any ...
03/06/2007
7185538Methods and systems for sensing air vehicle airspeed
A system for determining airspeed of an air vehicle is described which includes and airflow sensor and a processor. The airflow sensor is located within an airflow path extending substantially through the air vehicle, and the processor is configured to receive a sig...
03/06/2007
7181916Method for operating a reduced center burner in multi-burner combustor
A method for combustion in a combustor in a gas turbine including: fueling the center fuel nozzle with a fuel-rich mixture of gaseous fuel and air and fueling the outer fuel nozzles with a fuel-lean mixture of fuel and air; igniting the fuel-rich mixture injected by...
02/27/2007
7150431Electrical 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
7143584Gas 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
7134287Turbine combustor endcover assembly
The endcover assembly for a combustor includes an endcover having an aperture, an insert disposed in the stepped bore opening through an internal face of the endcover, a fuel cartridge extending through the insert and aperture and a seal cover on the external face o...
11/14/2006
7117683Main engine electric start system
A main engine electric start system for gas turbine propelled aircraft that employs a low-power AC electrical power system to serve as an independent grid to control the functions of induction-type dynamoelectric machines coupled to the main propulsion engines and A...
10/10/2006
7117675Cooling of liquid fuel components to eliminate coking
A system for cooling at least one gas turbine liquid fuel component located in a high temperature environment to eliminate coking in the component is disclosed. The system includes a sleeve surrounding the liquid fuel component, a device for providing a current of c...
10/10/2006
7107774Method and apparatus for combined cycle power plant operation
Methods and apparatus are disclosed for starting up a combined cycle plant using a startup duct to connect an auxiliary engine to the inlet of a plurality of HRSGs or other heat recovery systems. Each HRSG is fed by a combustion turbine. Dampers are supplied to isol...
09/19/2006
7110865Method for power adaptation in an electricity network
According to the invention, power matching in an electricity grid (N) is carried out by regulation of a storage power station (S) which is operated in the grid. In the event of changes in the power available or in the power consumption in the grid, the power consump...
09/19/2006
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