About 27 results
https://drivepatents.com/patents/1005222 · 15 Feb 2012
Compensation is provided for a fuel demand signal of a gas turbine controller 110 during transition between operating modes. The compensation adjusts fuel demand to account for combustion efficiency differences between the starting and ending operating mod...
https://drivepatents.com/patents/1007113 · 14 Dec 2011
Methods for improved accuracy in estimating a combustion reference temperature (CRT) are provided. In one embodiment, the invention provides a method of estimating a combustion reference temperature (CRT) in a gas turbine (92), the method comprising: obtai...
https://drivepatents.com/patents/1066631 · 7 Jun 2006
A method from discriminating between spurious and genuine surges in a gas turbine engine is provided which includes the steps of receiving an engine speed signal over a global engine surge investigation region that includes a plurality of operating regions...
https://drivepatents.com/patents/1072848 · 2 Nov 2005
The device has a step-by-step motor (6) activated by a regulation unit (5) to actuate a fuel metering valve (7). The regulation unit evaluates fuel flow to be supplied to a turbine engine, during acceleration or deceleration of the engine, based on an opti...
https://drivepatents.com/patents/1077548 · 25 May 2005
A method for determining a target exhaust temperature (70) for a gas turbine (10) including: determining a target exhaust temperature (70) based on a compressor pressure condition; determining a temperature adjustment to the target exhaust temperature base...
https://drivepatents.com/patents/1078268 · 27 Apr 2005
A control system for a gas turbine, wherein a number of regulators (24) generate respective control signals (P1-P6) selectable (25) to regulate (27) fuel supply to a combustion chamber (5) of the gas turbine. The regulators include at least one speed/load ...
https://drivepatents.com/patents/1080126 · 9 Feb 2005
An aircraft gas turbine engine fuel metering unit incorporating a memory device (18) for storing data relevant to that unit, and an electrical connection arrangement whereby data can be read from and/or written to said memory device by an associated electr...
https://drivepatents.com/patents/1080109 · 9 Feb 2005
The method involves controlling fueling of jet engines to one set value that is common to the engines and depends on an automatic power order and conditions of flying of the aircraft. The set value is converted into another set value related to speed of ro...
https://drivepatents.com/patents/1083545 · 29 Sep 2004
A gas turbine engine system comprises a first compression stage (54); a second compression stage (53); a combustor (55); a controller (102); a first sensor (82) for sensing the speed of the first compression stage (54) and providing a first indication of t...
https://drivepatents.com/patents/1087844 · 21 Apr 2004
An engine controller analyzes the signals which indicate the desired and the actual thrust of the engine and outputs desired fuel flow signal. A fuel controller which is separately housed and powered with respect to the engine controller, inputs fuel flow ...