ELECTRIC MACHINE POWER ASSIST OF TURBINE ENGINE DURING IDLE OPERATIONAn aircraft (100) that includes a hybrid-electric propulsion system (150) is provided. In one aspect, the hybrid-electric propulsion system (150) includes at least one propulsor (160) that includes a …DRIVE·Mar 4·1 min readFollowF02C9/28GEN ELECTRIC [US]
TEMPERATURE BASED GAS TURBINE CONTROL AND METHODA method (100) for operating a gas turbine (10) at a desired gas turbine (10) production value. The method (100) includes setting a desired gas turbine (10) production value based on a schedule (250) …DRIVE·Dec 3·1 min readFollowF02C9/28GE VERNOVA TECH GMBH [CH]
COMBUSTION ASSEMBLY FOR A GAS TURBINE ENGINE WITH AN OPTICAL DETECTION SYSTEMA combustion assembly (68) for a gas turbine engine (20) includes a combustor (40), a monochromator (128), and a photodetector assembly (122). The combustor (40) forms a combustion chamber (98). The m…DRIVE·Sep 17·1 min readFollowF02C9/28RTX CORP [US]
HYDROGEN LEAK DETECTION SYSTEM FOR AN AIRCRAFT PROPULSION SYSTEMA hydrogen supply assembly for an aircraft propulsion system includes a storage housing, a hydrogen supply component, and a leak detection system. The storage housing surrounds and forms a storage ple…DRIVE·Mar 27·2 min readFollowF02C9/28Pratt & Whitney Canada Corp.
FIBER OPTIC EXIT AREA SENSING FOR GAS TURBINE ENGINE NOZZLESA gas turbine engine (90) has a fan case exit (94) and an inner core housing exit (97), at least one of which is provided with a fiber optic sensing unit (85, 185). that includes a fiber optic sensing…DRIVE·Aug 21·1 min readFollowF02C9/28RTX CORP [US]
CONTROLLING SOOTA gas turbine engine (105) comprising a variable geometry combustor (206, 206', 206") having fuel injectors (302), a rich-burn zone (1101), a quick-quench zone (1102), and a lean-burn zone (1104), and…DRIVE·Jul 3·1 min readFollowF02C9/28ROLLS ROYCE PLC [GB]
HYDROGEN FUEL SYSTEM FOR A VEHICLEA system includes a hydrogen sensor configured to generate data indicative of a level of hydrogen present within the compartment and a computing system. The computing system configured to determine at…DRIVE·Apr 4·2 min readFollowF02C9/28General Electric Company
SYSTEM AND METHOD FOR DETECTING AND ACCOMMODATING A LOSS OF TORQUE ON A GAS TURBINE ENGINEMethods and systems for operating a gas turbine engine are described. The method comprises obtaining, at a control system associated with the gas turbine engine, a measured engine core speed and an ac…DRIVE·Jun 17·1 min readFollowF02C9/28PRATT & WHITNEY CANADA CORP.
Method and arrangement for controlling fuel supply for a gas turbineIt is described a method of controlling a supply of a fuel (105) to a combustor (101) of a gas turbine comprising a compressor upstream of the combustor, the method comprising: supplying the fuel (105…DRIVE·Jun 4·2 min readFollowF02C9/28SIEMENS AG [DE]
Gas turbine fuel supply method and arrangementIt is described a method of controlling a supply of a fuel to a combustor of a gas turbine comprising a compressor upstream of the combustor, the method comprising: supplying the fuel (105) to the com…DRIVE·Jun 4·1 min readFollowF02C9/28SIEMENS AG [DE]
System and method for reducing modal coupling of combustion dynamicsA system for reducing modal coupling of combustion dynamics includes a plurality of combustors (42), and at least one fuel injector (66) in each of the plurality of combustors (42). The system also in…DRIVE·May 21·2 min readFollowF02C9/28GEN ELECTRIC [US]
FADEC for aeroengineThe system (10) has two electronic control units (32, 34) for redundant controlling of an engine (12) of an aircraft. A selection unit (38) selects one of the electronic control units for controlling …DRIVE·May 15·1 min readFollowF02C9/28THALES SA [FR]
Sensor systemConcepts and technologies are disclosed herein for a sensor system for detecting, characterizing, monitoring, and analyzing data. According to some embodiments disclosed herein, a monitoring system is…DRIVE·Mar 27·1 min readFollowF02C9/28BOEING CO [US]
Method for controlling a gas turbineThe method involves measuring measurement signal values at first and second time points, where the first time point lies before the second time point. Attenuated signal values are generated from the m…DRIVE·Aug 15·1 min readFollowF02C9/28SIEMENS AG [DE]
Method for controlling a gas turbine and gas turbine for implementing the methodThe method involves forming derivation of hot gas temperature at different areas of a gas turbine (10) over pressure measurements by pressure sensors (P1-P3). The pressure measurements are executed in…DRIVE·May 2·1 min readFollowF02C9/28ALSTOM TECHNOLOGY LTD [CH]
Combustion device with pulsed fuel splitIt is described a combustion device control unit and a combustion device, e.g. a gas turbine, which determine on the basis of at least one operating parameter whether the combustion device is in a pre…DRIVE·Apr 18·1 min readFollowF02C9/28SIEMENS AG [DE]
Method for compensating for combustion efficiency in fuel control systemCompensation 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 d…DRIVE·Feb 15·1 min readFollowF02C9/28GEN ELECTRIC [US]
Combustion reference temperature estimationMethods 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 (…DRIVE·Dec 14·1 min readFollowF02C9/28GEN ELECTRIC [US]
Method of engine surge discriminationA 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 investigati…DRIVE·Jun 7·1 min readFollowF02C9/28GOODRICH PUMP & ENGINE CONTROL [US]
Method and device for fuel flow regulation of a turbomachineThe 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 acce…DRIVE·Nov 2·1 min readFollowF02C9/28EUROCOPTER FRANCE [FR]
Method for controlling fuel splits to a gas turbine combustorA 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 tempe…DRIVE·May 25·1 min readFollowF02C9/28GEN ELECTRIC [US]
Gas turbine control systemA 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 …DRIVE·Apr 27·1 min readFollowF02C9/28ANSALDO ENERGIA SPA [IT]
Fuel control for gas turbine enginesAn 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/…DRIVE·Feb 9·1 min readFollowF02C9/28GOODRICH CONTROL SYS LTD [GB]
Method and apparatus for supplying fuel to jet engines of a plane in automatic flightThe 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…DRIVE·Feb 9·1 min readFollowF02C9/28AIRBUS FRANCE [FR]
Acceleration control in multispool gas turbine engineA 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 comp…DRIVE·Sep 29·1 min readFollowF02C9/28ROLLS ROYCE PLC [GB]
Gas turbine engine control systemAn 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 …DRIVE·Apr 21·1 min readFollowF02C9/28ROLLS ROYCE PLC [GB]
Method/system for mapping a combustor in a gas turbine engineA mapping device (13) maps each burner mode at various bleed settings to generate control schedules (80) for a combustion controller (11) that ensure combustion dynamic (acoustic) pressures, and emiss…DRIVE·Feb 4·2 min readFollowF02C9/28GEN ELECTRIC [US]
Fuel control system for gas turbine enginesFuel control systems for use with a gas turbine engines which accounts for real-time thermodynamic engine effects when attempting to match or track the NDOT Actual rate to the NDOT Demand rate. The fu…DRIVE·May 21·1 min readFollowF02C9/28GOODRICH PUMP & ENGINE CONTROL [US]
Method of and device for controlling fuel for gas turbineA gas turbine fuel control method and device controls a lift amount of a pressure control valve. Values such as a pressure for supplying fuel gas to a gas turbine, a pressure in a combustor casing of …DRIVE·May 14·1 min readFollowF02C9/28MITSUBISHI HEAVY IND LTD [JP]
System and method for monitoring engine performance in a gas turbine engineA method and system for monitoring engine performance in a gas turbine engine uses a plurality of sensors (100) to sense data related to the operation and performance of the gas turbine engine. Select…DRIVE·Nov 20·1 min readFollowF02C9/28GEN ELECTRIC [US]
Two level pressurisation valve driven by a fuel metering deviceFuel injection system in a turbomachine, comprising a high-pressure pump (10) for pressurizing fuel from a fuel tank (12) to a high pressure P1, a plurality of fuel injectors (16) arranged in a combus…DRIVE·Aug 14·1 min readFollowF02C9/28SNECMA MOTEURS [FR]
Methods and apparatus for over-speed protection of a gas turbineA fuel system interface (36) for a gas turbine engine (10) prevents a rotor from over-speeding and receives either an electrically-originated or a mechanically-originated over-speed signal (72, 74, 76…DRIVE·Apr 17·1 min readFollowF02C9/28GEN ELECTRIC [US]
Method and apparatus for trimming an engine control systemA control system (10) trims a gas turbine engine (12) in real-time to provide a desired amount of thrust (56). The control system includes a controller (26) coupled to the engine for receiving inputs …DRIVE·Feb 6·1 min readFollowF02C9/28GEN ELECTRIC [US]
