Matches 1 - 30 out of 30
Match Document Document Title
7051535 Turbine engine differential-pressure torque measurement system  
Applicant's Differential-Pressure Torque Measurement System generates the torque signal from a differential gas pressure measured across the power turbine. The gas pressure differential is measured...
6119446 Method for controlling gas turbine using fuzzy logic  
In a control of a gas turbine having a gas turbine engine, a fuel pump for supplying fuel to the gas turbine engine, a fuel valve, and a motor for driving the fuel pump, the motor or the fuel valve...
6070404 Gaseous fuel compression and control method  
A gaseous fuel compression and control system is disclosed which utilizes a helical flow compressor/turbine integrated with a permanent magnet motor/generator and driven by a torque controlling...
5775090 Torque signal synthesis method and system for a gas turbine engine  
A torque signal synthesis method is provided to accommodate torque measurements for a gas turbine engine. The torque signal is synthesized from gas pressure sensed at an engine station. The...
5775089 Pressure signal synthesis method and system for a gas turbine engine  
A pressure signal synthesis method is provided to accommodate failure of a pressure sensor in a gas turbine engine. The pressure signal is synthesized from the torque produced by the engine, and...
5315819 Power management system for turbine engines  
A power management system for turbine engines includes a plurality of switches, each allowing for engine speed and engine torque to be controlled together. The switches correspond to various modes...
5299417 Apparatus for trimming autopilot commands  
An aircraft is maintained at a constant glide slope and air speed by trimming delta torque commands provided by an autopilot. Delta torque commands that change by more than twenty percent are...
5188511 Helicopter anti-torque device direct pitch control  
The blade angle controlling pitch beam servo (26) of a helicopter tail rotor (22) is responsive to a main rotor torque signal (92) indicative of torque coupled to a helicopter main rotor (10) for...
5020316 Helicopter control with multiple schedule rotor speed decay anticipator  
The speed 54,56 of the free turbine 40 of a helicopter engine 22 is compared 134,138 with the speed 142,140 of the helicopter rotor 10 to indicate 106,108 a specific magnitude of autorotation and...
4998202 Helicopter, high rotor load speed enhancement  
A helicopter engine speed reference (66) is increased (113, 103-105) in response to heavy rotor loading (108). The reference speed is faded up (113, 104) at a rather rapid rate to 107% of rated...
4693077 Closed-loop engine control with feedback torque error compensation  
A closed-loop engine control system is disclosed in which an engine is controlled to provide power to a load as a function of measured feedback torque. A programmable digital controller modifies...
4644744 Control device for controlling an engine of a turbine power system having more than one engine  
A control device for controlling an engine of a turbine power system having more than one engine is disclosed. The control device includes a proportional-integral-differential (PID) controller...
4625510 Stress limiter apparatus for a gas turbine engine  
A stress limiter apparatus for a gas turbine engine (10) is disclosed. A proportional fuel fuel control (11) regulates the fuel flow (Wf) from a hydromechanical unit (36) based upon an error signal...
4522025 Apparatus for controlling load distribution and speed of gas speed of gas turbine systems and particularly of gas turbine engines  
A device for controlling the load distribution and speed of gas turbine systems and particularly gas turbine engines comprising for each engine a fuel control unit having a proportionally acting...
4522026 Power/torque limiter unit for free turbine type engines  
The disclosure teaches an improvement in a free turbine type engine which comprises a power limit unit. The unit includes a first sensor for measuring pressure at the turbine inlet, and a second...
4445420 Power boost mechanism  
A power boost mechanism for converting pilot linear throttle input commands to rotary motion and providing amplification of output torque to an engine fuel control and having an output shaft...
4421989 Power plant with a gas turbine for operation of a generator  
An electrical power plant with gas turbine plant operating with a fluidized bed combustion chamber and a gas turbine-driven electrical generator includes at least one device for rapidly influencing...
4286324 Prime mover fuel efficiency control system  
A system for determining and controlling the power being transmitted through a rotated shaft from a fuel-consuming engine, which includes a husk assembly associated with the shaft and providing...
4124980 Multi-engine control system providing equalized torque for driving a common load  
An electronic control module comprising an operational amplifier used as a comparator senses the difference between the throttle settings of a master and slave engine as detected by a potentiometer...
4062184 Cryogenic fuel evaporation in compressor of gas turbine  
A gas turbine engine having a compressor and a combustion chamber, a supply of liquid hydrogen, and means for injecting the hydrogen in a cryogenic state into the intake of the compressor or into...
4008567 Torque control system  
A torque control system designed to economize on consumed fuel includes a source of motive power, a load and a transmission coupling the motive power to the load. A torque measuring device is...
3851463 GAS TURBINE ENGINE POWER SHIFT TRANSMISSION POWER TRAIN  
A power train having a gas turbine engine with controlled power transfer between the load turbine drive train and the compressor turbine drive train and a power shift transmission is shown. The...
3631677 COMPRESSOR DISCHARGE PRESSURE COMPUTER  
A servomechanism or pressure computer is shown which utilizes the jet nozzle servo principle. An input shaft is positioned for slight rotational movement within a sealed housing with the rotational...
3106062 Torque and power sensing and control system for gas turbine engines  
3083533 Hydraulic system  
3073115 Fuel control for a twin spool gas turbine engine  
2984968 Automatic control of oxidizer and fuel turbopump system for a rocket engine  
2985243 Torque-actuated engine control  
2863282 Water injection system for gas turbine power plant  
2857739 Control system for turbo-jet engine  
Matches 1 - 30 out of 30