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7546742 |
Gas turbine engine assembly and method of assembling same
A method of reducing gas turbine engine distortion includes coupling a core gas turbine engine to a power turbine, coupling the power turbine to a thrust bearing support assembly through a...
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7513120 |
Electrically coupled supercharger for a gas turbine engine
A gas turbine engine, in particular a turboshaft engine, includes a spool having a turbine and a gas generator compressor mounted thereto, a source of heat positioned between the turbine and the...
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7437877 |
Compressor having low-pressure and high-pressure compressor operating at optimum ratio between pressure ratios thereof and gas turbine engine adopting the same
A compressor having a front fan, which rotates to compress intake air, a single-stage low-pressure compressor which is disposed behind the front fan to compress intake air, and a single-stage...
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7384541 |
Use of a two-phase turbine in a hydrotreatment process
After passing into reaction section R, the hydrocarbon feedstock C mixed with hydrogen H is expanded in device D. The expansion is brought about by a single-phase turbine until a gas volume ratio...
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7353647 |
Methods and apparatus for assembling gas turbine engines
A method facilitates assembling a gas turbine engine including a compressor and a rotor assembly coupled in axial flow communication downstream from the compressor. The method comprises coupling a...
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7246482 |
Gas turbine engine bleed air power assist system and method
A bleed air power assist system is coupled to a gas turbine engine that includes a high pressure turbine, a low pressure turbine, and an electrical generator driven by the high pressure turbine....
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7240478 |
Highly supercharged regenerative gas turbine
The present invention comprises a highly supercharged, regenerative gas-turbine system. The gas turbine comprises a compressor, a regenerator, a combustor, and an expander. A pre-compressor...
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7188475 |
Starting and controlling speed of a two spool gas turbine engine
Two spool gas turbine engines are often used to drive variable speed loads, such as an electric generator, or the fan/propeller of aircraft engines. The gas turbine engine must be designed to...
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7111464 |
Acceleration control in multi spool gas turbine engine
A gas turbine engine system comprises a first compression stage; a second compression stage; a combustor; a controller; a first sensor for sensing the speed of the first compression stage and...
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7021063 |
Reheat heat exchanger power generation systems
A reheat heat exchanger is provided particularly for use in Rankine cycle power generation systems. The reheat heat exchanger includes a high pressure path between a high pressure inlet and a high...
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6986641 |
Engine control system
A power turbine speed control system for a helicopter is disclosed which includes components for generating a power turbine speed signal based upon a demanded rotor speed, a high-order filter for...
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6957539 |
Power generator with low CO2 emissions and associated method
The invention relates to a method for decreasing the level of carbon dioxide present in the fumes discharged by a power generator burning a mixture of a combustive agent and of a fuel containing...
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6775987 |
Low-emission, staged-combustion power generation
There is provided a low-emission, staged-combustion power generation system and associated method for generating power. The power generation system and method combust a carbonaceous fuel with an...
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6735951 |
Turbocharged auxiliary power unit with controlled high speed spool
An APU system includes a gas turbine engine having a low pressure spool, a high pressure spool and an electrical generator. The electrical generator is driven by the high pressure spool which is...
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6430931 |
Gas turbine in-line intercooler
A gas turbine engine including in-line intercooling wherein compressor intercooling is achieved without removing the compressor main flow airstream from the compressor flowpath is described. In an...
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6336316 |
Heat engine
A heat engine is provided that can improve thermal efficiency of a gas turbine . When gas such as air enters a compressor C 101 of a gas turbine apparatus 100 (state 1 ), the gas becomes...
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6202782 |
Vehicle driving method and hybrid vehicle propulsion system
A vehicle driving method and hybrid propulsion system are disclosed. In the vehicle driving method and hybrid propulsion system, a heat engine is intermittently operated to provide a first power...
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6145296 |
Gas turbine engine having counter rotating turbines and a controller for controlling the load driven by one of the turbines
A gas turbine engine has a turbine mounted downstream of a compressor and a compressor turbine mounted downstream of the turbine for driving the compressor. The compressor turbine has a rotor disk...
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6134876 |
Gas turbine engine with exhaust expander and compressor
Gas turbine engines working on an inverted Brayton cycle (IBC) which provides increased power output at a same fuel flow as is currently used in some other known cycles (e.g., air bottoming cycle)...
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6050082 |
Intercooled gas turbine engine with integral air bottoming cycle
A gas turbine engine that includes a 2/3 stage intercooled booster compressor is described. In one embodiment, the engine includes a low pressure turbine and a booster compressor rotatable on a low...
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5996352 |
Thermally decoupled swirler for a gas turbine combustor
A swirler 50 for a gas turbine engine combustor 10 has an outer wall 54, groupings 52 of vanes 42 attached to the outer wall, a centerbody 60 mechanically decoupled from the outer wall via the...
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5775092 |
Variable size gas turbine engine
A simple cycle gas turbine engine which includes a variable flow booster, a small high pressure compressor, and a power turbine is described. The variable flow booster, which includes a low...
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5584174 |
Power turbine flywheel assembly for a dual shaft turbine engine
A power turbine/flywheel assembly for use in a dual shaft turbine engine having a compressor and a gasifier coupled to a first shaft. The assembly includes a second shaft that is uncoupled from the...
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5509265 |
Operational signal stability means for turbine
An accumulator means connected to a passageway in a control system of a gas turbine engine for increasing the volume of a first operational fluid at control pressure Pg supplied to a reset...
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5481865 |
Method for regulating a gas-turbine assembly equipped with two combustion chambers
In a method for regulating a gas-turbine assembly, essentially consisting of a compressor unit (1), of an HP-combustion chamber (4), of an HP-turbine (6), of an LP-combustion chamber (9), of an...
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5473883 |
Compressor turbojet engine whose rotor has a movable upstream stage
Turbojet engine compressor . . . Its rotor (43) includes a movable end portion (45), such as a monoblock vaned disk able to be removed and replaced by a block. High and low pressure shaft lines...
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5465569 |
Method of establishing part-load operation in a gas turbine group
A method of establishing part-load operation is proposed for a turbine group. This gas turbine group consists essentially of a compressor unit (1), of an HP combustion chamber (4) downstream of the...
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5253472 |
Small gas turbine having enhanced fuel economy
A gas turbine engine ducted to have the air pass sequentially through a single stage axial-flow compressor, a single-stage hybrid axial-radial centrifugal compressor, a burner, an inward flow...
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5201798 |
Multifunction integrated power unit and power transfer apparatus therefor
A multifunction integrated power unit (MIPU) (10) for use aboard aircraft provides the functions both of an auxiliary power unit and of an emergency power unit while being smaller, lighter, and...
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5182904 |
Gas turbine engine power unit
A gas turbine engine power unit (10) comprises a gas generator (11) having a valve (21) located at its downstream end. The valve (21) receives the exhaust efflux of the gas generator (11) and...
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5170621 |
Flame failure detection
A dual rotor gas generator of a gas turbine generator is fired with fuel delivery based on a fuel demand signal. Actual air flow is determined by sensing the low pressure rotor speed. A ratio of...
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5160080 |
Gas turbine engine and method of operation for providing increased output shaft horsepower
A method of operating a gas turbine engine includes providing combustion gases to turbine means, and choking flow of the combustion gases for increasing shaft horsepower in an output shaft while...
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5029441 |
Dynamic compensation to n-dot schedules
The speed of the gas generator of a gas turbine engine is measured and summed with the rate of change of the gas generator speed and the sum is input to a schedule which outputs desired engine...
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5016436 |
Interturbine duct
An interturbine duct for interconnecting a gas turbine engine with a power turbine. The interturbine duct is of generally frusto-conical form and double skinned so that an annular cross-section...
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4989406 |
Turbine engine assembly with aft mounted outlet guide vanes
A turbine assembly includes an annular fairing and strut subassembly which provides mechanical strength to the turbine assembly and support for the rotor aft bearing. A readily demountable annular...
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4934140 |
Modular gas turbine engine
A gas turbine fan engine with improved maintainability features is disclosed. Forward and rearward sections of the core of the engine are joined one to the other, and each are independently...
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4916894 |
High bypass turbofan engine having a partially geared fan drive turbine
The present invention provides a high bypass turbofan engine configuration wherein a fan drive turbine is divided into first and second turbine sections mounted for independent rotation within the...
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4901523 |
Rotor for gas turbine engine
A gas turbine engine rotor having a turbine on a tubular shaft of the rotor and a compressor rotating group adapted for attachment to the shaft. The shaft has a radial flange at one end with an...
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4899537 |
Steam-injected free-turbine-type gas turbine
A steam-injected free-turbine type of gas turbine is disclosed. In order to avoid the necessity of redesigning the compressor/core turbine, the shaft of the core turbine is modified to provide...
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4893466 |
Method of operating a gas turbine unit
The invention relates to a method of operating a gas turbine unit comprising a combustion chamber, a high pressure turbine driven by gas from the combustion chamber, and a low pressure turbine...
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4864810 |
Tractor steam piston balancing
A steam piston balance means for a turbine engine comprises, in one form, a pressure chamber and means for supplying steam to the chamber to apply a force to walls of the chamber. The chamber is...
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4827712 |
Turbofan gas turbine engine
A turbofan gas turbine engine comprising in axial flow series a fan, a booster compressor and a core engine is provided with a diffuser. The diffuser is positioned axially between the booster...
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4825645 |
Power turbine and reduction gear assembly
A power turbine and first stage gear reduction assembly for a gas coupled gas turbine engine includes a first stage reduction gear, a tubular pinion shaft carrying a first stage pinion gear, and a...
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4813228 |
Gas turbine
A gas turbine plant in which the drive line of a power turbine extends substantially parallel to the longitudinal axis of the gas generator, the compressor drive turbine and power turbine being...
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4782659 |
Variable area aircraft air intake
One problem associated with aircraft using variable cycle engines is how to provide an air intake which is sufficiently large to be able to supply air to both the first and second compressors of...
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4769996 |
Fuel transfer system for multiple concentric shaft gas turbine engines
A fuel pumping and transfer system for a multiple concentric shaft gas turbine engine which has the capability to handle contaminated or slurry fuels. The fuel is introduced into the innermost...
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4756153 |
Load transfer structure
A load transference structure between a core engine and power turbine comprises a plurality of circumferentially spaced apart radially extending spoke members, each of which is attached at its...
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4744214 |
Engine modularity
The low pressure compressor and fan together with the intermediate case are removable as a unit from the core engine by removal of the nose cone and a stub shaft at the front of the low pressure...
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4651521 |
Convertible turbo-fan, turbo-shaft aircraft propulsion system
A composite turbo-fan/turbo-shaft gas turbine engine system is provided wherein the fan is driven through a variable geometry torque coverter whose input is driven by the turbine power shaft...
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4641495 |
Dual entry radial turbine gas generator
A compact, highly efficient single spool gas turbine gas generator uses a double-entry centrifugal first stage compressor, a single-entry centrifugal second stage compressor, and a radial inflow...
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