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7434303 Nacelle assembly for a gas turbine engine  
A nacelle assembly 40 adapted for mounting on a ducted fan gas turbine engine 20 comprising a generally annular body 46 having an air inlet 42 and an air outlet 44 , the generally annular...
7430852 Turbojet having a large bypass ratio  
A turbojet comprises at least a fan, a compressor, a combustion chamber, a turbine, and a rigid substantially-cylindrical jacket fastened at its upstream end to an intermediate casing and at its...
7424360 Overspeed control system for gas turbine electric powerplant  
A turbine overspeed control system for use with a gas turbine engine of a gas turbine electrical powerplant. The overspeed control system preferably comprises a first and second overspeed control...
7412819 Turbojet architecture with two fans at the front  
A turbojet has a low-pressure compressor and two fans at the front of an intermediate casing which fans are driven by two independent shafts. The compressor is disposed under the rear fan and has a...
7413399 Method and apparatus for distributing fluid into a turbomachine  
An apparatus for distributing a fluid in a gas flow path inside a turbomachine, comprising: a device for introducing the fluid into the gas flow path; and wherein the device is positioned within...
7412831 Integral cooling system for rotary engine  
A rotary combustion engine ( 12 ) with a self-cooling system comprises a heat exchanging interface for discharging excess heat from the rotary combustion engine ( 12 ), and a direct drive fan ( 44...
7409819 Gas turbine engine and method of assembling same  
A method of assembling a gas turbine engine that includes rotatably coupling a first low-pressure turbine rotor to a high-pressure turbine, rotatably coupling a second low pressure turbine rotor to...
7395657 Flade gas turbine engine with fixed geometry inlet  
An aircraft propulsion system includes a gas turbine engine having a fan section, at least one row of FLADE fan blades disposed radially outwardly of and drivingly connected to the fan section, the...
7377109 Apparatus and method for reduction of jet noise from turbofan engines having separate bypass and core flows  
An exhaust flow system for use with a turbofan jet engine that provides separate fan flow and core flow streams that are not mixed. The system includes a fan nozzle and a primary flow nozzle. The...
7363757 Turbine engine with semi-fixed turbine driving a receiver controlled so as to preserve a roughly constant rotation speed  
The invention relates to a turbine engine ( 1 ) with a semi-fixed turbine, particularly for aircraft driving a receiver ( 2 ) controlled so as to preserve a roughly constant rotation speed. The...
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...
7340883 Morphing structure  
An apparatus is provided that includes a body having a first wall and a second wall, at least one appending structure extending from an end of the body and at least one actuator positioned between...
7334393 Aircraft engine in which there is a small clearance separating the fan cowls and the thrust inverter cowls  
Aircraft engine comprising a pod comprising, in sequence from front to back, an air inlet structure ( 6 ), fan cowls ( 7 ), thrust inverter cowls ( 8 ), and a nozzle ( 9 ), additional stiffening...
7334394 Localized arc filament plasma actuators for noise mitigation and mixing enhancement  
A device for controlling fluid flow. The device includes an arc generator coupled to electrodes. The electrodes are placed adjacent a fluid flowpath such that upon being energized by the arc...
7328623 Temperature and/or pressure sensor assembly  
A sensor assembly includes a housing and a tube. The housing has a first leading edge portion which is capable of being located in a compressor/fan inlet flow path and which includes an interior...
7322180 Turbo-jet engine with fan integral with a drive shaft supported by first and second bearings  
A turbo-jet engine including a fixed structure and a fan rotor mounted on a drive shaft supported by a first bearing and a second bearing. The engine further comprises an axial retaining device...
7322181 Turbofan engine with the fan fixed to a drive shaft supported by a first and a second bearing  
The turbojet includes a fixed structure, a fan rotor fixed to a drive shaft supported by a first bearing and a second bearing. The second bearing is mounted on the fixed structure through a bearing...
7314035 Rotary vane engine and thermodynamic cycle  
A heat engine having a rotary vane compressor and a rotary vane turbine operates in a highly efficient thermodynamic cycle which includes a power expansion phase up to ambient pressure and a...
7305817 Sinuous chevron exhaust nozzle  
A gas turbine engine exhaust nozzle includes a row of laterally sinuous chevrons extending from an aft end of an exhaust duct. The chevrons have radially outer and inner surfaces bound by a...
7299621 Three-spool by-pass turbojet with a high by-pass ratio  
The invention relates to aerodynamically matching the rear fan of a turbojet having two fans and a low-pressure compressor at the front of the intermediate casing, said fans being driven by two...
7296414 Aircraft engine mounting assembly  
A mounting assembly ( 10 ) for mounting a gas turbine engine on an aircraft. The assembly ( 10 ) comprising four equispaced hydraulic piston and cylinder thrust links ( 16 ) connecting between the...
7296398 Counter-rotating turbine engine and method of assembling same  
A method for assembling a gas turbine engine that includes providing a first fan assembly configured to rotate in a first rotational direction, rotatably coupling a second fan assembly to the first...
RE39796 Method of eliminating mach waves from supersonic jets  
A method and device for reducing the amount of noise generated by a supersonic jet engine is provided. The method creates an envelope of air around the supersonic jet exhaust. The temperature and...
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....
7237378 Turbomachine with low noise emissions for aircraft  
The invention relates to a turbomachine ( 1 ) for an aircraft comprising a gas generator ( 4 ) designed such that hot gases are ejected from a combustion chamber ( 28 ) towards the upstream side of...
7228683 Methods and apparatus for generating gas turbine engine thrust using a pulse detonator  
Methods and apparatus for generating thrust from a gas turbine engine using a pulse detonation system is provided. The gas turbine engine includes a fan assembly, and a bypass duct channeling air...
7219490 Nested 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...
7216475 Aft FLADE engine  
An aft FLADE gas turbine engine includes a fan section drivenly connected to a low pressure turbine section, a core engine located between the fan section and the low pressure turbine section, a...
7213391 Cooling systems  
Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having a boiling point...
7200999 Arrangement for bleeding the boundary layer from an aircraft engine  
An aircraft engine comprising a nacelle, a first wall and fan outlet guide vanes. The fan outlet guide vanes comprises a plurality of stator vanes extending between a second wall and a third wall....
7188467 Methods and apparatus for assembling a gas turbine engine  
A method for assembling a gas turbine engine includes providing a core engine, and providing a flade system including a flade stream augmentor positioned within a flade duct. The method also...
7185484 Methods and apparatus for assembling a gas turbine engine  
Methods and apparatus for assembling a gas turbine engine are provided. The method includes coupling a first turbine shaft that includes m rows of turbine blades within the gas turbine such that...
7174704 Split shroud exhaust nozzle  
A variable geometry convergent-divergent nozzle for a gas turbine engine includes a centerbody extending rearward along a longitudinal axis of the engine which has a throat section of increased...
7159383 Apparatus, method and system for gas turbine engine noise reduction  
An apparatus for reducing gas turbine engine noise, such as noise generated by an aircraft gas turbine engine, comprises at least one and preferably a plurality of gas injectors for injecting gas...
7140174 Methods and apparatus for assembling a gas turbine engine  
A method for assembling a gas turbine engine includes providing a core engine, an inner fan assembly, and a fladed fan assembly, coupling a plurality of airflow ducts to the engine including an...
7134271 Thrust vectoring aft FLADE engine  
An aft FLADE gas turbine engine including a fan section drivenly connected to a low pressure turbine section followed by an aft FLADE turbine having at least one row of aft FLADE fan blades...
7121758 Joint arrangement  
A joint assembly 80 is provided for limiting an extension of the joint 80 in the direction of a load path derived from an impact comprising. In its simplest form, the joint 80 comprises a...
7107756 Turbofan arrangement  
A bypass turbofan engine comprises a first propulsion system and a second propulsion system. The first propulsion system comprises a first fan rotor, a core engine, a first low pressure turbine and...
7100360 Pulsed combustion engine  
A pulsed combustion device includes a support structure and a combustor carousel supported by the support structure and rotating relative thereto about an axis. The carousel has a number of...
7096674 High thrust gas turbine engine with improved core system  
A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a...
7094033 Methods and apparatus for assembling gas turbine engines  
A method for assembling a fan platform for a gas turbine engine is provided. The method includes determining an area of vulnerability to impact and erosion damage across the platform, forming a...
7086219 Cowl structure for a gas turbine engine  
A cowl structure ( 18 ) for a gas turbine engine ( 10 ) comprises an outer skin ( 26 ) defining a first path for a load applied to the engine ( 10 ). The cowl structure ( 18 ) includes an inner...
7065957 Segmented mixing device for jet engines and aircraft  
Disclosed is a means for reducing jet engine exhaust noise wherein mixing is enhanced between adjacent exhaust flows and between exhaust flow and free-stream flow. Also disclosed is a means for...
7059136 Air turbine powered accessory  
An aircraft accessory system includes an aircraft engine powered direct air turbine driven accessory and an air turbine drivingly directly connected by an air turbine shaft to the accessory. The...
7055306 Combined stage single shaft turbofan engine  
A turbofan engine includes a combined stage rotor mounted for common rotation with a shaft, a compressor stage, and a turbine stage. Each of the plurality of fan blades of the combined stage rotor...
7055329 Method and apparatus for noise attenuation for gas turbine engines using at least one synthetic jet actuator for injecting air  
A method enables a gas turbine engine to be operated. The method comprises channeling exhaust gases from a core engine through an exhaust assembly and past at least one flow boundary surface, and...
7047724 Combustion ignition  
Distributed initiation (e.g., multipoint or continuous) is utilized to obtain constant volume-like combustion performance in a pulse combustion device in the absence of detonation. A number of such...
7032387 Axisymmetric flap on gas turbine exhaust centerbody  
The present invention includes a gas turbine engine exhaust centerbody comprising a forward portion having at least one flap at a downstream end thereof to induce a local low pressure zone in the...
7021042 Geartrain coupling for a turbofan engine  
Molybdenum disulfide (MoS 2 ) is used as a journal coating for a gearing system. A particular application is the planetary gear system of a geared turbofan engine. Particularly advantageous...
7021043 Jet engine using exhaust gas  
A jet engine using exhaust gas to get the propulsive force by rotating a fan within the exhaust gas burned in and emitted from the engine includes a body, a burner installed to the body to inject...