Matches 1 - 50 out of 190 1 2 3 4 >
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7624592 Flexible power and thermal architectures using a common machine  
A power and cooling management system configured to flexibly couple various adaptive modules to an integrated power and cooling unit to suit any aircraft platform is provided. The integrated power...
7555893 Aircraft propulsion system  
To provide an aircraft propulsion system which can secure the optimum thrust and thrust vector for flight conditions, as well as the optimum sectional area for the engine, and which is highly...
7549291 Methods and apparatus for operating gas turbine engines  
A gas turbine engine assembly includes at least one propelling gas turbine engine and an auxiliary engine used for generating power. The propelling gas turbine engine includes a fan assembly and a...
7520123 Mixing-enhancement inserts for pulse detonation chambers  
The present invention provides a pulse detonation insert that induces flow obstructions within the pulse detonation chambers, wherein the flow obstructions are operable to induce turbulence within...
7464533 Apparatus for operating gas turbine engines  
A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine,...
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...
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...
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...
7121078 Methods and apparatus for operating gas turbine engines  
A method facilitates assembling a gas turbine engine assembly. The method comprises providing at least one propelling gas turbine engine that includes a core engine including at least one turbine....
7107757 Aircraft provided with thrust reversers  
Some but not all engines of an aircraft are provided with thrust reversers. A safety device disables, at least from the position corresponding to idling, the action of the throttles corresponding...
7107755 Engine arrangement  
An engine arrangement ( 14 ) comprises a gas turbine engine unit ( 16 ) and first and second support members ( 18, 20 ) extend from a structural component ( 24 ) of the engine casing ( 22 ) to...
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...
6981364 Combine engine for single-stage spacecraft  
A novel combined engine for a single-stage spacecraft is provided that combines a air-breathing engine utilizing oxygen in the atmosphere as oxidizer and rocket engines for obtaining thrust outside...
6966174 Integrated bypass turbojet engines for air craft and other vehicles  
Turbojet engines and aircraft configurations for advantageous use of the turbojet engines; the turbojet engines utilizing ram air turbine units that centrifugally compress air isothermally for use...
6964154 Axisymmetric, throttleable non-gimballed rocket engine  
A rocket engine assembly is provided for a vertically launched rocket vehicle. A rocket engine housing of the assembly includes two or more combustion chambers each including an outlet end defining...
6926232 Variable cycle propulsion system with compressed air tapping for a supersonic airplane  
A variable cycle propulsion system for a supersonic airplane, the system comprising at least one engine having at least one compressor and capable of generating thrust for supersonic flight speeds,...
6868664 Main propulsion engine system integrated with secondary power unit  
A main engine mounted auxiliary power unit comprises an auxiliary power unit integrated with a primary gas turbine engine into a single power plant suited for aircraft applications. The auxiliary...
6834495 Multi-fan system separated core engine type turbofan engine  
This invention provides a multi-fan system separated core engine type turbofan engine in which high pressure air is used as the working fluid for a turbine which drives a fan, thereby reducing the...
6792745 High bypass multi-fan engine  
A turbofan jet engine having a housing and an engine core disposed in the housing. The engine core includes at least a compressor, turbine, and a drive shaft. The drive shaft defines a drive shaft...
6792746 Separated core engine type turbofan engine  
A low-noise separated core engine type turbofan engine is provided in which noise generated by a control propulsion device is reduced by using high pressure air as the working fluid of a turbine...
6705569 Axi-symmetric mixed compression inlet with variable geometry centerbody  
A mixed compression supersonic inlet system is provided which includes an external cowl, and an axisymmetric centerbody which preferably translates fore and aft. The centerbody of the inlet system...
6698693 Solar propulsion assist  
This invention relates generally to method and apparatus for solar-boost assist and solar-sail assist by a mini-optics light concentrator system utilizing a dynamic ensemble of mini-mirrors. In the...
6634596 Aircraft system architecture  
An integrated aircraft system which comprises an aircraft frame, a nacelle cowl mounted to the aircraft frame, a primary gas turbine engine mounted within the nacelle cowl, a secondary power system...
6488237 Propellant cross-feed system and method  
A propellant cross-feed system of the present invention for use with a two-stage rocket. The rocket (or reusable launch vehicle) includes a booster and an orbiter. The booster includes a booster...
6415597 Switchably coupled turbofan engines for high speed aircraft  
A jet engine for supersonic aircraft which enables supersonic flight and high fuel efficiency to be achieved while suppressing noise at take-off. The engine comprises a front engine consisting of a...
6378292 MEMS microthruster array  
A microelectrical mechanical system (MEMS) microthruster array is disclosed. The MEMS microthruster array of the present invention can be used for maintaining inter satellite distance in small...
6227486 Propulsion system for earth to orbit vehicle  
A single-stage earth-to-orbit launch vehicle employs a combination of rocket engines and turbojet engines to propel a device into orbit. The vehicle is driven through a unique set of operating...
5661970 Thrust-generating device  
Thrust-generating device with rocket engines arranged in pairs opposite each other for multiple ignition as well as individual and group activation and with an amount of fuel sufficient for the...
5537815 Power units of the ram-jet engine type  
The power unit of ram-jet type comprises an aerobic combustion chamber supplied by a fuel gas generator and by at least one air intake. The gas generator is essentially constituted by a solid...
5517819 Engine full authority digital engine control automatic mach hold  
An engine controller system maintains a desired mach number for an aircraft. The fan speed of a slave engine is synchronized with the fan speed of a master engine. A previous Mach number value is...
5419117 Turbo jet/RAM jet propulsion system  
An integral turbo jet/ram jet propulsion system has co-axial forward and rear portions and includes a converging supersonic compression chamber and an inlet in the forward portion for directing air...
5343698 Hexagonal cluster nozzle for a rocket engine  
A rocket engine thrust nozzle assembly is disclosed wherein combustion products from a plurality of rocket engines having hexagonally-shaped exhaust areas flow to the inlet of a main nozzle that...
5269134 Variable cycle propulsion unit for aircraft  
A variable cycle propulsion unit comprises at least two turbojet engines of the bypass type in which the low pressure compressor of each engine is in two parts connected by a shaft, and the flow of...
5224340 Turbofan synchrophaser  
An improved synchrophasing system for synchrophasing fan spools and engine core spools of one or more "slave" turbofan engines to a "master" engine is disclosed. A fuel control means is provided...
5191761 Aerospace plane and engine  
An engine for an aerospace plane has an inlet in association with which a core member is provided to render the inlet annular. The inlet leads into a combustion chamber and an outlet. The core...
5150571 Device for exposing or shutting off a turbo-engine on the intake air side of the engine  
A stationary centerbody includes vaulted areas displaced substantially by 180° axially as well as along the circumference with respect to one another on its largest relative diameter. The vaulted...
5111657 Propulsion device comprising a block of propellant provided with a central duct of variable section  
The invention concerns a propulsion device for acceleration of a self-propelled engine, such as a missile or a rocket. The propulsion device comprises a body (1) equipped with a nozzle (2) and a...
5094070 Propelling nozzle for a hypersonic jet plane  
A propelling nozzle for a hypersonic jet plane having movable upper and lower primary and secondary flaps assigned to the gas turbojet engine as well as to the ramjet engine, both engines being...
5074118 Air turbo-ramjet engine  
A jet engine designed to power a supersonic airplane throughout a range of speeds from subsonic to high supersonic includes a housing which bounds an internal passage having in succession a...
5058377 Turboramjet engine  
A turbine ramjet engine is provided which has a ram pressure air duct shrouding the basic turbo-engine in an annular manner. When the ramjet operation is disconnected, this ram pressure air duct,...
5014508 Combination propulsion system for a flying craft  
A combination engine for a flying craft capable of flying at speeds within a wide range from subsonic speeds to hypersonic speeds, is equipped with a rocket engine section that is independent of an...
5012638 Fuel feed method and apparatus for a turboramjet engine  
A fuel feed method and apparatus for a turboramjet engine having a combustion chamber operable as a turbine engine afterburner and as ramjet engine combustion chamber is disclosed which features...
5001644 Throttle split monitor for aircraft with intermixed engines  
A throttle split monitor (11) for monitoring a multiple engine aircraft having an automatic throttle (A/T) control system is disclosed. The throttle split monitor (11) comprises a throttle angle...
4679394 Gas turbine engine power plant  
A nozzle structure for a gas turbine power plant for a V.T.O.L. or S.T.O.L. type aircraft includes a main engine and at least one auxiliary engine; the efflux from the at least one auxiliary engine...
4546353 Asymmetric thrust warning system for dual engine aircraft  
An asymmetric thrust warning system for an aircraft having two gas turbine engines. The compressor discharge pressures of the two engines are compared to determine the engine providing the lower...
4527390 Low loss duct burner  
A jet propulsion engine with a fan bypass duct includes a duct burner with a plurality of flame stabilizers therein each mounted to inner case and outer case members through spherical bearings....
4519563 Pollution reducing aircraft propulsion  
Aircraft engine exhaust is mixed with air and fuel and recombusted. Air is drawn into the secondary combustion chamber from suction surfaces on wings. Exhaust of the secondary combustion chamber is...
4314445 Turbine engine thrust booster  
Trim signals are removed from the fuel control computers of aircraft propulsion engines to increase thrust upon detection of a predetermined difference between engine speeds.
4306412 Jet engine and method of operating the same  
A jet engine having its turbine section and exhaust nozzles particularly arranged to alleviate noise. There is a forward turbine section positioned in a first passageway to receive all or...
4303976 Fuel control for a multi-engine gas turbine installation  
An electronic fuel control for a multi-engine gas turbine engine provides either independent or master-slave operation according to the position of a selector switch. In one position independent...
Matches 1 - 50 out of 190 1 2 3 4 >