Matches 151 - 200 out of 428 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5010730 Gas-fed hybrid propulsion system  
Self-contained hybrid propulsion systems have long been recognized as a class of propulsion systems that combine a liquid propellant and a solid propellant into a single system. The propellants are...
5003773 Bypass conduit for gas turbine engine  
A gas turbine engine (10) is provided with a bypass conduit (56) for venting air (52) leaking past a rotating compressor seal (46). The leakage air (58) is returned to the working fluid flow path...
4930308 Double-flow turboshaft engine with variable confluent nozzle  
This invention relates to a double-flow turboshaft engine with confluent nozzle, i.e. of the type having a central generator emitting via its outlet orifice a flow of hot gas and an annular bypass...
4909346 Jet engine noise suppression system  
A noise suppression system for use with a jet aircraft engine having a plug support cylinder affixed to the engine, a tubular ejector shroud affixed to the engine and encompassing the plug support,...
4899539 Flow mixer and flame stabilizer for a turbofan engine  
A flow mixer and flame stabilizer structure for an afterburner of a turbofan engine is disclosed having a variable mixer to mix a portion of the cold flow with the hot flow gasses and which also...
4892269 Spinner ducted exhaust for pusher turboprop engines  
A pusher turboprop engine is provided with an interior exhaust duct structure which directs the hot turbine gasses through and out of the engine nacelle to an annular duct mounted on the rear...
4835961 Fluid dynamic pump  
A fluid dynamic pump, such as an ejector, has a common wall which separates a primary high energy fluid flow passage and a secondary low-energy fluid flow passage. The common wall includes a...
4819425 Primary-secondary ventilated flow mixer nozzle for high bypass turbo fan jet propulsion system  
A noise suppression high efficiency mixer nozzle for high bypass turbofan jet propulsion engines that minimizes energy losses by the provision of one or more vent openings located along the crests...
4817379 Jet propulsion engine and method  
An air breathing, jet propulsion engine of either ram jet or turbojet type is provided by an open-ended, elongate, tubular casing having a lead section at one open end thereof and means associated...
4817378 Gas turbine engine with augmentor and variable area bypass injector  
A plurality of circumferentially displaced hollow members are positioned between an outer bypass duct and the center body of the core engine. Each of the hollow members is open at the radially...
4813230 Gas turbine nozzles  
A bypass gas turbine has a mixer nozzle at the turbine outlet with a main body, of lobed cross-section to promote mixing of the turbine gas flow and the bypass flow. For a transition at the forward...
4791783 Convertible aircraft engine  
A convertible aircraft engine, capable of turboshaft and/or turbofan modes of operation, is provided in a configuration that combines certain components to permit variation in bypass flow to match...
4791784 Internal bypass gas turbine engines with blade cooling  
A gas turbine having internal cooling and method of operating the same includes the bypassing of a portion of the cool air from the compressor section into the turbine section along the suction...
4696159 Gas turbine outlet arrangement  
An outlet section for a turbofan gas turbine engine (10) includes an internal flow separator (24), and a small convoluted mixer (28) for initiating mixing between the coaxial fan air stream (22)...
4686826 Mixed flow augmentor incorporating a fuel/air tube  
In a turbofan jet engine, having a circumferentially rotatable mixer segment capable of orienting the afterburner ignitors and flameholders into the path of either the exhaust gases or bypass air,...
4683716 Blade tip clearance control  
The invention is particularly concerned with the control of blade tip clearance in high pressure compressors of gas turbine engines. The compressor comprises a rotor assembly having radially...
4638631 Multiflow turbo jet engine secondary flow adjusting device  
A multiflow turbojet engine secondary flow adjusting device which includes annular vanes regularly distributed around the secondary duct. The vanes are movable about two fixed axes disposed between...
4631914 Gas turbine engine of improved thermal efficiency  
A gas turbine engine comprising a compression means, combustion means, a first turbine, and a second turbine is provided with improved thermal efficiency and power output through bypassing a...
4631916 Integral booster/ramjet drive  
A missile drive is provided comprising a single combustion chamber shared by a first, acceleration stage and a second, ramjet cruising stage, said chamber housing the solid propellant to be...
4598544 Medium bypass turbofan engine  
A medium bypass turbofan engine including a fan mounted on a low pressure shaft and positioned at the inlet of the engine; an intermediate pressure single-stage axial compressor carried by the low...
4592201 Turbofan mixed flow exhaust system  
An improved exhaust system including a lobed mixer and an improved exhaust centerbody is provided. The improved exhaust centerbody includes means for cooperating with the lobed mixer to increase...
4581890 Double flow turbine engine equipped with a central mixing nozzle and a thrust reverse  
The present invention relates to a turbine engine which is provided with a thrust reverser incorporating doors and which is of double flow type with mixing of said flows, i.e. comprising a central...
4577462 Exhaust mixing in turbofan aeroengines  
The core engine of a mixed exhaust turbofan aeroengine is provided with a conical afterbody. The normal outlet guide vanes which remove residual swirl from the turbine exhaust gases are dispensed...
4576002 Exhaust mixer for turbofan aeroengine  
The exhaust mixer can be classified as being of the multi-lobed type, with troughs between the lobes. The lobes and troughs comprise confronting pairs of flow surfaces which are twisted between...
4571936 Length adjustable strut link with low aerodynamic drag  
A low aerodynamic drag structural link suitable for use within the housing of a turbofan jet engine; the link includes length adjustment capability, pivotal end mounting provision, maintained...
4567960 Fixed geometry controlled entrainment ventilated convergent nozzle and method  
A combination convergent jet engine aircraft nozzle (86, 142, 146) and a ventilation tube (88, 136, 144) are fixed in place and have no moving parts. Ambient air is entrained through duct inlets...
4548034 Bypass gas turbine aeroengines and exhaust mixers therefor  
A bypass gas turbine aeroengine has an exhaust mixer of the lobed type. The trailing edges of the confronting sides of each lobe are cut back to form notches or scallops in the sides of the lobe....
4546606 Pressure drop regulating device  
The control device comprises at least one control ring to which one end of n elbow lever is articulated. The vane pivot of alternating vanes is fixed at the intersection of the arms of the elbow...
4543784 Exhaust flow mixers and nozzles  
An exhaust mixer of the multi-lobed type for a mixed stream turbofan. In order to promote cortical mixing between the turbine exhaust stream and the fan air stream, the flow surfaces defining the...
4527388 Jet propulsion apparatus and methods  
A turbofan engine having a variable geometry exhaust nozzle.
4519208 Propulsion engine, particularly for supersonic aircraft  
The invention relates to a propulsion engine, particularly for supersonic aircraft. An internal propulsion system comprises an envelope displaying a tapered center portion, around which is...
4501393 Internally ventilated noise suppressor with large plug nozzle  
A jet engine noise suppressor particularly adapted for supersonic aircraft. The nozzle (10) has an internal wall surface (70) around a generally centrally positioned body (50) and an annular area...
4490973 Flameholder with integrated air mixer  
A flameholder in an afterburner incorporates an improved mixer which includes a small duct for capturing a small percent of hot gas stream flow and routing the same outwardly along the gutter of...
4488399 Propfan aircraft propulsion engine  
In a propfan engine, the need for an annular or chin-type intake when the propfan is mounted in front of the engine is avoided by mounting the propfan downstream of the engine. The engine exhaust...
4487017 Exhaust mixer for turbofan aeroengine  
An exhaust mixer for a turbofan aeroengine can be classified as being of the multi-lobed type, with troughs between the lobes. Good mixing efficiency together with good aerodynamics, short axial...
4474259 Internally ventilated noise suppressor for jet engine  
A noise suppressor (24, 76) for a jet engine nozzle (12, 64) is constructed so that the noise suppressor internally ventilates the nozzle jet efflux with ambient air by tubes (26, 78) having...
4461146 Mixed flow swirl augmentor for turbofan engine  
An augmentor in a turbofan jet engine utilizes a crossover chute assembly direct portions of the bypass fan stream inwardly and portions of the hot core stream outwardly into alternating radial...
4450361 Coupling of MHD generator to gas turbine  
An improved power plant incorporating a gas turbine and a magnetohydrodynamic (MHD) generating means is provided wherein a plurality of coolant conducting fins are disposed in the diffuser region...
4448019 Turbine bypass turbojet with mid-turbine reingestion and method of operating the same  
A supersonic two spool turbojet engine capable not only of developing sufficient power to accelerate up to supersonic cruise and maintain efficient operation at supersonic cruise, but also arranged...
4445338 Swirler assembly for a vorbix augmentor  
An improved swirler assembly prevents flow separation in the diffuser secn. An annular swirling layer of air surrounds a linear jet with mixing occurring between these air flows prior to the...
4441313 Mounting devices for multiple flow turbojet engines  
A mounting device for mounting the exhaust casing of a turbojet engine on a rigid support structure connected with an aircraft, there being at least two flows, i.e., a primary flow in the exhaust...
4435958 Turbine bypass turbofan with mid-turbine reingestion and method of operating the same  
A supersonic two spool turbofan engine capable not only of developing sufficient power to accelerate up to supersonic cruise and maintain efficient operation at supersonic cruise, but also arranged...
4401269 Lobe mixer for gas turbine engine  
The lobe mixer of a gas turbine engine is modified by judiciously extending chutes axially and radially inwardly toward the engine centerline permitting the use of a smaller cooperating centerbody...
4376375 Multiple flow turbojet with adjustable bypass ratio  
A multiple-flow turbojet with adjustable bypass ratio comprising a low pressure spool and a high pressure spool casing. Aerodynamic surfaces mechanically integral with the high pressure spool are...
4372110 Noise suppressor for turbo fan jet engines  
A noise suppressor for installation on the discharge or aft end of a turbo fan engine. Within the suppressor are fixed annular airfoils which are positioned to reduce the relative velocity between...
4362015 Double jet gas turbine engine equipped with a thrust reverser  
The present invention relates to a gas turbine engine which is provided with a thrust reverser with unfoldable doors and which is of the double jet type, i.e. comprising a central generator...
4357796 Small gas turbofan engine with regenerating diffuser  
A mixed flow, high bypass, gas turbofan engine that is small and compact, and that develops a thrust in the range of approximately 200-300 pounds. The engine has an axial length of approximately 18...
4344282 Compressor bleed system  
A fan engine having a core engine and a fan duct has bleed ports positioned circumferentially around the compressor housing of the core engine to bleed flow into the fan duct. A strap covers the...
4335573 Gas turbine engine mixer  
An afterburning turbofan engine includes amixer for mixing the engine generated hot gas and fan streams prior to discharge through the engine nozzle. The mixer includes a fixed upstream portion and...
4326686 Fan jet engine bypass air delivery system for blown wing aircraft lift augmentation device  
Comparatively cool fan bypass air in the annular space surrounding the air compressor of a fan jet engine is diverted near the front of the engine into a duct leading to right and left hand...
Matches 151 - 200 out of 428 < 1 2 3 4 5 6 7 8 9 >