Matches 1 - 37 out of 37


Match Document Document Title
8056319 Combined cycle missile engine system  
An insensitive combined cycle missile propulsion system includes a solid fuel contained within a first section of the missile, a liquid oxidizer contained within a second section of the missile and...
7328571 Semi-axisymmetric scramjet flowpath with conformal nozzle  
In accordance with a first aspect of the present invention, an aircraft having a scramjet engine is provided. The scramjet engine includes a flowpath which varies in three dimensions. In accordance...
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...
6907724 Combined cycle engines incorporating swirl augmented combustion for reduced volume and weight and improved performance  
A combined-cycle engine having at least one core engine and at least one ramjet engine. The ramjet utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary,...
6725664 Shut-off system for an orifice of a duct, particularly for an orifice of an air inlet passage that allows air into the combustion chamber of a ramjet  
A shut-off system for an orifice of a duct, particularly for an orifice of an air inlet passage that allows air into the combustion chamber of a ramjet, includes a shutter for shutting off the...
6446427 Solid fuel regression rate control method and device  
The present invention relates to a method and device for controlling the solid fuel regression rate of a solid fuel ramjet engine. In a preferred embodiment of the present invention, pressure...
6405526 Solid fuel propulsion system for a ram jet rocket  
A solid fuel propulsion system for a ran jet rocket having a combustion chamber (B) surrounded by a tubular casing (2) and a gas generator (G) disposed upstream from the combustion chamber (B) and...
6293091 Axisymmetrical annular plug propulsion system for integrated rocket/ramjet or rocket/scramjet  
The invention is an airframe which includes a vehicle (12) having a solid propellant rocket engine (14) and a ramjet or scramjet engine (16); a thrust plug (18) extending from an end (20) of the...
5317866 Free-flying tubular vehicle  
A relatively low drag, completely free-flying, tubular vehicle comprises a body that defines a leading edge and a trailing edge and includes an external surface and an internal surface each...
5224344 Variable-cycle storable reactants engine  
A variable-cycle storable fuels engine having three cycles is provided. The engine operates as an air-augmented rocket from launch to approximately Mach 3. From approximately Mach 3 to Mach 8, the...
5152136 Solid fuel ducted rocket with gel-oxidizer augmentation propulsion  
A propulsion system is disclosed comprising a glycidyl azide polymer (GAP) olid fuel generator (SFGG) that produces fuel-rich hot gases which are combusted in a combustion zone of a combustion...
H001007 Solid fuel ramjet combustor  
In a solid fuel ramjet in which a fluid flow boundary layer extends along a urning fuel grain and receives combustible material liberated from the grain, exciting oscillations in air flowing toward...
5067406 Supersonic, low-drag, solid fuel ramjet tubular projectile  
A low-drag supersonic tubular projectile with self-contained thrust augmetion and capable of simultaneous dual internal air flows. One is a centrally located supersonic flow for providing low-drag...
4807435 Air-breathing jet engine  
A rocket engine according to the invention has a body generally extending along an axis and adapted to move through the air in a predetermined axial back-to-front direction. This body is formed...
4760695 Acoustic oscillatory pressure control for ramjet  
The periodic shedding of vortices produced in a highly sheared gas flow, such as that encountered at the grain transition boundary in a solid propellant rocket motor or at the combustor inlet to a...
4722261 Extendable ram cannon  
A ram cannon (1) has an extendable barrel (2) slidably disposed over a starter cannon barrel (7). Such an extendable barrel is fully retractable during transport of the cannon and extendable at the...
4651523 Integral rocket and ramjet engine  
An integral rocket and ramjet engine (16) comprises, in flow series, an intake duct (18) for aerodynamically compressing air, a port cover (30), a combustion chamber (20) and a propelling nozzle...
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...
4628688 Solid fuel ramjet flow control device  
A device for controlling the rate of fuel generation in a solid fuel ramjet ngine having a translating tube within the fuel grain and air inlet for continuously changing the distribution of air...
4483139 Valve construction particularly for ram jet rocket engines and to a ram jet rocket engine construction  
A ram jet rocket includes a precombustion chamber having a solid fuel propellant which burns off so that the gases generated are deficient in oxygen when they pass through a central aperture of a...
4450679 Ram jet engines and rotary gas flow valve therefor  
A device for controlling the flow cross sections of several channels for gas flow tubes which interconnect combustion chamber portions particularly of ram jet engines comprises a polygonal rotary...
4449361 Ram jet engine construction and a valve control for proportioning fuel rich gas of ram jet rocket engines  
A ram jet engine comprises a wall structure defining a precombustion chamber having a solid fuel which when ignited can raise fuel rich gases which flow through a valve housing passage and into a...
4368620 Windmills for ramjet engine  
A solid fueled ramjet engine comprising solid fuel within a combustion chamber in the form of a hollow cylinder, and a windmill at the entrance to the hollow cylinder for promoting better...
4110977 Pyrogen igniter ramjet ignition system  
An ignition system for initiating combustion in a ramjet engine characterd by a replaceable propellant grain type igniter set into the wall of a ram air tube supplying air and fuel to the engine...
4050243 Combination solid fuel ramjet injector/port cover  
A combination injector/port cover for a solid fuel ramjet (SFRJ) having a be-in-hole injector which uses two seals to lock the tube into the air inlet and injector port during the boost phase, and...
3903802 Shell construction sealing washer  
1. A gun launched ram jet projectile having a warhead assembly and an atted shell structure mounted within a cartridge casing, the combination comprising an explosive charge within an inner casing...
3901028 Ramjet with integrated rocket boost motor  
A combination rocket motor ramjet engine having the rocket motor located in the ramjet inlet diffuser. All or part of the rocket portion of the apparatus remaining after rocket booster burnout are...
3855789 EXPLOSIVE COUPLING ASSEMBLY  
Rocket boost-ram jet sustained motor which sequentially employs same combion chamber, the rocket nozzle with a relatively small throat being ejected at rocket burn out to provide a ram jet nozzle...
3807169 INTEGRAL PRECOMBUSTOR/RAMBURNER ASSEMBLY  
An air augmented rocket propulsion system wherein a ramburner assembly is positioned at the outlet end of a hybrid rocket gas generator. The ramburner assembly includes a bifurcated air inlet for...
3595022 THERMODYNAMIC REACTION DRIVE  
A thermodynamic reaction drive or rocket engine which employs liquefiable solid propellant. An alkali metal, which is used as the propellant, is stored in the fuel tank of the rocket engine in the...
3533232 ORGANIC FUSIBLE SOLID FUEL BINDERS AND STABILIZERS  
3482403 CORNER INLET BLOWOUT DOME  
3357187 Ducted rocket motor  
3144828 Spin-stabilized rocket projectile  
2959007 Jet engine ignition system utilizing pyrophoric fuel  
2937494 Series type multiple thermal jet propulsion system  
2926613 Composite rocket-ram jet fuel  
Matches 1 - 37 out of 37