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6895743 |
Liquid propellant rocket motor
The present invention provides a transpiration cooled rocket motor which operates at low combustion pressures, inherently provides stabilized combustion, and operates over a desired range of...
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6804947 |
Device for cooling the common nozzle of a turbojet pod
The invention relates to a dual flow turbojet comprising an engine of axis X housed completely inside a tubular pod whose inside wall co-operates with the case of said engine to define an annular...
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6606851 |
Transpiration cooling of rocket engines
A rocket engine having a combustion chamber with a chamber inner wall, a throat with a throat inner wall, and a nozzle with a nozzle inner wall is provided. The chamber inner wall is a vacuum...
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6299077 |
Actuation system for convergent/divergent nozzle
The horsepower requirements for the actuation system for a convergent/divergent exhaust nozzle for a gas turbine engine is reduced by the judicious selection of the crank arms and their location on...
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6182440 |
Infrared radiation coanda suppressor
An infrared radiation Coanda suppressor of an exhaust system encloses a Coanda surface for guiding exhaust gases into the atmosphere. The infrared radiation suppressor further uses cooling films...
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6054521 |
Erosion resistant-low signature liner for solid propellant rocket motors
The present invention concerns an erosion resistant, low signature liner for solid propellant rocket motors and rocket motors having such a low signature liner. The liner combustion products in the...
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5647202 |
Cooled wall part
In a cooled wall part having a plurality of separate convectively cooled longitudinally cooling ducts (2) running near the inner wall (1) and parallel thereto, adjacent longitudinal cooling ducts...
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5452866 |
Transpiration cooling for a vehicle with low radius leading edge
A transpiration cooling system for avoiding overheating of an airfoil is provided. The airfoil is provided with a plurality of apertures and a source of pressurized fluid for providing a flow of...
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5209059 |
Active cooling apparatus for afterburners
The present invention comprises at least one active cooling apparatus incorporated into the nozzle liner of sidewall of an afterburner. The liner has a plurality of cooling air holes located under...
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5172548 |
Device for tapping off hot gases from a combustion chamber and injector head equipped with such a device
A device for tapping off hot gases in a combustion chamber into which arrive a plurality of injectors has a tap-off means intended for conveying gases tapped off from the combustion chamber to an...
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5060472 |
Insulated cooling liner
This disclosure is for a liner for the exit nozzle of a gas turbine engine. The liner is double walled liner with insulation material between the walls, and with a plurality of tubes extending...
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4936091 |
Two stage rocket combustor
A method for operating a rocket engine by injecting fuel and oxidizer into an elongated combustion chamber in two flows, a core flow where the fuel and oxidizer are intimately mixed and immediately...
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4643356 |
Cooling liner for convergent-divergent exhaust nozzle
A gas turbine exhaust nozzle capable of long term, reliable operation is disclosed. Nozzle cooling concepts specifically directed to convergent-divergent exhaust nozzles are developed. The exhaust...
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4625509 |
Combustion engine
A combustion engine has a plurality of equidistantly spaced jets disposed about a drive shaft. Fuel flows through the center of a two-piece drive shaft and combines with air in jets for combustion...
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4369920 |
Arrangement to cool the thrust nozzle for a rocket engine
A rocket engine includes a housing which defines a combustion chamber and a thrust nozzle connected to the combustion chamber and having an opposite end terminating in a thrust discharge. The...
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4292376 |
Porous metal sheet laminate
A sheet laminate is utilised in the manufacture of a combustion chamber for a gas turbine engine. The laminate has passages therethrough, which connect with ambient atmosphere via holes. The...
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4109864 |
Coolant flow metering device
Two overlapping members subject to relative displacement and separated by a gap for spreading a pressurized fluid as a film over the overlapped member are provided with a metering device for...
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4081137 |
Finned surface cooled nozzle
An air-cooled, variable-throat, convergent-divergent nozzle for a turbojet engine. Active cooling constituent structures of the nozzle include: passages, for flow of cooling air, integral to, and...
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4055044 |
Rocket engine construction and connection for closed and opened fluid cooling circuits for the walls thereof
A fluid cooled rocket, comprises a tubular housing which forms an interior combustion chamber which has a closed end formed by a head containing a propellant component injector, and an opposite...
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4044555 |
Rear section of jet power plant installations
1. In a gas turbine engine having blades and an exhaust tailpipe, the combination of an exhaust cone axially mounted within the tailpipe and having its rearward end adjacent the discharge opening...
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3981448 |
Cooled infrared suppressor
An infrared suppressor for use with an engine to receive the engine exhaust gases from the engine exhaust flange. Individual panels, cooled by a combination of convection and film cooling...
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3970252 |
Cooled exhaust duct
An exhaust duct for a turbofan aircraft engine includes a bulbous inner cone which blocks direct sight of the turbine through the duct. Ram air from the fan is caught by scoops and conveyed from a...
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3956885 |
Electrothermal reactor
An electrothermal reactor is provided to control the decomposition of chemical compounds and mixes and generate a gas flow. The reactor embodies a reaction chamber which has an electrical heat...
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3925983 |
Transpiration cooling washer assembly
A transpiration cooling washer assembly having a relatively thin washer element in which a pattern of holes is etched completely through to define a primary slot for metering coolant and a...
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3913666 |
Heat resistant wall construction
A technique of constructing a heat resistive wall with uni-directional quills, such as fibers, wherein a heat resistant surface is formed by the ends of the quills. The structure is formed of a...
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3910039 |
Rocket chamber and method of making
A transpiration cooled rocket chamber is made by forming a porous metal wall on a suitably shaped mandrel. The porous wall may be made of sintered powdered metal, metal fibers sintered on the...
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3863443 |
HIGH PRESSURE ROCKET AND COOLING MEANS
1. In an engine having a combustion chamber of circular cross-section and concentric about an axis and including a propellant injector head at the upstream end of the combustion chamber and an...
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3863442 |
ANNULAR SHEET AND VARIABLE AREA INJECTION
An injector assembly for a bipropellant rocket engine having a movable dector plate, to vary the orifice areas and propellant flow, coupled to a throat pintle to simultaneously vary the nozzle area...
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3831396 |
SELF-REGULATING THERMAL PROTECTION SYSTEM FOR HEATED SURFACES
A system for providing protective cooling for machine surfaces which, in the absence of such cooling, would otherwise be damaged on exposure to a high heat flux, and in which such cooling is...
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3815360 |
COMBINED INFRARED AND SOUND SUPPRESSOR FOR AIRCRAFT JET ENGINE
For reducing line-of-sight, infrared radiation and exhaust noise from the tailpipe of a jet aircraft engine, a plurality of hollow helical vanes with porous walls and supplied internally with...
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3782116 |
FOAM COOLING AND ACOUSTIC DAMPING FOR INTERNAL COMBUSTION ENGINES
There is disclosed a method and apparatus for providing thermal protection and acoustic damping in an internal combustion engine by means of injecting a liquid base foam into the gas boundary zone...
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3720075 |
ABLATIVE SYSTEM
A carrier liquid containing ablative material bodies is supplied to a plenum chamber one wall of which has openings therethrough and which wall is exposed to a high temperature environment. The...
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3712063 |
COOLED PINTLE ASSEMBLY
To maintain a constant pressure in the combustion chamber of a rocket engine, which operates with either liquid and/or metallized propellants, a cooled throat pintle assembly is provided to vary...
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3712059 |
REVERSE FLOW INTERNALLY-COOLED ROCKET ENGINE
An improved liquid or gas combusting type rocket engine operable to develop large gas volumes upon reactive engagement of fluids of the so-called fuel and oxidizer types: said engine including in...
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3710574 |
FLUID DISTRIBUTION AND INJECTION SYSTEMS
Apparatus for fluid distribution and injection within a propulsive device, wherein a plurality of preformed laminations are stacked and bonded together to form an integral structural shell having...
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3710572 |
THRUST CHAMBER
A rocket engine thrust chamber comprising a combustion chamber having its fuel inlet-mixing section and thrust nozzle section formed of integrally interconnecting pyrolyzed graphite filaments so...
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3700171 |
COOLING TECHNIQUES FOR HIGH TEMPERATURE ENGINES AND OTHER COMPONENTS
Cooling means for a rocket engine nozzle comprising a fusible multi-turn, multi-layer coil of metal surrounding a porous liner in the nozzle and flowing therethrough when melted. Gas bled from the...
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3643429 |
GAS GENERATOR CONSTRUCTION
A gas generator construction particularly an auxiliary combustion chamber for a rocket engine of the main current type for the production of oxygen-rich propellant gases of relatively low...
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3595023 |
ROCKET ENGINE COMBUSTION CHAMBER COOLING
A liquid-cooled rocket combustion chamber construction includes a thrust nozzle and is characterized by the cooling of the walls using a plurality of separate cooling circuits which are independent...
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3585800 |
TRANSPIRATION-COOLED DEVICES
This invention relates to transpiration cooling and particularly to transpiration cooling of devices subjected to heat flux above the capabilities of the material forming the device, such as thrust...
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3464208 |
TRANSPIRATORY COOLING BY EXPENDABLE INSERTS
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3462956 |
ROCKET DRIVE COOLING ARRANGEMENT
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3451222 |
SPRAY-COOLED ROCKET ENGINE
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3439502 |
COOLING OF GAS GENERATORS
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3383862 |
Rocket thrust chamber
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3359737 |
Combustion instabillity reduction device
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3353359 |
Multislot film cooled pyrolytic graphite rocket nozzle
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3350884 |
Propellent supply to electro-thermic ejectors
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3340690 |
Boundary layer control for detonation ramjets
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3327480 |
Afterburner device with deflector means
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