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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8127555 | Flowpath heat exchanger for thermal management and power generation within a hypersonic vehicle An electrical power generation system incorporates thermoelectric devices (TE Devices) for electrical power generation adjacent a flow path heat exchanger (HEX) adjacent to a vehicle flowpath structure such as a scramjet flow path to take advantage of the waste heat... | 03/06/2012 |
| 7568347 | Method for designing flowfield molded hypersonic inlet for integrated turbojet and ram-scramjet applications A diverterless hypersonic inlet (DHI) for a high speed, air-breathing propulsion system reduces the ingested boundary layer flow, drag, and weight, and maintains a high capture area for hypersonic applications. The design enables high vehicle fineness ratios, low-ob... | 08/04/2009 |
| 7337606 | Rotary ramjet engine An engine for providing rotary power about an output shaft with a high power-to-weight ratio includes a plurality of flow guiding blades mounted on the inner surface of an annular thruster base. The flow guiding blades cooperate with the peripheral surface of a roto... | 03/04/2008 |
| 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 with a second aspect of the present invention, a method for launchin... | 02/12/2008 |
| 7267303 | Method and system for providing cruciform steered, bent biconic and plasma suppression for maximum accuracy A system for reducing plasma induced communication disruption is disclosed. The system utilizes an electrophilic gas injectant, bent reentry vehicle nose shaping and a number of flaps configured to provide 3-axis steering capability. Injecting electrophilic gas inje... | 09/11/2007 |
| 7261556 | Combustion apparatus for high velocity thermal spraying A combustion apparatus is provided having a pre-combustion chamber and a combustion chamber. The pre-combustion chamber houses a preheating combustion for preheating and at least partially vaporizing fuel supplied to the pre-combustion chamber. The preheating combus... | 08/28/2007 |
| 7237752 | System and method for reducing plasma induced communication disruption utilizing electrophilic injectant and sharp reentry vehicle nose shaping The present invention discloses a system and a method for reducing plasma induced communication disruption utilizing electrophilic injectant and sharp reentry vehicle nose shaping. Injecting electrophilic gas into plasma accomplishes reduction of plasma induced comm... | 07/03/2007 |
| 7188477 | High temperature dynamic seal for scramjet variable geometry A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The movable element has an outboard structural member which requires thermal protection. The seal assembly includes a sealing element and... | 03/13/2007 |
| 7168236 | Compact lightweight ramjet engines incorporating swirl augmented combustion with improved performance A ramjet powered device that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel into an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which th... | 01/30/2007 |
| 7117680 | Cooling scheme for scramjet variable geometry hardware A cooling system for use in an engine having an element to be cooled includes at least one cooling channel on a first side of the element, at least one cooling channel on a second side of the element, and the at least one cooling channel on the first side communicat... | 10/10/2006 |
| 7109595 | Small multi-functional butane gas-powered portable electric generator The object of the present invention is a multi-functional electric generator comprising, an engine, a generator, a voltage-stabilizer control circuit, a gas storage gauge and a lighter. A manual electrical rod can be assembled to a side of the engine allowing the ge... | 09/19/2006 |
| 7051659 | Projectile structure A scramjet has a cowl, a center structure, and a plurality of wide pylons connecting the cowl to the center structure, with scramjet engines positioned between adjacent pylons. Leading surfaces of adjacent pylons converge to one another to provide side wall compress... | 05/30/2006 |
| 7000398 | Ramjet engine combustion chamber and ramjet engine equipped with same The invention concerns a combustion chamber whereof the inner wall (17)is made at least partly of a thermostructural composite material, which is porous to the fuel passing through the double wall (14); and the porosity of said inner wall (17) i... | 02/21/2006 |
| 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 the atmosphere and that does not require a portion whose shape is va... | 01/03/2006 |
| 6968694 | Augmentor A turbine engine has a centerbody within a gas flowpath and a downstream tailcone and a pilot at an upstream end of the tailcone. A flameholder is positioned in the flowpath outboard of the centerbody. The pilot has a first surface diverging in a downstream directio... | 11/29/2005 |
| 6968695 | Compact lightweight ramjet engines incorporating swirl augmented combustion with improved performance A ramjet powered device that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel into an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which th... | 11/29/2005 |
| 6948306 | Apparatus and method of using supersonic combustion heater for hypersonic materials and propulsion testing A supersonic combustion apparatus and method of using the same including a side wall cavity having an enhanced mixing system with ground-based oxygen injection for hypersonic material and engine testing. ... | 09/27/2005 |
| 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, and mixing a fuel into an oxidant. The swirl generator converts an ox... | 06/21/2005 |
| 6883330 | Variable geometry inlet design for scram jet engine The present invention relates to an improved variable geometry inlet for a scram jet engine having at least one combustor module. The variable geometry inlet comprises each combustor module having two sidewalls. Each of the sidewalls has a central portion with a thi... | 04/26/2005 |
| 6880342 | Structure and method for controlling inlet shock position of a hypersonic vehicle System and method for controlling inlet shock position and airflow Mach number of a hypersonic vehicle is described wherein thermally controlled fuel is controllably injected into the airflow at the inlet of the propulsion system of the vehicle. ... | 04/19/2005 |
| 6857261 | Multi-mode pulsed detonation propulsion system A multi-mode propulsion system for potential application to hypersonic and aerospace planes. The system can employ various propulsion modes at various points in time, with the propulsion system employed at a given point in time being selected according to the veloci... | 02/22/2005 |
| 6715293 | Scram jet engine design The present invention relates to a scram jet engine for use with a hypersonic vehicle. The scram jet engine has an upper boundary wall, a lower boundary wall, and a plurality of side walls defining an inner air flowpath. The walls are formed by a plurality of tubula... | 04/06/2004 |
| 6694743 | Rotary ramjet engine with flameholder extending to running clearance at engine casing interior wall A rotary ramjet engine. A rotary ramjet engine is provided operating with a very low axial flow component. The engine has a closely housed rotor and shaft mounted for rotary motion with respect to an engine case. A plurality of ramjet combustors are provi... | 02/24/2004 |
| 6672068 | Ramjet for a supersonic and hypersonic aircraft According to the invention, the wall (5) is mounted movably as one so as to be able to slide longitudinally in translation, bringing the joint line (14) closer to the fuel injector (9) so as progressively to modify the geometries of the oxidant inlet (16)... | 01/06/2004 |
| 6637187 | Rotary inlet flow controller for pulse detonation combustion engines A rotary inlet flow controller, with one or more open ducts extending therethrough, aerodynamically controls the amount and velocity of the flow of air to combustion chambers of pulse detonation engines, or other engines, without imposing large cyclic air... | 10/28/2003 |
| 6584774 | High frequency pulsed fuel injector A high frequency pulsed fuel injector is disclosed. The fuel injector incorporates a resonance tube in outlet fluid communication with a fuel nozzle. During operation the resonance tube provides a pulsating output which is directed into the fuel nozzle. T... | 07/01/2003 |
| 6470672 | Minimally intrusive and nonintrusive supersonic injectors for LANTR and RBCC/Scramjet propulsion systems A family of supersonic injectors for use on spaceplanes, rockets and missiles and the like is disclosed and claimed. Each injector maintains a specific constant (uniform) Mach number along its length when used while being minimally intrusive at significan... | 10/29/2002 |
| 6446425 | Ramjet engine for power generation A ramjet engine power generator. Supersonic ramjets are provided along a portion of the circumference of a low aerodynamic drag rotor. The rotor is affixed at a central hub to a rotating shaft. The rotor acts as a structural member which transmits to the ... | 09/10/2002 |
| 6298653 | Ramjet engine for power generation A method of generating power. Ramjet structural components to provide inlet compression, a combustion chamber, and an outlet nozzle are provided at one or more circumferentially spaced locations along the periphery of a low aerodynamic drag rotor. Ramjet ... | 10/09/2001 |
| 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 vehicle which directs combustion gases (23 and 64) produced ... | 09/25/2001 |
| 6263660 | Apparatus and method for fuel-air mixing before supply of low pressure lean pre-mix to combustor for rotating ramjet engine driving a shaft Fuel air mixing apparatus, and a method for design and operation of fuel-air mixing apparatus. An axial inlet air fan provides inlet air to an annular passageway having therein fuel supply structures through which fuel such as low pressure natural gas is ... | 07/24/2001 |
| 6155041 | Hybrid engine capable of employing at least a ramjet mode and a super ramjet mode The present invention relates to a hybrid engine capable of employing a ramjet mode and a super ramjet mode and comprising a main engine system (3, 4, 5, 8) which burns fuel and which comprises at least one air inlet (3) for an air stream (F), a combustio... | 12/05/2000 |
| 6003300 | Technique for high mixing rate, low loss supersonic combustion with solid hydrogen and liquid helium fuel This invention relates to a fueling process that allows complete combustion with air in the combustor of an aircraft traveling at a speed greater than the speed of sound. A process is described to inject a jet of solid hydrogen particles admixed in liquid... | 12/21/1999 |
| 5941064 | Fuel injection device for ramjets for aircraft The present invention concerns a fuel injection device for ramjets for supersonic and/or hypersonic aircraft, said ramjet comprising a combustion supporting gas inlet and, downstream thereof, a combustion chamber and a nozzle adapted to channel gases leav... | 08/24/1999 |
| 5899061 | Fuel injection device for a ramjet operating at a high mach number A fuel injection stub (6) for a ramjet is intended to operate at a high Mach number. According to the invention, the nose of the stub is formed by a thermally conductive thin wall (11) having at least approximately the shape of a dihedron, the angle of sa... | 05/04/1999 |
| 5894722 | Variable geometry ramjet for aircraft A ramjet for supersonic and/or hypersonic aircraft, designed to operate over a wide range of speeds, includes an inlet for a combustion supporting gas; a fuel injection device; and a ramjet body. The ramjet body has a combustion chamber in which the combu... | 04/20/1999 |
| 5865025 | Fuel injection stub for a ramjet operating at a high Mach number A fuel injection stub (6) for a ramjet is designed to operate at a high Mach number. According to the invention, said stub includes a carbon-carbon composite body (10), in which a rail of elementary injectors is arranged, and a nose piece (11) consisting ... | 02/02/1999 |
| 5727382 | Aircraft ram jet engine for supersonic and/or hypersonic flight The present invention relates to an aircraft ram jet engine for supersonic and/or hypersonic flight, intended to operate over a wide range of speeds. According to the invention, the ram jet engine comprises a ram jet engine body (5) including a combustion chee... | 03/17/1998 |
| 5722234 | Aircraft ram jet engine for supersonic and/or hypersonic flight An aircraft ram jet engine for supersonic and/or hypersonic flight, intended to operate over a wide range of speeds, of the type including: (a) an oxidant inlet; (b) at least one fuel injector; (c) a body in which the oxidant and fuel intended to be burne... | 03/03/1998 |
| 5694768 | Variable cycle turbofan-ramjet engine An improved variable cycle turbofan-ramjet engine is disclosed. The engine includes a split fan assembly, a bypass channel surrounding a core engine and a mode selector valve for selectively bypassing air around an aft fan and the core engine. In a first,... | 12/09/1997 |
