US Government As Represented by the Secretary of the Army

Other

Robert S Michaels

Jerrold H Arszman

Ben F Wilson

Roger P Berry

Robert W Milton

Bryce D Brubaker

Mark W Kirkham

Jon A Freeman

Daryoush M Salehi

Nathan P Mathis

Regulated pneumatic gas is supplied through a gas supply tube () which is welded to a pilot valve housing () which accommodates a solenoid valve (). When the solenoid valve is electrically activated and opened, the pneumatic gas flows through a bifurcated channel () which is welded to the pilot valve housing and to a fuel valve mechanism (A) and to an oxidizer valve mechanism (B). The force of the pneumatic gas causes pistons (A,B) to actuate respective poppets (A,B). Movement of the poppets results in the dispensing of fuel propellant from a fuel outlet chamber (A) and the dispensing of oxidizer from an oxidizer outlet chamber (B). The fuel valve mechanism and oxidizer valve mechanism are positioned and oriented such that the exiting fuel and oxidizer are mixed in a vortex rocket engine.

Pnumatically actuated bi-propellant valve (PABV) system for a throttling vortex engine

Stereolithography is used to fabricate directly a single-piece, missile-usable, accurate, flightweight igniter without the use of intermediate, non-operational molds or prototypes in the fabrication process. The same prototype-less, direct stereolithography can be used to produce other missile-usable parts by designing each such part to be of a single-piece configuration and by using material that is suitable for both stereolithography and functional missile application.

Single-piece stereolithographically-produced missile igniter

Sliding-Action Magneto-Mechanical Injector Throttling Device (SLAMMIT) provides on-demand, yet accurate, throttling of the mass flow of the fuel and/or oxidizer into the combustion chamber of a vortex injector. At least two SLAMMIT sub-assemblies comprise the SLAMMIT Device and each sub-assembly is integrated into a manifold and is driven to slide in a given direction by a drive block that is internal to the sub-assembly. The drive block is, in turn, actuated by an electromagnet that is external to the SLAMMIT sub-assembly. As the SLAMMIT sub-assemblies slide, flappers inside the sub-assemblies achieve the effective opening size of the injection orifices anywhere between fully open and fully closed.

Sliding-action magneto-mechanical injector throttling device

This invention is a composition of matter and method of preparing the same. More specifically the present invention is a medicated vapor candle consisting of a homogenous mixture having approximately three parts petroleum jelly containing the active ingredients of camphor, menthol and eucalyptus, melted and mixed with four parts candle wax. The active ingredients, by volume, of approximately 5% camphor, 2.5% menthol and 1.2% eucalyptus oil.

Medicated vapor candle

Current state-of-the art injection methodologies for bipropellant engines ly on either impingement or turbulence to mix the fuel and oxidizer streams. The multiple impinging stream vortex injector combines both mixing schemes into a single injector. Both first stage mixing at point of impingement and second stage mixing or turbulent vortex mixing is accomplished by impinging momentum balanced, tangentially injected propellant streams onto one another. The impingement angles are calculated to yield a resultant stream vector that consists of only a tangential velocity component. The two stages of mixing results in increased engine performance and combustion efficiency.

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Scottsboro, AL, United States of America

Robert S Michaels