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A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 8024918 | Rocket motor having a catalytic hydroxylammonium (HAN) decomposer and method for combusting the decomposed HAN-based propellant Methods and systems are provided for propelling a vehicle. In an embodiment, by way of example only, a method includes flowing a decomposed hydroxylammonium nitrite (HAN)-based propellant into a chamber, introducing an aspirated non-polar fuel into the chamber, and ... | 09/27/2011 |
| 7707819 | Explosively driven low-density foams and powders Hollow RX-08HD cylindrical charges were loaded with boron and PTFE, in the form of low-bulk density powders or powders dispersed in a rigid foam matrix. Each charge was initiated by a Comp B booster at one end, producing a detonation wave propagating down the length... | 05/04/2010 |
| 7350482 | Oxygen producing non-polluting engine A non-polluting engine that produces mechanical, rotary motion, and produces oxygen as a principle gaseous byproduct. The engine employs a fuel mixture that includes two components that together produce oxygen. The fuel mixture is introduced to a combustion chamber ... | 04/01/2008 |
| 7338540 | Decomposition of organic azides A method of decomposing an organic azide is provided and comprises allowing an organic azide to contact a catalytic metal halide, main group halide, mixed metal-main group halide, or mixture thereof. Organic azide fuel sources comprising an organic azide/catalyst co... | 03/04/2008 |
| 7279143 | Plasmatron-catalyst system A plasmatron-catalyst system. The system generates hydrogen-rich gas and comprises a plasmatron and at least one catalyst for receiving an output from the plasmatron to produce hydrogen-rich gas. In a preferred embodiment, the plasmatron receives as an input air, fu... | 10/09/2007 |
| 7134690 | Airbag release aid A solid propellant gas generator contains a bed of agglomerated or beaded hydrated gelatin. The gelatin/water bed is oriented such that at least substantially filtered combustion products are humidified by the water vapor as the filtered combustion products pass ove... | 11/14/2006 |
| 7124574 | Method and apparatus for a substantially coaxial injector element A system to provide a two piece robust fluid injector. According to various embodiments, the fluid injector is a fuel injector for a combustion engine. The injector includes two coaxially formed annuluses. One annulus is formed in a face plate and the second annulus... | 10/24/2006 |
| 6973774 | Hybrid propulsion system While commercial jet aircraft are capable of transporting large pay load economically, the same is not true for rockets. To solve this problem, a hybrid propulsion system is proposed for use in Horizontal Take-Off and Land (HOTOL) craft. The purpose is to maximized ... | 12/13/2005 |
| 6969433 | Granulated gas charges The invention relates to granulated gas charges and their use. Said granulated gas charges, whose combustion fumes are nitrogen-free and low in carbon monoxide, contain a) between 5 and 50% by weight binders; b) between 0 and 90% by weight oxidizing agents; and/or c... | 11/29/2005 |
| 6957526 | Pressure-actuated toy rocket system A pressure-actuated rocket system comprises a bottom base, a detonator and a rocket body. A top base is placed on a top surface of the bottom base. At least one through hole is located on a side of the top base and extended to an opening of the top surface. The holl... | 10/25/2005 |
| 6918243 | Bi-propellant injector with flame-holding zone igniter A bi-propellant injector (66) includes a first injector element (68) and a second injector element (70) injecting a first propellant (69) and a second propellant (71), respectively, into a combustion chamber (53). A flame-ho... | 07/19/2005 |
| 6915627 | Rocket engine The invention concerns a rocket engine wherein the combustion chamber includes at least one first monolithic component made of a thermostructural composite material comprising a porous wall through which the fuel is introduced in the core of the combustion chamber. ... | 07/12/2005 |
| 6832471 | Expander cycle rocket engine with staged combustion and heat exchange In a supersonic nozzle incorporating injectors and a combustion chamber as part of an expander cycle rocket engine, the oxidizer is injected in two streams. One of the streams, preferably a small fraction of the total, is injected into an upstream or preburner secti... | 12/21/2004 |
| 6779335 | Burning nitrous oxide and a fuel An apparatus is provided for burning a fuel and nitrous oxide. The apparatus has a combustor, a catalyst, a nitrous oxide supply passage for directing the nitrous oxide to a contact position with the catalyst, and a fuel supply passage for supplying the fuel to the ... | 08/24/2004 |
| 6705075 | Digital solid rocket motor and gas generator A method and device for producing a controlled combustion by placing a combustion chamber in communication with a feed chamber that contains a solid propellant/body, introducing at least a portion of the body into the combustion chamber, isolating the combustion cha... | 03/16/2004 |
| 6684622 | Rocket exhaust plume signature tailoring Methods and arrangements for tailoring rocket exhaust plume signatures of rocket exhaust systems are disclosed. The tailoring of the rocket exhaust plume signature is accomplished by providing and locating at least one structure having materials and/or ad... | 02/03/2004 |
| 6662550 | Method and apparatus for improving the efficiency of pulsed detonation engines A pulsed detonation engine having improved efficiency has a detonation chamber for receiving a detonable mixture, an igniter for igniting the detonable mixture, and an outlet for discharging detonation products. A diverging-converging nozzle is provided a... | 12/16/2003 |
| 6655124 | External system and method for rocket exhaust plume signature tailoring Systems and methods are disclosed for tailoring rocket exhaust plume signatures of fuel-propelled vehicles. An uncombusted fuel is injected or sprayed into the exhaust plume of an ignited rocket. The injected or sprayed fuel modifies the rocket exhaust pl... | 12/02/2003 |
| 6644015 | Turbojet with precompressor injected oxidizer A turbojet engine with improved thrust and high-altitude capabilities. Arrangements are provided for injecting liquid oxygen or other oxidizer into the turbojet engine before the compressor section. Cooling the incoming air by the liquid oxygen reduces th... | 11/11/2003 |
| 6519928 | Process for the production of a transverse thrust in a flying object A process for the production of a transverse thrust in a flying object in which a defined quantity of a monergol propellent substance is introduced into a propulsion unit, which is arranged transversely relative to a longitudinal axis of the flying object... | 02/18/2003 |
| 6415596 | Method for increasing the specific impulse in a liquid-propellant rocket engine and rocket powder unit for realising the same The present invention pertains to the field of rocketry and more precisely to liquid-propellant rocket engines and to rocket power units. This invention essentially relates to a method for increasing the specific impulse in a liquid-propellant rocket engi... | 07/09/2002 |
| 6350394 | Method and apparatus for total energy fuel conversion systems An independent and conserved source of fuel and/or power comprises a top stage rocket engine firing up to 5000 F. at very high pressures, delivering jet flows up to transonic velocities into a near adiabatic tunnel for mixing in general and/or for transfo... | 02/26/2002 |
| 6135393 | Spacecraft attitude and velocity control thruster system A rocket propulsion system for spacecraft achieves greater economy, reliability and efficiency rocket by incorporating monopropellant RCS thrusters (1a-1f) for attitude control and bipropellant SCAT thrusters (5a-5c) for velocity control. Both sets of thr... | 10/24/2000 |
| 5992825 | Portable expansion device An expansion device for doing work comprised of a housing including first and second selectively expandable sections defining an internal chamber which contains a chemical motor. Upon activation of the chemical motor, the first and second chamber are driv... | 11/30/1999 |
| 5925322 | Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor The present invention relates to a combined cycle system of enhanced efficiency. The system comprises a top stage, such as a fuel cell, a partial oxidation reactor or a heat engine, and an oxygen-enriching device, such as a temperature swing adsorption de... | 07/20/1999 |
| 5909001 | Method of generating a high pressure gas pulse using fuel and oxidizer that are relatively inert at ambient conditions A high pressure pulsed gas source for accelerating a projectile along a gun barrel comprises a structure including a high voltage electrode for establishing axial electrical discharges in corresponding axial gaps behind an outlet where the projectile is l... | 06/01/1999 |
| 5747730 | Pyrotechnic method of generating a particulate-free, non-toxic odorless and colorless gas An essentially particulate-free, non-toxic, odorless and colorless gas is generated in a pyrotechnic inflator device by using a eutectic solution of ammonium nitrate, guanidine nitrate and/or aminoguanidine nitrate, and minor amounts of polyvinyl alcohol ... | 05/05/1998 |
| 5592812 | Metal complexes for use as gas generants Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a cationic metal template, sufficient oxidizing anion to balance the charge of the complex, and a... | 01/14/1997 |
| 5579634 | Use of controlled burn rate, reduced smoke, biplateau solid propellant formulations Solid rocket motor propellant formulations are provided which are capable of burning at at least two selected burn rates. The burn rate is controlled by controlling the pressure at which the propellant burns. For example, it is possible to mechanically mo... | 12/03/1996 |
| 5566543 | PVC-based gas generant for hybrid gas generators The amount of particulate matter that is forced into the passenger compartment of an automobile by the deployment of an air bag as it protects the lives of occupants is reduced by improving the filterability of the combustion products of a composition for... | 10/22/1996 |
| 5421153 | Hydrodynamic propulsion device A hydrodynamic propulsion device possessing an expansion chamber located downstream of a cross-sectional widening for the inflow of a medium which is to be expelled through a discharge nozzle. The propulsion device is constructed as a static propulsion me... | 06/06/1995 |
| 5305598 | Energy generated from volcanic groundstates A novel class of energy-generating chemical processes or reactions uses cryogenically Prepared and stored materials exhibiting volcanic ground states having lifetimes exceeding several seconds. Energy generation is provided through activation of cryogenic... | 04/26/1994 |
| 4920743 | Crash bag propellant composition and method for generating nitrogen gas A propellant composition and method for limiting the corrosive properties of by-products from initiated crash bag propellant compositions comprising a 1(a) or 2(a) group metal azide salt, an oxidizer in the form of an oxide of a non-toxic transition metal... | 05/01/1990 |
| 4707980 | Power production process that reduces acid rain The specification discloses a method and apparatus for generating electricity which substantially eliminates the problem of acid rain as well as the problems associated with nuclear and hydroelectric power. Scrap aluminum and ferric oxide are reacted in a... | 11/24/1987 |
| 4658578 | Igniting rocket propellants under vacuum conditions Improved igniter compositions for rocket motors are provided which, when cured, are non-volatile and are capable of igniting under vacuum conditions and burning steadily at reduced pressures. Said igniter compositions comprise: (a) about 11% to about 13% ... | 04/21/1987 |
| 4420931 | Method of generating combustion gases utilizing polynorborene-based combustible compositions Polynorbornene has been found to be an excellent binder for the preparation of solid fuel materials and solid propellants. Mixtures of polynorbornene with liquid fuel materials such as kerosene, gasoline, or the advanced missile and aircraft liquid fuels ... | 12/20/1983 |
| 4407119 | Gas generator method for producing cool effluent gases with reduced hydrogen cyanide content Incorporation of various flame coolants, particularly ferrous oxalate, cupric oxalate and submicron size Fe3 O4 in N,N'-dihydroxyethane diamide containing gas generants results in cooler flame temperature and reduced HCN content. Use... | 10/04/1983 |
| 4309359 | Energy process in methanol synthesis In a process in which, after product recovery, an off-gas containing hydrogen and/or carbon monoxide is produced, energy economy is improved by reacting the off-gas in a fuel cell. The resulting electricity is preferably used for driving small machines in... | 01/05/1982 |
| 4297152 | Energetic monopropellant An energetic liquid monopropellant comprising a mixture of bis (2,2-dinitropropyl) acetal; bis (2,2-dinitropropyl) formal; and bis (2,2,2-fluorodinitroethyl) formal.... | 10/27/1981 |
| 4222800 | Isomerization of endo-endo hexacyclic olefinic dimer of norbornadiene The endo-endo olefinic hexacyclic dimer of 2,5-norbornadiene is isomerized using an acidic alumina catalyst. The isomerization temperatures ranges from between about an ambient temperature to about 300° C. The isomerized product, after hydrogenation, can... | 09/16/1980 |
