An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8182622 | No-perchlorate flare composition The invention provides for a perchlorate-free pyrotechnic composition. In one embodiment of the present invention, the pyrotechnic composition includes from approximately sixty-seven percent (67%) to approximately seventy-eight percent (78%) of strontium nitrate [Sr... | 05/22/2012 |
| 8133335 | Black powder substitutes for small caliber firearms Propellant compositions are provided herein for use in small arms cartridges. Such propellant compositions include from about 70 to about 90% by weight of a cellulose-based organic fuel, from about 5 to about 30% by weight of a non-azide, nitrogen-containing primary... | 03/13/2012 |
| 8101033 | Alkali metal perchlorate-containing gas generants Alkali metal perchlorate-containing gas generant compositions which, upon combustion, produce or result in an improved effluent and related methods for generating an inflation gas for use in an inflatable restraint system are provided. Such alkali metal perchlorate-... | 01/24/2012 |
| 8088235 | Gas generant compositions A novel compound, used for example, as a gas generating fuel, is defined as a compound having the structural formula of R3—R1—R2, wherein R1 is a benzene ring with nitro substitution, R2 is a tetrazolyl group with a C—C bond to... | 01/03/2012 |
| 8038812 | System for manufacture and delivery of an emulsion explosive A method for manufacture and delivery of an emulsion explosive having a discontinuous oxidizer solution phase, a continuous fuel phase, and an emulsifier, the method comprising: (a) providing an emulsion manufacturing system; (b) conveying an oxidizer solution phase... | 10/18/2011 |
| 8002915 | Gas generant compositions A novel compound, used for example, as a gas generating fuel, is defined as a compound having the structural formula of wherein: R4 is a triazine ring; R1 is selected from the group consisting of a tetrazolyl group, CH3, OC... | 08/23/2011 |
| 7998292 | Burn rate enhancement of basic copper nitrate-containing gas generant compositions The inclusion of between about 15 to about 60 formulation weight percent of a reaction product of basic copper nitrate and at least one transition metal complex of 5-aminotetrazole, wherein the at least one transition metal complex of 5-aminotetrazole and the basic ... | 08/16/2011 |
| 7942989 | Porous silicon-based explosive An initiator explosive for detonating a second explosive that includes nanocrystalline silicon containing a plurality of pores and a solid state oxidant disposed within said pores. ... | 05/17/2011 |
| 7914631 | Gas-generating composition An azide-free gas-generating composition for use in gas generators for safety arrangements, in particular in gas generators for vehicle occupant restraint systems, includes a fuel and an oxidizer. The fuel is a compound having a melting point of at least 120 degrees... | 03/29/2011 |
| 7914632 | Gas generant compositions A novel compound, used for example, as a gas generating fuel, is methoxy carbonyl-5 amino tetrazole. A method of making the compound is also provided. A gas generating composition, containing the novel compound as a fuel, and an oxidizer is also provided. The novel ... | 03/29/2011 |
| 7914633 | White propellant compositions Sulfur-free and carbon-free, white propellant compositions for use as a blackpowder substitute in firearms, munitions, and pyrotechnics to form combustion byproducts that are water soluble and are free of corrosive sulfur compounds and black carbon residues. Formula... | 03/29/2011 |
| 7789980 | Preparation of ammonium dinitroamide (ADN) crystals, ADN crystals and energetic composites containing them The present invention relates to a process for the preparation of novel ammonium dinitroamide (ADN) crystals and to said novel ADN crystals. Said novel crystals have an original morphology factor, namely a low shape factor. They are obtained in the presence of at le... | 09/07/2010 |
| 7771550 | Method and system for manufacture and delivery of an emulsion explosive A method for manufacture and delivery of an emulsion explosive having a discontinuous oxidizer solution phase, a continuous fuel phase, and an emulsifier, the method comprising: (a) providing an emulsion manufacturing system; (b) conveying an oxidizer solution phase... | 08/10/2010 |
| 7662248 | Process for producing a gas generating agent The present invention provides a process for producing a gas generating agent capable of constantly producing a gas generating agent with a high quality. The process for producing a gas generating agent comprises the first step of feeding nitroguanidine, a ba... | 02/16/2010 |
| 7470337 | Gas generation with copper complexed imidazole and derivatives A compound including at least one copper II complex of a material selected from the group of imidazole and imidazole derivatives is provided for use in a gas generant composition. An associated burn rate enhanced gas generant composition, in addition to such copper ... | 12/30/2008 |
| 7350819 | Pretensioner A gas generating system (24) is provided including a gas generant container (34) and an initiator (28). The initiator (28) is positioned exterior of the gas generant container (34) so as to enable fluid communication with the conta... | 04/01/2008 |
| 7335270 | Gas generating composition and gas generator A stable, low-temperature ignition gas generating composition has a heating starting temperature of 170 to 220° C. The gas generating composition includes ammonium perchlorate, a chlorine scavenger, and microcrystalline carbon powder. The chlorine scavenger is sodi... | 02/26/2008 |
| 7150855 | Pelletized nitrocellulose (PNC) manufacture and long term storage A method of making pelletized nitrocellulose (PNC) includes preparing a lacquer, the lacquer comprising nitrocellulose (NC), ethyl acetate and ethyl centralite, the NC having a nitrogen content of at least about 12.2%; mixing the lacquer with an antisolvent to there... | 12/19/2006 |
| 7097203 | Inflator An inflator 10 of a vehicle occupant protection system contains an elongated housing 12 having a plurality of gas exit orifices 14 spaced along the length thereof. A first propellant body 31 and a second propellant body 33 are prov... | 08/29/2006 |
| 7040657 | Method of reducing nitrogen oxide in hybrid inflator The present invention provides a method of reducing an amount of NOx generated in actuation of a hybrid inflator. The present invention is a method of reducing nitrogen oxide which is generated in actuation of a hybrid inflator for an inflatable safety system of a v... | 05/09/2006 |
| 7022196 | Propellant system for solid fuel rocket An oxidizer package for use in a solid fuel propellant system. The oxidizer package comprises a solid oxidizer in the form of discrete pellets of predetermined geometric shape. The pellets are arranged in an array with spaces amongst the pellets. A holder is provide... | 04/04/2006 |
| 6997998 | Lead-and barium-free propellant charges The subject of the present invention is lead- and barium-free propellant charges with primary explosives mixed with oxygen-supplying substances, characterized in that the primary explosives are selected from alkali metal and/or alkaline earth metal salts of dinitrob... | 02/14/2006 |
| 6969435 | 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 metal cation template, a neutral ligand containing hydrogen and nitrogen, and sufficient oxidizing anion t... | 11/29/2005 |
| 6964716 | Gas generating composition Provided is a gas generating composition having a low combustion temperature and having a low produced amount of toxic carbon monoxide, ammonia and nitrogen oxides at the time of combustion. The gas generating composition includes the following components (a), (b) a... | 11/15/2005 |
| 6962633 | Amine azide propellant A novel family of amine azides having a cyclic structure therein is disclosed. These compounds have attractive properties as rocket propellants. ... | 11/08/2005 |
| 6960268 | Gas generating propellant compositions adapted for co-extrusion with a plastic sheath A flexible inflator for an inflation assembly and related gas generating propellant compositions are provided. The flexible inflator includes at least one elongated strand of a propellant co-extruded with a moisture barrier. The propellant compositions are adapted f... | 11/01/2005 |
| 6958100 | Gas-generating agent composition and gas generator employing the same The present invention provides a gas generant composition comprising a nitrogen-containing organic compound, an oxidizing agent and an additive, wherein a calorific value per mol of gas generated by the combustion of the gas generant is not more than 125 KJ. Also, t... | 10/25/2005 |
| 6958101 | Substituted basic metal nitrates in gas generation A material for a pyrotechnic composition and related pyrotechnic compositions are provided in which the material includes a substituted basic metal nitrate including a reaction product of an acidic organic compound and a basic metal nitrate. A method for enhancing a... | 10/25/2005 |
| 6949236 | Aminosulfonate product-treated nitrogen-containing salt particles Addition of an aminosulfonate product to an inorganic nitrogen-containing salt provides a composition of matter with improved properties. In particular, 2-acrylamido-2-methylpropanesulfonic acid and its derivatives can be added to ammonium nitrate to provide improve... | 09/27/2005 |
| 6931832 | Monopropellant combustion system An apparatus and method are provided for decomposition of a propellant. The propellant includes an ionic salt and an additional fuel. Means are provided for decomposing a major portion of the ionic salt. Means are provided for combusting the additional fuel and deco... | 08/23/2005 |
| 6921593 | Fuel additives for fuel cell A method of enhancing performance of liquid-type fuel cells by adding additives to the liquid fuel. For example, hemoglobin, surfactants, oxygen scavengers, and chelating agents, may be added to the fuel to resolve problems such as CO poisoning of catalyst, wettabil... | 07/26/2005 |
| 6913661 | Ammonium nitrate propellants and methods for preparing the same The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ... | 07/05/2005 |
| 6854395 | Inflator for an air bag An inflator for an air bag has, in a housing having a gas discharging port, a combustion chamber accommodating a molded article of a gas generating composition which is burnt to generate gas and ignition means to ignite the molded article of a gas generating composi... | 02/15/2005 |
| 6779464 | Gas generating composition A gas generating composition is obtained in which an amount of a combustion residue based on a unit amount of a gas generated is reduced. A gas generating composition comprising nitroguanidine, guanidine nitrate or a mixture thereof as a fuel and further an o... | 08/24/2004 |
| 6777309 | Method for fabricating thin film transistor display device The present invention makes it possible to transfer thin film devices such as integrated semiconductor and optical components from a first substrate onto a second substrate through a thermal process at high temperature, without degradation of device performance. Oth... | 08/17/2004 |
| 6764562 | Composite gas-generating material for gas-actuated car safety devices The invention relates to a pyrotechnical composition which is intended both for a hybrid gas-generating material and for a purely pyrotechnical gas-generating material for use in gas-actuated car safety devices, and which comprises a first obligatory constituent in ... | 07/20/2004 |
| 6749702 | Low temperature autoignition composition The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame or a high temperature environment. The low temperature autoignition co... | 06/15/2004 |
| 6740180 | Thermoplastic polymer propellant compositions A propellant is disclosed, comprising, as binder, an ethylene copolymer especially ethylene/vinyl acetate copolymer. The binder may be silane-grafted and moisture curable. A solid propellant composition may contain a plasticizer that is solid or semi-solid at 20° C... | 05/25/2004 |
| 6712918 | Burn rate enhancement via a transition metal complex of diammonium bitetrazole A method for increasing the burn rate of a gas generant formulation is provided involving the addition of a quantity of at least one transition metal complex of diammonium bitetrazole to the gas generant formulation. ... | 03/30/2004 |
| 6689237 | Gas generants containing a transition metal complex of ethylenediamine 5,5'-bitetrazole Gas generant compositions which include at least one transition metal complex of ethylenediamine 5,5'-bitetrazole are provided to produce or results in compositions having relatively high burn rates. Also provided are corresponding or associated gas gener... | 02/10/2004 |