Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8387361 | Hybrid rocket system with moveable combustion control member The present invention describes a hybrid rocket motor that includes a first solid reactant and at least one thrust nozzle and at least one moveable combustion control member within the hybrid rocket motor that restricts the contact of a first fluid reactant in the c... | 03/05/2013 |
| 8099945 | Hybrid propulsion system Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case a... | 01/24/2012 |
| 7966809 | Single-piece hybrid rocket motor A hybrid rocket motor is formed from a single piece of material, such as, for example, by extrusion or injection molding. The rocket motor includes various components, such as casing, structure, oxidizer tank, combustion chamber, fuel, port and nozzle that are all f... | 06/28/2011 |
| 7921638 | Bi-propellant rocket motor having controlled thermal management A bi-propellant rocket motor having controlled thermal management is disclosed. The rocket motor produces thrust using a solid or gel-phase primary propellant that can be either fuel- or oxidizer-rich, with a complementary self-pressurizing secondary propellant sele... | 04/12/2011 |
| 7690192 | Compact, high performance swirl combustion rocket engine A rocket engine includes a combustor assembly for carrying out a combustion process of fuel and oxidizer rocket propellants to produce thrust. A swirl generator is positioned within the combustor assembly to produce a turbulent flowfield of the fuel and oxidizer roc... | 04/06/2010 |
| 7540145 | Unitized hybrid rocket system The hybrid rocket system of this invention is characterized by use of an oxidizer tank having a cylindrical midsection surrounded by a skirt and bonded thereto by a layer of elastomeric adhesive. The skirt outer surface is in turn adhesively secured to a spacecraft ... | 06/02/2009 |
| 7503165 | Hybrid propulsion system Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. In one embodiment, the propulsion system comprises: a hybrid rocket motor case a... | 03/17/2009 |
| 7404288 | High propulsion mass fraction hybrid propellant system Disclosed is a propulsion system having a structural configuration that provides easy and convenient access to the interior regions of a liquid fuel tank and a hybrid rocket motor case. The system operates with a high oxidizer-to-fuel ratio and a high bulk density p... | 07/29/2008 |
| 7357367 | Embedded high temperature valve A high temperature valve for controlling gas flow includes an outer vessel, a valve housing, and a valve element. The valve housing is disposed at least partially within, and is at least partially surrounded by, a propellant gas flow passageway that is formed in the... | 04/15/2008 |
| 7354461 | Solid fuels for fuel cells A solid fuel for use in fuel cells is presented. The solid fuel includes solid oxygenates, and mixtures for generating a gaseous fuel from the solid fuel. The solid fuel can be contained in a cartridge and reacted with a liquid reactant for generating a gaseous fuel... | 04/08/2008 |
| 7287725 | Missile control system and method A missile includes a control system having divert and attitude control system thrusters with control valves. Each of the control valves has a nozzle plate having a plurality of small nozzles therein. The nozzle plate includes a pair of portions, one of which is rota... | 10/30/2007 |
| 7281367 | Steerable, intermittently operable rocket propulsion system A propulsion system including an extinguishable rocket motor and an incorporated maneuver control system. The rocket motor may be of the solid fuel type. One or more proportional axial thrust valves in communication with a pressure vessel or motor case containing a ... | 10/16/2007 |
| 7210472 | Nitrous oxide vapor delivery system for engine power enhancement This invention is a nitrous oxide delivery system to improve engine power in which the nitrous oxide leaves its storage bottle as a vapor rather than conventional liquid delivery systems in which it leaves as a liquid. This system can therefore use a relatively simp... | 05/01/2007 |
| 7194852 | Propulsion from combustion of solid propellant pellet-projectiles Propulsion from combustion of solid propellant pellet-projectiles for providing a useful propulsion that has the advantages of both solid and liquid propulsion engines, and also can make use of either solid chemical propellants or fissionable nuclear material as the... | 03/27/2007 |
| 7188558 | Pyromechanical separating element The invention relates to a pyromechanical separating element having a hermetically sealed pyrotechnic pressure element (2), which is installed in a housing (1) and has a gas-forming pyrotechnic charge, and a detachable latching pin (5) which is ... | 03/13/2007 |
| 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 |
| 7082750 | Pressurizer for a rocket engine A pressurizer for pressurizing a fluid includes: at least two storage tanks, where, for each storage tank, the pressurizer further includes: a propellant entrance valve, a propellant exit valve, a pressurant entrance valve, and a pressurant exit valve, where each of... | 08/01/2006 |
| 7069717 | Hybrid propulsion system Disclosed is a propulsion system for a spacecraft. The propulsion system includes a supply of oxidizer and at least one nozzle. A conduit fluidly couples the supply of oxidizer and the nozzle. The conduit provides a pathway for oxidizer to flow in a downstream direc... | 07/04/2006 |
| 7032493 | Rocket launcher system and method for controlling a rocket launcher system A rocket launcher system and a method for controlling a rocket launcher system. The rocket launcher system is placed below deck on a ship to improve the ship's stealth capability and includes a launcher, a charger and a magazine containing one or more different type... | 04/25/2006 |
| 7003942 | System and method of controlling pressure oscillations of hydrodynamic origin for a solid propellant thruster The invention provides a system for passively controlling pressure oscillations of hydrodynamic origin in a solid propellant thruster comprising a body containing a charge of solid propellant, the system comprising at least one insert disposed in the thruster body t... | 02/28/2006 |
| 7000377 | Super-staged and continuously staged rocket A super-staged rocket includes at least approximately 50 rocket engines, where the engines are distributed according to at least one of: at least five multi-engine stages connected in series, each stage including at least ten engines connected in parallel; and at le... | 02/21/2006 |
| 6968676 | Propulsion from combustion of solid propellant pellet-projectiles Propulsion from combustion of solid propellant pellet-projectiles for providing a useful propulsion that has the advantages of both solid and liquid propulsion engines, and also can make use of either solid chemical propellants or fissionable nuclear material as the... | 11/29/2005 |
| 6952917 | Dual liquid engine and rocket using the same The engine for a rocket is suitable for using for an educational program. The engine uses a liquid phase propellant having a predetermined boiling point and a heating substance having a temperature higher than the boiling point. The engine has an inner wall having a... | 10/11/2005 |
| 6951317 | Vehicle, lightweight pneumatic pilot valve and related systems therefor A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ... | 10/04/2005 |
| 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 |
| 6912839 | Ignition systems for hybrid and solid rocket motors An ignition system for a rocket motor includes a soft plastic tube that extends up into the combustion chamber and is coupled to an oxidizer source. Ignition source wires extend through the tube and terminate at a first end at a location which is set back from the e... | 07/05/2005 |
| 6880326 | High regression rate hybrid rocket propellants and method of selecting This invention comprises a new process for developing high regression rate propellants for application to hybrid rockets and solid fuel ramjets. The process involves the use of a criterion to identify propellants which form an unstable liquid layer on the melting su... | 04/19/2005 |
| 6820412 | Hybrid rocket motor having a precombustion chamber A hybrid rocket motor is provided with a precombustionchamber supplied with propellant from separate fuel and oxidizer sources. The propellant can be in the form of gas or liquid and injected substantially tangentially into the head end of the hybrid motor adjacent ... | 11/23/2004 |
| 6807804 | Hybrid rocket motor having a precombustion chamber A hybrid rocket motor is provided with a precombustion chamber supplied with propellant from separate fuel and oxidizer sources. The propellant can be in the form of gas or liquid and injected substantially tangentially into the head end of the hybrid motor adjacent... | 10/26/2004 |
| 6739121 | Flame holder for a hybrid rocket motor A flame holder is provided at a head end of a combustion chamber of a hybrid rocket motor. The flame holder includes a high-temperature casing defining a cavity, and a solid propellant within cavity around or near the injector. The propellant may be provided in an a... | 05/25/2004 |
| 6701705 | Gas-walled rocket nozzle The present invention comprises a rocket motor nozzle that replaces the fixed-wall throat with a "wall" created by injecting gas radially into the nozzle. By injecting gas into the flow of combustion products that are going through the nozzle, this will d... | 03/09/2004 |
| 6684625 | Hybrid rocket motor using a turbopump to pressurize a liquid propellant constituent A hybrid rocket motor includes a storage tank which stores an oxidizer under relatively low pressure, a turbopump preferably directly coupled to an outlet of the storage tank which pressurizes the oxidizer to a relatively high pressure, a combustion chamb... | 02/03/2004 |
| 6684624 | High regression rate hybrid rocket propellants This invention comprises a new process for developing high regression rate propellants for application to hybrid rockets and solid fuel ramjets. The process involves the use of a criterion to identify propellants which form an unstable liquid layer on the... | 02/03/2004 |
| 6679049 | Hybrid rocket motor having a precombustion chamber A hybrid rocket motor is provided with a precombustion chamber supplied with propellant from separate fuel and oxidizer sources. The propellant can be in the form of gas or liquid and injected substantially tangentially into the head end of the hybrid mot... | 01/20/2004 |
| 6629673 | Adaptable solid-hybrid rocket for crew escape and orbital injection propulsion The present invention relates to a propulsion system for transporting a crew transfer vehicle. The propulsion system has a casing which defines a chamber, a solid propellant system positioned within the chamber for generating one of emergency escape propu... | 10/07/2003 |
| 6601380 | Hybrid rocket engine and method of propelling a rocket A hybrid rocket engine and a method for propelling a rocket utilizing a vortex flow field. The flow field includes an outer fluid vortex spiraling toward a closed end of the flow field generating apparatus and an inner fluid vortex substantially concentri... | 08/05/2003 |
| 6536350 | Stagnation pressure activated fuel release mechanism for hypersonic projectiles A propulsion-assisted projectile has a body, a cowl forming a combustion section and a nozzle section. The body has a fuel reservoir within a central portion of the body, and a fuel activation system located along the central axis of the body and having a... | 03/25/2003 |
| 6470669 | Hybrid injection thrust vector control A rocket engine (10) generates a flow of hot propulsion fluid through a nozzle (14N) for generating propulsive thrust along a thrust vector 8. Hybrid exhaust gas generators (36,38) have their exhausts (44,54) through the side of the nozzle. Each gas gener... | 10/29/2002 |
| 6405526 | Solid fuel propulsion system for a ram jet rocket A solid fuel propulsion system for a ran jet rocket having a combustion chamber (B) surrounded by a tubular casing (2) and a gas generator (G) disposed upstream from the combustion chamber (B) and surrounded by a tubular casing (1) for generation of a com... | 06/18/2002 |
| 6393830 | Hybrid rocket propulsion system including array of hybrid or fluid attitude-control rocket engines This propulsion system of a rocket motor assembly includes an array of attitude-control rocket engines, one or more oxidizer-fluid sources, one or more ignition-fluid sources, and, optionally, one or more primary rocket engines. Each of the attitude-contr... | 05/28/2002 |
