Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7975468 | Actuators for gun-fired projectiles and mortars An actuator stack is provided and having two or more individual actuators stacked in a longitudinal direction. Each of the two or more actuators having a solid detonation charge; a primer for igniting the detonation charge; and detonation wiring for powering the pri... | 07/12/2011 |
| 7360355 | Long range artillery shell A long range artillery shell having a rocket motor which comprises a combustion chamber (shown filled with solid propellant 9, burn inhibitor 10, igniter material 13 and propellant support 11,12) which has at one end a plenum chamber 8... | 04/22/2008 |
| 7284487 | Single-piece stereolithographically-produced missile igniter 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 u... | 10/23/2007 |
| 7275368 | Fan revolution speed control method The invention is a fan revolution control method for controlling a pump-motor system, by controlling the fan revolution speed of a cooling fan adapted to be rotated by a fan motor to cool cooling target fluids. The pump-motor system drives the fan motor by a hydraul... | 10/02/2007 |
| 7269951 | Throat retention apparatus for hot gas applications A nozzle for use in a hot gas valve is provided that includes a housing, an insert, and a throat retainer. The housing is constructed of an insulating material and has a flow path formed therein. The flow path has a throat section. The insert is made of material cap... | 09/18/2007 |
| 7254936 | Simple solid propellant rocket engine and super-staged rocket A solid propellant rocket engine includes: a propellant formed into a predetermined shape having a combustion cavity and capable of deflagrating into hot, high-pressure gas upon ignition; and a nozzle configured and positioned to expand the hot, high-pressure gas in... | 08/14/2007 |
| 7228906 | Propellant ignition assembly and process Method and apparatus for stimulating a subterranean formation that is penetrated by a well bore in fluid communication with the formation. At least one length of propellant is assembled with at least one shaped explosive charge that is aimed axially along the well b... | 06/12/2007 |
| 7177535 | Apparatus for generating power and hybrid fuel vaporization system A hybrid fuel vaporization system and an apparatus for producing power from a source of liquid fuel. The hybrid fuel vaporizing system includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, the in... | 02/13/2007 |
| 7118075 | System and method for attitude control and station keeping A system and method for supplying thrust to a structure, such as a satellite or spacecraft, for the purposes of station keeping and attitude control of the structure in low-gravity (orbital) and zero-gravity environments. The system includes devices for emitting ene... | 10/10/2006 |
| 7036303 | Ablative baffle for a liquid rocket engine thrust chamber An ablative baffle for a liquid rocket engine thrust chamber that includes a hub member having a hollow structure, of which both top and bottom parts are open; a plurality of blade rib members, each of which is connected removably at one end to the outer surface of ... | 05/02/2006 |
| 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 |
| 6873945 | Rocket motor propellant temperature simulator The present invention comprises a device which is inert and “thermally-equivalent” to actual ordnance. The device can travel with live ordnance and track the propellant temperatures in order to get a more precise propellant temperature for the ordnance. The devi... | 03/29/2005 |
| 6769241 | Description of methods to increase propellant throughput in a micro pulsed plasma thruster Propellant modules for Micro Pulsed Plasma Thrusters, and techniques for bundling propellant modules and for using a two-stage discharge process to increase MicroPPT propellant throughput, and decrease the output voltage required from the power-processing unit are p... | 08/03/2004 |
| 6681560 | Nozzle throat area control apparatus and method Control apparatus for a nozzle for a rocket or other vehicle having a combustion chamber with a propellant therein in communication with the nozzle, the nozzle having a throat and a pair of bores extending into the throat The bores may be in opposed or an... | 01/27/2004 |
| 6481198 | Multi-stage rocket motor assembly including jettisonable launch motor integrated with flight igniter This multi-stage rocket motor assembly includes, a one main motor subassembly and a launch motor subassembly. The flight igniter of the main motor subassembly is integrated with the launch motor subassembly to permit the flight igniter to be jettisoned es... | 11/19/2002 |
| 6357357 | Propulsion system A propellant burning system and method useful in a rocket motor or projectile firing device burns a continuous main propellant grain of relatively soft propellant material selected from uncatalyzed or partially catalyzed propellants. A separating device d... | 03/19/2002 |
| 6352030 | Gas generating eject motor A gas generating eject motor includes a case containing an ignitable low temperature gas generant material that does not produce toxic gases upon the combustion thereof. The gas generant material is generally contained with a screen enclosure housed withi... | 03/05/2002 |
| 6311479 | Modular cryogenic solid fuel rocket drive sets Modular, cryogenic, solid rocket propellants of different fuel components, such as fuels, oxidizers, energy-increasing admixtures, binders, additives, etc., for all applications of solid rockets produce a uniform, stable and complete combustion, This obje... | 11/06/2001 |
| 6230626 | Flashless MK 66 rocket motor A flashless rocket propellent has a continuous potassium sulfate rod extending though the length of the propellent component. The flashless rocket propellent is particularly useful in the MK 66 Rocket Motor.... | 05/15/2001 |
| 6213023 | Base bleed unit Base bleed unit comprising a surrounding housing (1) surrounding at least one mass flow generating gun powder charge (7), and having at least one outlet hole (6, 6') extending through a rear wall (3) of the housing (1), in which also at least one igniter ... | 04/10/2001 |
| 6178741 | Mems synthesized divert propulsion system A synthesized divert propulsion system adapted to be utilized in various vehicles, including kill vehicles, interceptors, rockets, missiles and the like. The system is fabricated using microelectromechanical system (MEMS) technology which eliminates compl... | 01/30/2001 |
| 5959235 | Fire mitigation device A device for initiating burning of an explosive or propellant material subjected to external heating prior to detonation is described, the device comprising at least two materials, at least a first one of which materials melts at a temperature below the t... | 09/28/1999 |
| 5836150 | Micro thrust and heat generator A micro thrust and heat generator has a means for providing a combustion fuel source to an ignition chamber of the micro thrust and heat generator. The fuel is ignited by a ignition means within the micro thrust and heat generator's ignition chamber where... | 11/17/1998 |
| 5827993 | Pyrotechnic ignition device for a gas generator A pyrotechnic ignition device for a gas generator (G), in which: (i) at least in the vicinity of the primary charge (CP), the transmission line (L) is at least substantially perpendicular to the longitudinal axis (X--X) of the outer case (E) of the genera... | 10/27/1998 |
| 5765361 | Hybrid-LO2-LH2 low cost launch vehicle A low-cost rocket or thruster has a low-cost propellant injector, in which fluid fuel and oxidizer are injected into a combustion chamber. The walls of the combustion chamber are protected from the high temperatures of the combustion by a grain of solid p... | 06/16/1998 |
| 5727368 | Hybrid motor system with a consumable catalytic bed a composition of the catalytic bed and a method of using A method, device and composition for achieving ignition and sustained combustion using a solid consumable catalytic bed (CCB) is described. The CCB accomplishes this by decomposition of an injected fluid. Initially this reaction is catalytic or hypergolic... | 03/17/1998 |
| 5712444 | Priming mechanism for a propellant charge notably for field artillery ammunition and its manufacturing process A priming mechanism for a propellant charge, notably for field artillery ammunition, comprising a tube (2) made of a combustible material, whose inner wall is lined with a priming charge which marks out a central channel (5) inside the tube (2), character... | 01/27/1998 |
| 5670735 | Propellant igniting system and method of making the same An igniting system for a projectile propellant includes a combustible support tube having an outer surface and an inner surface; a plurality of throughgoing apertures provided in the support tube; a free igniting channel coaxially surrounded by the suppor... | 09/23/1997 |
| 5519997 | Device for tightening a safety belt of a motor vehicle A drive mechanism has a guide pipe, a piston which is guided in the guide pipe and is driven by a propellant that is generated by a gas generator, and a traction mechanism which connects the piston to the component to be driven.... | 05/28/1996 |
| 5509354 | Igniter holder An igniter holder is designed for use with a model rocket engine for temporarily fixing the igniter in the ignition cavity of the model rocket engine in preparation for launch.... | 04/23/1996 |
| 5463954 | Conductive polymer ignitors A system and method is provided for igniting a propellant with an electrically conductive chemically insensitive polymer. The polymer is an electrical resistance heater to heat the propellant to its ignition temperature. Preferably, the polymer is an orga... | 11/07/1995 |
| 5460407 | Restraint system for vehicle occupants having laser ignition for an air bag gas generator The invention relates to a restraint system for vehicle occupants with a gas cushion and a gas generator that fills the gas cushion and equipped with a solid-matter propellent charge as well as an electrically activated ignition device designed as a laser... | 10/24/1995 |
| 5390487 | Ignition safety device for a rocket motor The ignition safety device is mounted on a rocket motor nozzle having a body with a longitudinal nozzle opening having an igniter therein for igniting the propulsion charge of the rocket motor. An electrically operable detonator is mounted in a detonator ... | 02/21/1995 |
| 5212946 | Reloadable/modular solid propellant rocket motor A modular reusable rocket motor combined with reusable, disposable, and expendable assemblies to provide customized operational characteristics for a rocket launched therewith.... | 05/25/1993 |
| 5212339 | Explosive laser light initiation of propellants A improved initiator for artillery shell using an explosively generated laser light to uniformly initiate the propellent. A small quantity of a high explosive, when detonated, creates a high pressure and temperature, causing the surrounding noble gas to f... | 05/18/1993 |
| 5113763 | Consumable igniter for a solid rocket motor A consumable igniter for a solid rocket motor comprises a substantially spherical reinforced thin case (111) and a combustible charge, in the form of a layer (112), lining the internal surface of the case, with the combustible charge and the case defining... | 05/19/1992 |
| 5035112 | Non-continuous ignition train A pyrotechnic ignition train for use in dual nozzle rocket-ramjet missiles herein a donor device and a receptor charge in the train allow transfer of a pyrotechnic impulse across an air gap between an outer nozzle and an inner concentric nozzle to allow ig... | 07/30/1991 |
| 5022306 | Method of ejecting an interceptor missile from its silo Disclosed is a method for ejecting an interceptor missile from the silo in hich it is stored. The method employs an ultrahigh-burning rate (e.g., burning rate 10-20 inches per second) booster solid propellant grain in combination with a fuse or a combinati... | 06/11/1991 |
| 5007236 | Removable rocket motor igniter An igniter which is removably insertable in a rocket motor nozzle throat. The igniter includes a sleeve which has a body portion and a plurality of flexible and frangible tab members extending axially from one end of the body portion and spaced circumfere... | 04/16/1991 |
| 4999997 | Radial pulse motor igniter-sustain grain A radial pulse rocket motor having a nozzle at the aft end includes longitudinally spaced hollow boost and sustain propellant grains in the combustion chamber thereof with an elongated tubular thermal barrier covering substantially the whole of the interi... | 03/19/1991 |
