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| Number | Title | Issue Date |
| 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 |
| 6964699 | Rocket motor exhaust scrubber A wet scrubber having a series of chambers for capturing and cooling exhaust gases generated during static test firing of rocket motors. Exhaust gas enters an inlet to a first chamber and is cooled and slowed by a spray solution. HCL gas is condensed and absorbed by... | 11/15/2005 |
| 6178739 | Monopropellant assisted solid rocket engine A monopropellant assisted solid rocket engine of the present invention is comprised of a combination of a solid rocket engine with nitromethane monopropellant injected into the rocket motor. By controlling the rate at which the monopropellant is injected ... | 01/30/2001 |
| 5572864 | Solid-fuel, liquid oxidizer hybrid rocket turbopump auxiliary engine A propulsion thruster (10) includes a solid-fuel, liquid-oxidizer main rocket engine (11), a tank (22) of liquid oxygen, and a turbine (32)-driven pump (30) for pumping liquid oxygen to the main engine. A solid-fuel, liquid-oxidizer auxiliary engine (40) ... | 11/12/1996 |
| 5274998 | Rocket pollution reduction system A system is provided for reducing the emissions of hydrochloric acid (HCl) from solid fuel rockets, especially during ground disposal. An aqueous solution (40, FIG. 2 ) of an alkali metal hydroxide is injected as a mist (50) into the rocket chamber (32) a... | 01/04/1994 |
| 4318270 | Additives for suppressing the radar attenuation of rocket propellant exhaust plumes A method for reducing radar attenuation caused by the formation of free etrons in the exhaust plume of a combusting high impulse rocket propellant which comprises contacting a microwave attenuation reducing additive having at least one element selected f... | 03/09/1982 |
