Back to results
US 11,787,752 B2Granted
High density hybrid rocket motor
AssigneeTerves, LLC
InventorsAndrew J. Sherman, Brian Werry, Andrew Cortopassi, Eric Boyer
Life of this patent
Estimating the term…
Abstract
A high density, generally recognized as safe, hybrid rocket motor is described, having a density-specific impulse similar to a solid rocket motor, with good performance approaching or equal to a liquid rocket motor. These high density hybrid motors resolve the packaging efficiency/effectiveness problems limiting the application of safe, low cost hybrid motor technology.
Claims11
A fuel that can be used for a rocket motor comprising:
- a. an oxidizer containing greater than 10 wt. % water and an ionic liquid, said ionic liquid having a density of greater than 1.3 g/cc;
- b. a fuel grain fabricated from a polymeric material with a density of at least 1.25 g/cc, said fuel grain contains about 10-50% metal fuel additions, said metal fuel additions including one or more metals selected from the group consisting of aluminum, aluminum-magnesium, magnesium, TiH2, AlMgB14, CaB6, AlB2, MgB2, SiB6, and boron.
A high density hybrid rocket motor which includes:
- a. an oxidizer solution having a density greater than 1.3 g/cc and containing at least 8% water;
- b. a fuel containing an oxygen-containing polymer having a density greater than 1.3 g/cc and containing one or more compounds selected from the group consisting of sorbitol, pentaerythritol triacrylate (PETA), polyoxymethylene (POM), polysaccharide, and carboxylic acid;
- c. a powdered metal fuel additive dispersed in the fuel that includes one or more components selected from the group consisting of aluminum, aluminum-magnesium alloy, titanium, boron, metal hydrides, silicon, and borides;
- and,
- wherein said oxidizer solution is atomized into fuel at pressures exceeding about 200 psig.
2 more elements
Dependencies are inferred from the claim text.