System and method of grain ignition and inhibitor release using phase alloy films
US12228097B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 17, 2023 |
| Grant date | Feb 18, 2025 |
| Priority date | — |
| Expiry date | Oct 17, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/99
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Solid rocket motors or ramjets may be provided. Such devices may include a combustion chamber containing at least one fuel, a metal phase alloy film within the combustion chamber, where the metal phase alloy film coupled to the at least one fuel, and an activator operably coupled to the metal phase alloy film, the activator including an electrical activation system, a laser activation system, or an initiator activation system. This allows combined functional features on pulse motors to release inhibitors and ignite solid fuel/propellant. Fast reactions can be achieved by controlling the thickness of the alloys and using multiple layers to achieve the areal energy density. Foils can be rolled and inserted into the fuel/propellant bore. When rolled, it can easily follow the grain bore diameter changes with temperature and provide no additional mechanical loads to the grain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.