US 12,228,097 B2
System and method of grain ignition and inhibitor release using phase alloy films
Guy B. Spear, Warrenton, VA (US)
Assigned to SPARC RESEARCH LLC, Warrenton, VA (US)
Filed by SPARC Research LLC, Warrenton, VA (US)
Filed on Oct. 17, 2023, as Appl. No. 18/380,892.
Claims priority of provisional application 63/416,731, filed on Oct. 17, 2022.
Prior Publication US 2024/0125290 A1, Apr. 18, 2024
Int. Cl. F02K 9/95 (2006.01); F02K 9/28 (2006.01); F02K 9/34 (2006.01)
CPC F02K 9/95 (2013.01) [F02K 9/28 (2013.01); F02K 9/346 (2013.01); F05D 2260/99 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A solid rocket motor or ramjet, comprising:
a combustion chamber containing at least one fuel;
a grain ignition component consisting of a metal phase alloy film within the combustion chamber, the metal phase alloy film configured to ignite 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.