Patent ID: 11859579
Assignee: TRIAD NATIONAL SECURITY, LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. The decompressive extinguishing plug nozzle of claim 11, further comprising:
one or more springs configured to bias the decompressive extinguishing plug nozzle into the sealed configuration in response to insufficient gas pressure in the combustion chamber of a rocket to move the decompressive extinguishing plug nozzle into the active configuration;
one or more vents, wherein when closed, the one or more vents bias the decompressive extinguishing plug nozzle into the sealed configuration, and when open, the one or more vents bias the decompressive extinguishing plug nozzle into the active configuration; or
one or more movement mechanisms configured to facilitate movement between the active configuration and a decompressive configuration by moving the outer cowl to increase an area of the mechanically variable throat.