Maryland's Defense Patent Database

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Insensitive gun propellant, ammunition round assembly, armament system, and related methods

Patent image
NSWCIHD

A substantially nitrocellulose-free insensitive gun propellant for barrel-type weapons is provided. The gun propellant includes at least one nitramine, such as HMX and/or RDX, a second energetic, and an inert binder system. The gun propellant is capable of producing a maximum projectile velocity exceeding 2680 ft/sec when fired from a 5 inch 54 caliber gun and gives a response to slow cook-off insensitive munitions testing of Type 4 or higher, and a response to fragment impact insensitive munitions testing of Type 3 or higher as measured by STANAG 4382 and STANAG 4496, respectively. Also provided is an ammunition round assembly, and an armament system.

Inventors: 
Michienzi, Christine M.; Knott, Christine D.; Isle, Brian J.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2008-04-22
Grant Date: 
2014-07-15
Grant time: 
2,275 days
Grant time percentile rank: 
41
Claim count percentile rank: 
2
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY