Rocket motor with energetic grain having region with energetic disposed therein
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United States of America Patent
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Jul 2, 2019
Grant Date -
Jun 7, 2018
app pub date -
Aug 25, 2016
filing date -
Aug 28, 2015
priority date (Note) -
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Abstract
A rocket motor (20) includes a nozzle (22) and a solid propellant section (24) in communication with the nozzle. The solid propellant section includes a first energetic grain layer (38, 32) that has a top surface and a bottom surface, and a second energetic grain layer (40, 44) that has a top surface and a bottom surface. The second layer is located on top of the first layer. The bottom surface of the second energetic grain layer partially abuts the top surface of the first energetic grain layer, and the bottom surface of the second energetic grain layer and the top surface of the first energetic grain layer define a region (46, 48) therebetween. A powder energetic (49) is disposed in the region.
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