The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 2019
Filed:
Aug. 25, 2016
Aerojet Rocketdyne, Inc., Sacramento, CA (US);
Michael D. Lynch, Rancho Cordova, CA (US);
Richard Johnson, Rancho Cordova, CA (US);
Aerojet Rocketdyne, Inc., Rancho Cordova, CA (US);
Abstract
A rocket motor () includes a nozzle () and a solid propellant section () in communication with the nozzle. The solid propellant section includes a first energetic grain layer () that has a top surface and a bottom surface, and a second energetic grain layer () 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 () therebetween. A powder energetic () is disposed in the region.