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:
Jun. 05, 2012
Filed:
Oct. 30, 2008
Applicants:
Richard D. Loehr, Tucson, AZ (US);
Gerald M. Turner, Tucson, AZ (US);
Jeremy C. Danforth, Tucson, AZ (US);
Inventors:
Richard D. Loehr, Tucson, AZ (US);
Gerald M. Turner, Tucson, AZ (US);
Jeremy C. Danforth, Tucson, AZ (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02K 9/08 (2006.01); F02K 9/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is disclosed a solid fuel rocket motor including a center-perforated solid fuel grain. The solid fuel grain may be adapted to burn outwardly from a center surface facing the center perforation when ignited by a primary igniter during a normal mode of operation. The solid fuel grain may be further adapted to burn longitudinally from an end face when ignited by a secondary igniter during a safety mode of operation.