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:
Jan. 30, 2024
Filed:
Dec. 01, 2021
Applicant:
Goodrich Corporation, Charlotte, NC (US);
Inventors:
Brian Wilson, Vacaville, CA (US);
Kaylyn Beseler, Verona, WI (US);
Assignee:
GOODRICH CORPORATION, Charlotte, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 25/10 (2006.01); F02K 9/34 (2006.01); F02K 9/12 (2006.01); F02K 9/18 (2006.01); F02K 9/28 (2006.01); F02K 9/26 (2006.01);
U.S. Cl.
CPC ...
B64D 25/10 (2013.01); F02K 9/12 (2013.01); F02K 9/18 (2013.01); F02K 9/26 (2013.01); F02K 9/28 (2013.01); F02K 9/346 (2013.01);
Abstract
A solid propellant propulsion motor may comprise: a forward propellant grain extending along a longitudinal axis of a motor case between a forward end of the motor case and a first burn inhibitor layer in the motor case; the first burn inhibitor layer disposed axially adjacent to the forward propellant grain; an aft propellant grain disposed axially adjacent to the first burn inhibitor layer; a second burn inhibitor layer disposed axially adjacent to an aft end of the aft propellant grain; and an ablative material layer disposed on a radially inner surface of the aft propellant grain.