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.

Date of Patent:
Aug. 26, 2025

Filed:

May. 20, 2021
Applicant:

X-bow Launch Systems Inc., Albuquerque, NM (US);

Inventors:

Jason Hundley, Albuquerque, NM (US);

Mark Kaufman, Auburn, CA (US);

Michael Mcpherson, Socorro, NM (US);

Assignee:

X-Bow Launch Systems, Inc., Albuquerque, NM (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02K 9/72 (2006.01); B64G 1/40 (2006.01); F02K 9/10 (2006.01); F02K 9/18 (2006.01); F02K 9/24 (2006.01); F02K 9/28 (2006.01);
U.S. Cl.
CPC ...
F02K 9/72 (2013.01); B64G 1/404 (2013.01); F02K 9/10 (2013.01); F02K 9/18 (2013.01); F02K 9/24 (2013.01); F02K 9/28 (2013.01);
Abstract

A rocket motor comprising a non-permeable outer shell, an intra-wall channel between the non-permeable outer shell and an annular section, and a center chamber formed at least in part by a first propellant is disclosed. The first propellant is made up of a multi-grained fuel grain, and the center chamber is further formed by an annular section. The intra-wall channel is configured to permit combustion gases to flux between the non-permeable outer shell and the annular section. The annular section configured to permit combustion gases to flux through pores embedded within the annular section.


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