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:
Jun. 23, 2020

Filed:

Jan. 16, 2019
Applicant:

Raytheon Company, Waltham, MA (US);

Inventors:

Matt H. Summers, Gilbert, AZ (US);

James Kendall Villarreal, Tucson, AZ (US);

David A. Smallwood, Oro Valley, AZ (US);

Richard Dryer, Oro Valley, AZ (US);

John M. Hitner, Oro Valley, AZ (US);

Assignee:

Raytheon Company, Waltham, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41F 3/04 (2006.01); F42B 15/10 (2006.01); F41F 3/045 (2006.01);
U.S. Cl.
CPC ...
F41F 3/0413 (2013.01); F41F 3/0455 (2013.01); F42B 15/10 (2013.01);
Abstract

A missile includes a rocket motor that has a flow deflector in an expansion region of the rocket motor's nozzle. The flow deflector diverts flow of combustion products away from a safe region that is aft of the missile. The safe region protects an operator of a launcher used to fire the missile, such as a shoulder-fired launcher, from harm caused by the combustion products. The flow deflector may be small enough such that it does not significantly adversely affect the performance of the rocket motor. The presence of the flow diverter may allow for the rocket motor to be started sooner in the flight of the missile, or at a distance closer to the operator, while still keeping the operator safe. The flow deflector and supporting structure, such as struts, may be additively manufactured with at least an aft part of the nozzle, as a continuous single-piece part.


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