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:
Mar. 31, 2015
Filed:
Aug. 23, 2011
Chris E. Geswender, Green Valley, AZ (US);
Paul Vesty, Tucson, AZ (US);
Geoffrey W. Frost, Tucson, AZ (US);
Bruce E. Morgan, Tucson, AZ (US);
Doron Strassman, Vail, AZ (US);
Chris E. Geswender, Green Valley, AZ (US);
Paul Vesty, Tucson, AZ (US);
Geoffrey W. Frost, Tucson, AZ (US);
Bruce E. Morgan, Tucson, AZ (US);
Doron Strassman, Vail, AZ (US);
Raytheon Company, Waltham, MA (US);
Abstract
A spinning, rolling, or roll-stabilized vehicle, such as a projectile, includes a fuselage that rotates about its longitudinal axis (spins) during flight. A collar is positionable relative to the fuselage to steer the projectile, with the collar having ailerons to provide a roll force to position the collar. The collar also has elevators to provide lateral force to steer the projectile. The positioning of the collar may be accomplished by moderating the roll force of the ailerons to hold the position of the collar substantially constant with regard to a longitudinal axis of the projectile. The ailerons passively change angle of attack with changes in the dynamic pressure of the projectile. At low speeds the ailerons have a relatively large angle of attack, and at high speeds, the ailerons resiliently reduce their angles of attack, avoiding large rolling forces on the collar.