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:
Jul. 07, 2020
Filed:
Mar. 14, 2017
Applicant:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Inventors:
Carlos Fenny, Fort Worth, TX (US);
Thomas Dewey Parsons, Fort Worth, TX (US);
Erik John Oltheten, Fort Worth, TX (US);
Assignee:
BELL HELICOPTER TEXTRON INC., Fort Worth, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/82 (2006.01); B64C 27/04 (2006.01); G05D 1/08 (2006.01);
U.S. Cl.
CPC ...
B64C 27/82 (2013.01); B64C 27/04 (2013.01); G05D 1/0858 (2013.01); B64C 2027/8209 (2013.01); B64C 2027/8227 (2013.01); B64C 2027/8254 (2013.01); B64C 2220/00 (2013.01);
Abstract
The present invention includes an a plurality of first variable speed motors arranged in a first matrix pattern and mounted on a tail boom of the helicopter; one or more fixed pitch blades attached to each of the plurality of first variable speed motors; and wherein a speed of one or more of the plurality of first variable speed motors is varied to provide an anti-torque thrust.