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. 02, 2018
Filed:
Jun. 05, 2014
Applicant:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Inventors:
Joseph M. Schaeffer, Cedar Hill, TX (US);
Jignesh Patel, Trophy Club, TX (US);
Eric O'Neill, Hurst, TX (US);
Assignee:
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/00 (2006.01); B64C 27/04 (2006.01); G05D 1/08 (2006.01);
U.S. Cl.
CPC ...
B64C 27/04 (2013.01); G05D 1/0858 (2013.01);
Abstract
A method of limiting vertical axis augmentation in a rotorcraft, the method comprising: measuring a torque with a sensor; deriving a comparison of the torque to a lower torque limit, using a computer processor; and adjusting a vertical axis control command based upon the comparison of the torque to the lower torque limit.