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:
Feb. 13, 2018
Filed:
Feb. 06, 2014
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Brian Modrzejewski, Keller, TX (US);
Ken Shundo, Keller, TX (US);
Frank B. Stamps, Colleyville, TX (US);
David Popelka, Colleyville, TX (US);
J. Scott Drennan, Dallas, TX (US);
Michael E. Rinehart, Euless, TX (US);
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Abstract
An aircraft includes a first rotor assembly, a second rotor assembly, and a rotor phase angle control system. The system includes a phase adjustor operably associated with the first rotor assembly and the second rotor assembly. The method includes sensing vibrations exerted on the aircraft and offsetting a phase angle of the first rotor assembly and the second rotor assembly to minimize the vibrations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile