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:
Aug. 13, 2019
Filed:
Jan. 04, 2013
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Ryan T. Ehinger, Irving, TX (US);
David Sembritzky, Grapevine, TX (US);
Carlos A. Fenny, Arlington, TX (US);
Gary A. Cope, Keller, TX (US);
Charles J. Kilmain, Fort Worth, TX (US);
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Abstract
According to one embodiment, a clutch may be coupled between a rotor system and a power train of a rotorcraft. The clutch may be operable to disengage the rotor system from the power train during operation of the power train. A clutch control system in communication with the clutch and include a rotorcraft condition sensor operable to sense an operating condition of the rotorcraft and a control unit operable to prevent the clutch from disengaging the rotor system from the power train if the operating condition of the rotorcraft fails to satisfy a predetermined criterion.