US Patent 9828089 Rotor drive systems for rotorcraft
Patent 9828089 was granted and assigned to Sikorsky Aircraft on November, 2017 by the United States Patent and Trademark Office.
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Patent abstract
A rotor drive system includes a mast defining a rotation axis, an electric motor with a stator portion fixed to the stationary mast, a rotor portion rotatably relative to the stator portion, and a clutch disposed along the rotation axis and connected to the rotor portion of the electric motor. A rotor assembly is rotatable about the rotation axis and operably connected to clutch such that, when rotational speed of the rotor assembly exceeds rotational speed of the rotor portion of the electric motor, the clutch disengages the rotor assembly from the electric motor rotor portion.
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Patent Inventor Names
Jonathan Hartman0
Timothy F. Lauder0
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Patent Citations Received
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US Patent 09828089 Rotor drive systems for rotorcraft US Patent 9828089 Rotor drive systems for rotorcraft
Infobox
Patent Number
098280890
Patent Number
98280890
Edits on 25 Apr, 2023
Golden AI
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
098280890
Date of Patent
November 28, 2017
0Patent Application Number
150109700
Date Filed
January 29, 2016
0Patent Primary Examiner
Edits on 16 Jan, 2022
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US Patent 09828089 Rotor drive systems for rotorcraft
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09828089
Date of patent
November 28, 2017
Patent application number
15010970
Date Filed
January 29, 2016
Patent primary examiner
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