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:
Mar. 29, 2022
Filed:
Oct. 12, 2018
Bell Helicopter Textron Inc., Fort Worth, TX (US);
Robert Glenn Vaughn, Keller, TX (US);
Michael J. Ryan, Colleyville, TX (US);
Brent Randal Achttien, Watauga, TX (US);
Kirk L. Groninga, Keller, TX (US);
Daniel B. Robertson, Southlake, TX (US);
Matthew Edward Louis, Fort Worth, TX (US);
Textron Innovations Inc., Fort Worth, TX (US);
Abstract
A rotor system is provided in one example embodiment and may include a rotor duct; at least one rotor blade, wherein the at least one rotor blade comprises a tip end; and a tip extension affixed at the tip end of the at least one rotor blade, wherein the tip extension comprises a plurality of flexible elements and the rotor blade has a fixed extended length based on the tip extension. The tip extension may provide a clearance distance between the tip extension and the rotor duct.