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. 21, 2023
Filed:
Apr. 08, 2020
Applicant:
Aurora Flight Sciences Corporation, a Subsidiary of the Boeing Company, Manassas, VA (US);
Inventor:
Oliver Daniel Ensslin, Lucerne, CH;
Assignee:
THE BOEING COMPANY, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 11/28 (2006.01); B64C 29/00 (2006.01);
U.S. Cl.
CPC ...
B64C 11/28 (2013.01); B64C 29/0025 (2013.01);
Abstract
A propeller assembly including a shaft having a rotational axis; a plurality of propellers connected to the shaft; means for deploying the plurality of propellers using a centrifugal force generated from a rotation of the shaft, so as to provide vertical thrust during a vertical take-off and landing of the aircraft; and means for restoring the propellers into a stowed configuration.