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:
Jan. 11, 2022
Filed:
Nov. 19, 2019
Applicant:
Airbus Helicopters Deutschland Gmbh, Donauworth, DE;
Inventor:
Tobias Ries, Nordendorf, DE;
Assignee:
AIRBUS HELICOPTERS DEUTSCHLAND GMBH, Donauworth, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/78 (2006.01); B64C 27/82 (2006.01); B64C 27/57 (2006.01);
U.S. Cl.
CPC ...
B64C 27/57 (2013.01); B64C 27/78 (2013.01); B64C 27/82 (2013.01); B64C 2027/8254 (2013.01);
Abstract
A rotor comprises at least two rotor blades, and each rotor blade of the at least two rotor blades rotates around a rotor axis and performs pitching around a pitch axis. The rotor axis and the pitch axis intersect in a rotor center. The rotor is characterized in that each rotor blade comprises at least one permanent magnet having a first spherical magnet surface. Each rotor blade further comprises a pitch control apparatus for controlling the pitching of the at least two rotor blades. The pitch control apparatus comprises electrically controlled magnets having a second spherical magnet surface.