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.

Date of Patent:
Apr. 04, 2023

Filed:

Apr. 22, 2021
Applicant:

Leonardo S.p.a., Rome, IT;

Inventor:

Luigi Maria Bottasso, Samarate, IT;

Assignee:

LEONARDO S.P.A., Rome, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/46 (2006.01); B64C 27/04 (2006.01); B64C 27/59 (2006.01); B64C 27/72 (2006.01);
U.S. Cl.
CPC ...
B64C 27/463 (2013.01); B64C 27/04 (2013.01); B64C 27/59 (2013.01); B64C 27/72 (2013.01); B64C 2027/7211 (2013.01);
Abstract

A rotor for a hover-capable aircraft is described that comprises: a hub rotatable about a first axis and at least two blades hinged to the hub; each blade comprises a main portion hinged to the hub and a tip portion, which is arranged radially outermost with respect to first axis with respect to the corresponding main portion; the tip portion of each blade is movable with respect to the corresponding main portion of that blade; the tip portion of each blade is selectively movable with respect to the corresponding main portion of that blade between a first position, in which it defines a dihedral or anhedral angle with respect to the corresponding main portion; and a second position, in which it defines a positive or negative sweep angle with respect to the corresponding main portion.


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