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:
Feb. 27, 2018
Applicant:
Airbus Helicopters Deutschland Gmbh, Donauworth, DE;
Inventors:
Uwe Kiesewetter, Rain am Lech, DE;
Sebastian Mores, Munich, DE;
Marius Bebesel, Augsburg, DE;
Rupert Pfaller, Riemerling, DE;
Assignee:
AIRBUS HELICOPTERS DEUTSCHLAND GMBH, Donauworth, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 11/00 (2006.01); B64C 11/48 (2006.01); B64C 27/20 (2006.01); B64C 9/14 (2006.01); B64C 27/08 (2006.01); B64C 39/02 (2006.01);
U.S. Cl.
CPC ...
B64C 11/001 (2013.01); B64C 9/14 (2013.01); B64C 11/48 (2013.01); B64C 27/08 (2013.01); B64C 27/20 (2013.01); B64C 39/024 (2013.01); B64C 2201/027 (2013.01); B64C 2201/108 (2013.01); B64C 2201/162 (2013.01); B64C 2201/165 (2013.01); B64D 2241/00 (2013.01);
Abstract
A thrust producing unit for producing thrust in a predetermined direction, comprising at least two rotor assemblies and a shrouding that accommodates at most one of the at least two rotor assemblies, wherein the shrouding defines a cylindrical air duct that is axially delimited by an air inlet region and an air outlet region, and wherein the air inlet region exhibits in circumferential direction of the cylindrical air duct an undulated geometry.