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:
Apr. 25, 2017
Filed:
Jul. 15, 2011
Applicants:
Jens Hamann, Fürth, DE;
Hans-georg Köpken, Erlangen, DE;
Dietmar Stoiber, Fürth, DE;
Inventors:
Assignee:
SIEMENS AKTIENGESELLSCHAFT, München, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 27/82 (2006.01); F01D 25/16 (2006.01); H02K 7/09 (2006.01); H02K 21/24 (2006.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
F01D 25/16 (2013.01); B64C 27/82 (2013.01); H02K 7/09 (2013.01); H02K 21/24 (2013.01); B64C 2027/8209 (2013.01); H02K 7/14 (2013.01);
Abstract
The invention relates to a drive () of a tail rotor () of a helicopter () by a permanently excited transversal flux machine in duplex arrangement in such a way that between two stators (), which each have a toroidal winding system (), there is arranged a disc-shaped impeller (), which has permanent magnets () and on the outer circumference of which propeller blades () of the tail rotor () are arranged.