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:
Nov. 03, 2015
Filed:
Dec. 19, 2012
Airbus Helicopters Deutschland Gmbh, Donauworth, DE;
Andree Altmikus, Aurich, DE;
Manuel Kessler, Kirchheim A.N., DE;
Airbus Helicopters Deutschland GmbH, Donauworth, DE;
Abstract
The invention is related to an electrical powered tail rotor () of a helicopter comprising a housing () around the tail rotor (), and at least one permanent magnet energized synchronous motor with a stator () with an increased number of poles (). Said at least one synchronous motor is integrated as a torus () around an opening of the housing () encompassing the tail rotor (). Blades () of the tail rotor () are fixed to at least one rotating component () of said at least one synchronous motor. Supply means provide for electric energy to said at least one synchronous motor. Blade pitch control means are provided at the torus ().