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:
Jul. 18, 2017
Filed:
Jul. 19, 2013
Applicant:
Airbus Defence and Space Gmbh, Ottobrunn, DE;
Inventor:
Peter Jaenker, Riemerling, DE;
Assignee:
Airbus Defence and Space GmbH, Ottobrunn, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 41/00 (2006.01); B64D 35/02 (2006.01); B64C 27/00 (2006.01); B64C 27/12 (2006.01);
U.S. Cl.
CPC ...
B64D 35/02 (2013.01); B64C 27/006 (2013.01); B64C 27/12 (2013.01); B64D 41/00 (2013.01); B64C 2027/125 (2013.01);
Abstract
A drive system for a helicopter includes a main drive for driving a rotor the helicopter, a flywheel mass battery including at least one flywheel, a first transmission coupling the flywheel mass battery with the main drive such that, during operation of the main drive, output can be transferred from the main drive to the flywheel mass battery, and a second, variable transmission connecting the flywheel mass battery to the rotor of the helicopter such that a predetermined output can be transferred to the rotor through adjustment of a transmission ratio of the variable transmission.