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. 06, 2015
Filed:
Apr. 05, 2010
Gerald Kuntze-fechner, Waakirchen, DE;
Gerald Kuntze-Fechner, Waakirchen, DE;
Airbus Helicopters Deutschland GmbH, Donauworth, DE;
Abstract
A rotor blade in a fiber-reinforced composite design for a tail rotor of a rotary wing aircraft (helicopter), with a blade section (') having a blade skin (a, r) and a blade body (b . . . g, s, t), which blade section (′) forms an aerodynamically effective profile, with a blade tip () that faces away from the hub of a drive device of the rotor; and with a coupling section (′) which faces towards the hub, with an attachment device () for a tension-torque-transmission element () and for a control tube () is improved in that the blade section (′) and the coupling section (′) include spar tapes (a . . . g) that go all the way through and that are made of unidirectional fiber material.