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:
Sep. 10, 2013
Filed:
Oct. 10, 2011
Gerald Hechler-stabbert, Berlin, DE;
Alexander Pabst, Berlin, DE;
Gerald Hechler-Stabbert, Berlin, DE;
Alexander Pabst, Berlin, DE;
Abstract
A drive shaft, in particular a radial shaft for a gas-turbine engine, includes a metallic and hollow shaft shankwith load transfer elementsintegrally formed onto its ends. The shaft shankincludes a metal tubeprefabricated as a semi-finished part, designed only for transmission of torsional loads and having a constant wall thickness. An outer or inner reinforcementintended only for ensuring the necessary bending stiffness is provided on the outer and/or inner circumferential surface of the metal tubeand made from a fiber-composite layer' with fibers oriented in the longitudinal direction of the drive shaft. The inner fiber-composite layeracting as outer reinforcementis sheathed with an outer fiber-composite layermade from fibers oriented at an angle of 60° to 90° relative to the longitudinal direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile