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:
May. 01, 2018
Filed:
Feb. 05, 2015
Audi Ag, Ingolstadt, DE;
Marco Willems, Ingolstadt, DE;
AUDI AG, Ingolstadt, DE;
Abstract
A rotational damper includes a damper housing surrounding an electromagnetic damper motor and connected to a first mass via a fastening part; a coupling lever supported for pivoting relative to the damper housing and connected with a second mass; a strain wave gear mechanism for damping vibrations and including a rigid unit having an internal spline and being connected with the damper housing, and a flexible unit having an external spline and being fastened with the fastening part, wherein the first and second units are coupled with each other via the internal and external splines; a wave generator rotatably supported in the flexible unit, wherein a rotation of the wave generator causes a deformation of the flexible unit; and a wrap spring connected on one side in rotative fixed relationship with the coupling lever, and on another side connected in rotative fixed relationship with the fastening part, wherein at a predetermined pivoting of the coupling lever relative to the fastening part the wrap spring deforms the flexible unit thereby blocking the strain wave gear mechanism.