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. 22, 2018
Filed:
Mar. 19, 2014
Ebm-papst St. Georgen Gmbh & Co. KG, St. Georgen, DE;
Sergej Helbling, Villingen-Schwenningen, DE;
EMB-PAPST ST. GEORGEN GmbH & CO. KG., St. Georgen, DE;
Abstract
An electric motor () features a external stator (), an internal rotor () rotatably mounted within the external stator, the rotor having a lamination stack (″) composed of a plurality of rotor plates (″) in which are formed at least one first recess () and at least one second recess (), a rotor magnet () being located in each first recess (), the second recess () being associated with a jamming element () mounted therein. A clamping member () is arranged between the first recess () and the second recess (). The clamping member and the second recess () are shaped so as to enable support of the jamming element () on the lamination stack, and to permit application of a force (F) on the clamping member in the direction of the rotor magnet. The second recess () serves as a through-opening for receiving a shaft (), and the shaft () serves as the jamming element ().