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. 04, 2018
Filed:
Oct. 01, 2014
Ebm-papst St. Georgen Gmbh & Co. KG, St. Georgen, DE;
Andreas Ginter, Schramberg-Heiligenbronn, DE;
Markus Flaig, Hardt, DE;
EBM-PAPST St. Georgen GmbH & Co. KG, St. Georgen, DE;
Abstract
An electric motor has an internal stator () and an external rotor (). The external rotor () has a rotor housing () and a plurality of magnets () mounted therein and is adapted to rotate around a rotation axis (); the magnets () are preferably bar magnets; the rotor housing () has an inner surface (), a first end (), and a second end () located opposite the first end () and the inner surface defines respective receiving surfaces () for reception of the magnets. each receiving surface features a channel depression () to receive a magnet (). The magnets () are each fastened on a respective one of the receiving surfaces () with the aid of an adhesive mounting agent (). A first bearing seat () for reception of a first bearing cage () is formed at the second end () of the rotor housing ().