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:
Jul. 10, 2012
Filed:
Jan. 27, 2010
Dieter Best, Ingelfingen, DE;
Matthias Maschke, Kupferzell, DE;
Erik Reichert, Boxberg, DE;
Martin Kurz, Wüstenrot, DE;
Dieter Best, Ingelfingen, DE;
Matthias Maschke, Kupferzell, DE;
Erik Reichert, Boxberg, DE;
Martin Kurz, Wüstenrot, DE;
EBM-PAPST Mulfingen GmbH & Co. KG, Mulfingen, DE;
Abstract
The invention relates to an electric motor with a stator and an external rotor, comprised of a rotor bell and a rotor cover that acts as a fan wheel. The rotor bell has several apertures in its bell floor. The rotor cover has several exhaust ports. The rotor cover is shaped like a plate and consists of a plate base and an annular wall. The exhaust ports are preferably evenly distributed in the annular wall. The inside of the plate base of the rotor cover that faces the rotor bell has several radially extending interior blades that are fixedly connected to it.