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:
Nov. 22, 2022
Filed:
May. 27, 2021
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Daniel Gebert, Ă–hringen, DE;
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Abstract
A fan wheel () has a bottom disc (), a cover disc () and impeller blades () arranged around a rotation axis (RA) of the fan wheel (). The blades, in each case, extend over a blade length from a blade leading edge () to a blade trailing edge (). The impeller blades () are divided into a front section (), rear section () and transition section (). The front section (), extends proceeding from the blade leading edge () in the direction of the blade trailing edge (). The rear section () extends proceeding from the blade trailing edge (), in the direction of the blade leading edge (). The transition section () forms a transition between the front section () and the rear section (). The impeller blades () are formed with opposite curvature in the course from the bottom disc () to the cover disc () in the front section () and the rear section ().