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:
Jan. 24, 2023
Filed:
Aug. 22, 2021
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Marcus Kosse, Kuenzelsau, DE;
Wenjie Song, Shanghai, CN;
Eric Cheng, Shanghai, CN;
Raven Qin, Shanghai, CN;
Erhard Gruber, Satteldorf, DE;
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Abstract
A fan impeller system has a rotor element (), a multiplicity of fan impeller blades () and a multiplicity of adapter elements (). The rotor element () has a multiplicity of receptacles () that are evenly distributed in a circumferential direction (U) with an adapter element (). The adapter element () is arranged between the respective fan impeller blade () and the respective receptacle (). The adapter elements () may differ at least in their shape and/or dimensions. The fan impeller blades () may differ at least in their shape and/or dimensions.