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. 19, 2022
Filed:
Feb. 24, 2020
Ebm-papst St. Georgen Gmbh & Co. KG, St. Georgen, DE;
Roland Keber, Worth, DE;
Tobias Sieger, Geisingen, DE;
Wolfgang Laufer, Aichhalden, DE;
Jürgen Herr, St. Georgen, DE;
Arnold Schulde, VS-Schwenningen, DE;
Georg Eimer, St. Georgen, DE;
Martin Müller, Freudenstadt, DE;
Dominik Haas, Hardt, DE;
Simon Hoppe, St. Georgen, DE;
Julien Grilliat, Villingen-Schwenningen, DE;
Johannes Dannecker, Schonach, DE;
Clemens Günter, Schramberg, DE;
ebm-papst St. Georgen GmbH & Co. KG, St. Georgen, DE;
Abstract
An axial ventilator () has a housing () and a fan wheel () arranged in the housing () to generate an axial air flow through the housing (). The fan wheel () has multiple fan wheel blades () that extend radially outward from a hub () up to a respective blade tip (). The blades extend spaced apart from an inner wall of the housing () via a head gap (). The fan wheel blades () have boreholes () along the respective blade tip ().