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:
Feb. 16, 2021
Filed:
Dec. 14, 2018
Applicant:
Ebm-papst Mulfingen Gmbh & Co. KG, Mulfingen, DE;
Inventors:
Alexander Konzal, Igersheim, DE;
Erhard Gruber, Satteldorf, DE;
Assignee:
ebm-papst Mulfingen GmbH & Co. KG, Mulfingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/02 (2006.01); F04D 29/22 (2006.01); F04D 29/30 (2006.01); F04D 29/62 (2006.01);
U.S. Cl.
CPC ...
F04D 29/282 (2013.01); F04D 29/023 (2013.01); F04D 29/2222 (2013.01); F04D 29/281 (2013.01); F04D 29/30 (2013.01); F04D 29/626 (2013.01);
Abstract
A fan wheel disc has at least one region that extends in a curved manner, at least in some sections, from radially inside to radially outside. A blade attachment surface is formed at least in some sections. The blade attachment fixedly connects an axial end side of at least one fan wheel blade. The blade attachment surface extends, at least in some sections, within the curved region of the fan wheel disc within a two-dimensional connecting plane.