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:
Jun. 14, 2022
Filed:
May. 28, 2019
Applicant:
Ziehl-abegg SE, Künzelsau, DE;
Inventors:
Frieder Loercher, Braunsbach, DE;
Lothar Ernemann, Heilbronn, DE;
Assignee:
ZIEHL-ABEGG SE, Künzelsau, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/54 (2006.01); F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
F04D 29/542 (2013.01); F04D 29/522 (2013.01);
Abstract
A fan, such as an axial, radial, or diagonal fan, includes a fan impeller and an outlet guide device located in a housing/flow channel downstream of the fan impeller. The outlet guide device may include outlet guide blades that, when viewed in the spanwise direction or radial direction, extend over only a portion of the flow area.