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:
Dec. 08, 2020
Filed:
May. 31, 2018
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Assignee:
ABB Schweiz AG, Baden, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/22 (2006.01); F04D 29/30 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01); H02K 9/14 (2006.01); H02K 9/06 (2006.01); F16H 57/04 (2010.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
F04D 29/2238 (2013.01); F04D 29/281 (2013.01); F04D 29/30 (2013.01); F04D 29/4226 (2013.01); F04D 29/444 (2013.01); H02K 9/06 (2013.01); H02K 9/14 (2013.01); F16H 57/0416 (2013.01); F16H 2057/02026 (2013.01);
Abstract
A system includes a machine; a centrifugal fan, the centrifugal fan having a plurality of centrifugal fan blades and being constructed to generate a cooling airflow for cooling the machine; and an axial flow inducer disposed on the plurality of centrifugal fan blades, wherein the axial flow inducer is constructed generate an axial flow through a central portion of the centrifugal fan.