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:
Sep. 25, 2018
Filed:
Dec. 15, 2014
Applicants:
Justin P. Widmer, Battle Ground, IN (US);
Gabriel E. Widmer, West Lafayette, IN (US);
Inventors:
Justin P. Widmer, Battle Ground, IN (US);
Gabriel E. Widmer, West Lafayette, IN (US);
Assignee:
DAYTON-PHOENIX GROUP, INC., Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 7/02 (2006.01); F04D 29/54 (2006.01); F04D 29/32 (2006.01); F04D 19/00 (2006.01); F04D 25/08 (2006.01); B60L 1/02 (2006.01);
U.S. Cl.
CPC ...
B60L 7/02 (2013.01); F04D 29/542 (2013.01); F04D 29/545 (2013.01); F04D 29/547 (2013.01); B60L 1/02 (2013.01);
Abstract
A cooling fan vane assembly for a resistor grid may include a duct having a substantially round inlet opening, a substantially rectangular outlet opening, and a side wall extending between the inlet opening and the outlet opening shaped to transition from a substantially round shape to a substantially rectangular shape; the inlet opening including a plurality of radially extending turning vanes; and a frustoconical vane positioned in the duct adjacent a downstream side of the plurality of radially extending vanes.