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:
Nov. 02, 2021
Filed:
Jan. 18, 2019
Applicant:
Deere & Company, Moline, IL (US);
Inventor:
Shaun J. Miller, Woodward, IA (US);
Assignee:
DEERE & COMPANY, Moline, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/36 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); F04D 29/70 (2006.01);
U.S. Cl.
CPC ...
F04D 29/368 (2013.01); F04D 19/005 (2013.01); F04D 29/325 (2013.01); F04D 29/703 (2013.01); F05D 2240/30 (2013.01); F05D 2260/74 (2013.01); F05D 2270/303 (2013.01);
Abstract
A fan assembly that has a fan hub having a plurality of blades extending radially therefrom and having a variable pitch and a controller in communication with the fan assembly to reposition a pitch of the plurality of blades. The controller establishes a variable maximum pitch of the plurality of blades based on an ambient temperature.