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. 02, 2014
Filed:
Mar. 30, 2011
Applicants:
Andrew J Hageman, Dyersville, IA (US);
Brent a Smith, Peosta, IA (US);
Nathan J Horstman, Durango, IA (US);
Neil V Harber, Holly Cross, IA (US);
Inventors:
Andrew J Hageman, Dyersville, IA (US);
Brent A Smith, Peosta, IA (US);
Nathan J Horstman, Durango, IA (US);
Neil V Harber, Holly Cross, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/023 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and device for raising the temperature of exhaust gas from an engine by increasing parasitic loading on the engine without significantly increasing engine speed. This may be accomplished by increasing a demand on a hydraulic fan powered by a variable displacement hydraulic pump and meeting the demand by adjusting the displacement for the variable displacement hydraulic pump.