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:
Aug. 30, 2016
Filed:
Jul. 24, 2006
Applicants:
Brian Eugene Holthaus, Waterloo, IA (US);
Dick J. Goering, Cedar Falls, IA (US);
Inventors:
Brian Eugene Holthaus, Waterloo, IA (US);
Dick J. Goering, Cedar Falls, IA (US);
Assignee:
Deere & Company, Moline, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 28/00 (2006.01); F02D 21/08 (2006.01); F02D 23/00 (2006.01); F02D 41/14 (2006.01); F02D 41/24 (2006.01);
U.S. Cl.
CPC ...
F02D 21/08 (2013.01); F02D 23/005 (2013.01); F02D 41/1497 (2013.01); F02D 41/2422 (2013.01); F02D 2250/18 (2013.01); F02D 2250/26 (2013.01); Y02T 10/144 (2013.01);
Abstract
A method of operating an internal combustion engine includes the steps of: determining an upper torque curve at which exhaust emissions from the internal combustion engine are acceptable; determining a lower torque curve at which exhaust emissions from the internal combustion engine are acceptable; and operating the internal combustion engine using a command torque curve ranging between the lower torque curve as a lower limit and the upper torque curve as an upper limit.