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:
Jun. 19, 2001
Filed:
Jul. 13, 1999
John A. Den Besten, Western Springs, IL (US);
Navistar International Transportation Corp., Chicago, IL (US);
Abstract
A linkage between an engine control (,) and vehicle controls, such as a transmission gear selector (,) and/or axle speed selector when the vehicle has a two-speed axle, providing input to the engine control that is additional to engine variable inputs (,) for tailoring engine performance characteristics to selected drive ratios of a drivetrain through which the engine drives the vehicle. The tailored characteristics include particular engine torque curves (FIGS.,, and,) and particular engine speed regulation curves (FIGS.,, and,). As the vehicle quickly accelerates through rated engine speed while the transmission in the lower gears, the driver's notices no feeling of abrupt shut-off. As the vehicle accelerates through the highest gears toward highway speed, the driver can feel sustained pulling effort by the engine.