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:
Mar. 06, 2001
Filed:
Apr. 27, 1999
Heinz Weiss, Bensheim, DE;
Ronnie Franklin Burk, Waterloo, IA (US);
Deere & Company, Moline, IL (US);
Abstract
A control system for internal combustion engines of an agricultural tractor include a memory unit in which is stored engine performance maps. The control system includes a vehicle speed sensor and transmits control signals to an electronically controlled fuel injection system to control the fuel injection quantity as a function of sensed speed, target value inputs and as a function of the engine performance maps. The control system, in response to sensed vehicle speed, limits the maximum engine output as a function of the vehicle speed. In particular, at lower vehicle speeds the engine output is limited to a level which is lower than the rated engine output.