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. 24, 2002
Filed:
Jul. 13, 2000
Kevin P. Duffy, East Peoria, IL (US);
Brian G. McGee, Chillicothe, IL (US);
Matthew R. Roth, Metamora, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
An apparatus and method for controlling a multi-shot fuel injection signal during certain acceleration and deceleration conditions when a predetermined threshold emissions limit will be exceeded, the apparatus and method including an electronic controller coupled to the electronically controlled fuel injectors of the engine and operable to recognize the certain acceleration or deceleration conditions based upon certain sensed engine performance parameters. The controller is further operable to eliminate or disable one or more fuel shots associated with a multi-shot fuel injection signal to control emissions when the certain acceleration or deceleration conditions are recognized.