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. 24, 2015
Filed:
Jul. 06, 2012
William J. Love, Dunlap, IL (US);
Frank Lombardi, Metamora, IL (US);
Daniel R. Puckett, Peoria, IL (US);
Kiran S. Prakash, Dunlap, IL (US);
Aaron L. Thomas, Dunlap, IL (US);
William J. Love, Dunlap, IL (US);
Frank Lombardi, Metamora, IL (US);
Daniel R. Puckett, Peoria, IL (US);
Kiran S. Prakash, Dunlap, IL (US);
Aaron L. Thomas, Dunlap, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
A method for fault diagnosis in a fuel injection system having first and second fuel injectors. The method includes initiating a current flow in the first and second fuel injectors. Further, a rise duration of the current flow to reach a threshold level is measured. The method further includes comparing the rise duration and a preset duration. The fuel injection system is controlled based on the comparison.