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. 27, 2002
Filed:
Jul. 12, 2000
Applicant:
Inventors:
James J. Faletti, Spring Valley, IL (US);
Steven J. Funke, Princeville, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 2/507 ;
U.S. Cl.
CPC ...
F02M 2/507 ;
Abstract
Apparatus and method, particularly suited for a work machine, provides EGR to an internal combustion engine without the addition of special EGR hardware. The invention provides a controlling of a timing of the closing of a first exhaust valve during the exhaust stroke of a first cylinder to trap exhaust gas in the first cylinder for mixing with combustion air in the first cylinder during the intake stroke.