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:
Nov. 27, 2012
Filed:
Feb. 09, 2009
Erik L. Piper, Columbus, IN (US);
Philip M. Dimpelfeld, Columbus, IN (US);
Santiago A. Durango, Dunlap, IL (US);
Russell P. Durrett, Bloomfield, MI (US);
Erik L. Piper, Columbus, IN (US);
Philip M. Dimpelfeld, Columbus, IN (US);
Santiago A. Durango, Dunlap, IL (US);
Russell P. Durrett, Bloomfield, MI (US);
Cummins IP, Inc., Minneapolis, MN (US);
Abstract
An apparatus, system, and method are disclosed for efficiently operating an engine utilizing exhaust gas recirculation (EGR). The apparatus includes an exhaust manifold receiving exhaust gas from a first cylinder set, an EGR manifold receiving exhaust gas from a second cylinder set, and a passage comprising a variable restriction. The passage fluidly couples the exhaust manifold to the EGR manifold. The apparatus further includes a controller with modules for interpreting engine operating conditions and controlling actuators in response to the engine operating conditions.