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. 03, 2015
Filed:
Oct. 10, 2012
Ford Global Technologies, Llc, Dearborn, MI (US);
Jianwen James Yi, Canton, MI (US);
Steven Wooldridge, Saline, MI (US);
Brad Alan VanDerWege, Plymouth, MI (US);
Shiyou Yang, Ann Arbor, MI (US);
Thomas A. McCarthy, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Various embodiments related to controlling EGR in an engine are disclosed. In one embodiment, a first EGR amount is supplied to a cylinder at a first temperature and a first engine speed and load. Further, at the first engine speed and load, as engine temperature increases from the first temperature to a second temperature, a first fuel amount is injected after exhaust valve closing and before intake valve opening while a second EGR amount is supplied to the cylinder that is greater than the first EGR amount.