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:
Apr. 11, 2017
Filed:
Apr. 24, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Freeman Carter Gates, Bloomfield Hills, MI (US);
Dennis Vroman, Saint Clair Shores, MI (US);
Fadi Maroun Naddaf, Macomb Township, MI (US);
Gitanjli McRoy, Ann Arbor, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 21/08 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 21/08 (2013.01); F02D 41/0072 (2013.01); F02D 41/0052 (2013.01); F02D 2021/083 (2013.01); F02D 2200/0406 (2013.01); Y02T 10/47 (2013.01);
Abstract
Systems are provided for EGR mass and air mass estimation during steady state and transient operations. By utilizing a combination sensor comprising of a manifold absolute pressure sensing element and a differential pressure sensing element sharing a common pressure chamber with connections to the intake manifold, errors in EGR mass estimation may be reduced.