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. 29, 2014
Filed:
Oct. 28, 2009
Dave Charles Weber, Toledo, OH (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Daniel Joseph Styles, Canton, MI (US);
Daniel Joseph Rinkevich, Commerce, MI (US);
Dave Charles Weber, Toledo, OH (US);
Michiel J. Van Nieuwstadt, Ann Arbor, MI (US);
Daniel Joseph Styles, Canton, MI (US);
Daniel Joseph Rinkevich, Commerce, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Various systems and methods are described for operating an engine system having a sensor coupled to an exhaust gas recirculation system in a motor vehicle. One example method comprises during a first operating condition, directing at least some exhaust gas from an exhaust of the engine through the exhaust gas recirculation system and past the sensor to an intake of the engine and, during a second operating condition, directing at least some fresh air through the exhaust gas recirculation system and past the sensor.