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. 02, 2011
Filed:
Feb. 16, 2010
Jason Aaron Lupescu, Ypsilanti, MI (US);
Daniel Joseph Styles, Canton, MI (US);
James Michael Kerns, Trenton, MI (US);
Michael James Uhrich, West Bloomfield, MI (US);
Stephen B. Smith, Livonia, MI (US);
David A. May, Dearborn, MI (US);
Jason Aaron Lupescu, Ypsilanti, MI (US);
Daniel Joseph Styles, Canton, MI (US);
James Michael Kerns, Trenton, MI (US);
Michael James Uhrich, West Bloomfield, MI (US);
Stephen B. Smith, Livonia, MI (US);
David A. May, Dearborn, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
Systems and methods are provided for operating an engine exhaust system. In one example, a system comprises a first valve, and a second valve coupled to the first valve via a shaft. A first position of the shaft situates the first valve closed and the second valve open, a second position situates the second valve closed and the first valve open by a first amount, and a third position situates the second valve closed and the first valve open by a second, larger amount.