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:
Mar. 01, 2022
Filed:
Jan. 22, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Sumanth Reddy Dadam, Dearborn, MI (US);
Hani Mohammad Ayesh, Canton, MI (US);
Vinod Kumar Ravi, Canton, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 1/16 (2006.01);
U.S. Cl.
CPC ...
F01N 1/166 (2013.01); F01N 2390/02 (2013.01); F01N 2900/10 (2013.01); F01N 2900/12 (2013.01);
Abstract
Methods and systems are provided for adjusting a position of an exhaust valve that regulates engine exhaust noise. In one example, the position of the exhaust valve is adjusted according to a road grade estimate. The road grade estimate may be based on a vehicle's present position on a road or a position that is a distance away from the vehicle's present position.