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:
Sep. 28, 2021
Filed:
Feb. 21, 2020
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 41/06 (2006.01); F02B 37/18 (2006.01); F02P 5/04 (2006.01); F02P 5/15 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0007 (2013.01); F02B 37/183 (2013.01); F02D 41/064 (2013.01); F02P 5/045 (2013.01); F02P 5/15 (2013.01); F02D 2200/021 (2013.01); F02D 2200/0802 (2013.01); F02D 2200/101 (2013.01);
Abstract
A method for operating an engine that includes a turbocharger with a wastegate is described. In one example, the method includes oscillating a position of the wastegate during cold engine starting as a function of a speed of an engine. The wastegate position may be adjusted to follow a square wave, sinusoidal wave, or triangle wave.