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:
Jul. 02, 2019
Filed:
Mar. 08, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Erol Dogan Sumer, Ann Arbor, MI (US);
Yan Wang, Ann Arbor, MI (US);
Mohammad Farid, London, GB;
Dimitar Petrov Filev, Novi, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/344 (2006.01); F01L 1/053 (2006.01); F01L 1/18 (2006.01); F02D 13/02 (2006.01);
U.S. Cl.
CPC ...
F01L 1/3442 (2013.01); F01L 1/053 (2013.01); F01L 1/18 (2013.01); F01L 1/344 (2013.01); F01L 2001/34426 (2013.01); F01L 2201/00 (2013.01); F01L 2800/00 (2013.01); F01L 2820/041 (2013.01); F02D 13/02 (2013.01);
Abstract
Methods and systems are provided for controlling a variable camshaft timing system. In one example, a method may include actuating a camshaft phaser with a camshaft duty cycle determined based on a sampled camshaft position and an estimated camshaft position, the estimated camshaft position determined based on a previously determined camshaft duty cycle.