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:
Jan. 13, 2015
Filed:
Mar. 14, 2013
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Jeffrey Allen Doering, Canton, MI (US);
John Eric Rollinger, Sterling Heights, MI (US);
Danny Zdravkovski, Macomb, MI (US);
Karen Willard, Grosse Pointe Farms, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
F01L 9/04 (2006.01); F01L 13/00 (2006.01);
U.S. Cl.
CPC ...
F01L 13/0036 (2013.01); F01L 2013/001 (2013.01); F01L 2013/0052 (2013.01); F01L 2820/031 (2013.01);
Abstract
Methods are provided for improved control of valve activation/deactivation mechanisms. One example method comprises, adjusting an electromechanical actuator to actuate cylinder valve deactivation/activation mechanisms. The actuator is operated at multiple levels based on engine operating conditions.