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:
Apr. 23, 2019
Filed:
May. 23, 2017
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Gregory Patrick McConville, Ann Arbor, MI (US);
Brad Alan Boyer, Canton, MI (US);
James Douglas Ervin, Novi, MI (US);
Kim Hwe Ku, West Bloomfield, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 17/02 (2006.01); F02B 75/02 (2006.01); F02D 37/02 (2006.01); F02D 41/30 (2006.01); F02D 13/06 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02B 75/02 (2013.01); F02D 13/06 (2013.01); F02D 37/02 (2013.01); F02D 41/0087 (2013.01); F02D 41/307 (2013.01); F02D 41/3064 (2013.01); F02D 17/02 (2013.01); F02D 2250/21 (2013.01);
Abstract
Methods and systems are provided for controlling transitions between engine operating modes in a four-cylinder engine. One method includes transitioning engine operation between two-cylinder, three-cylinder, and four-cylinder modes wherein the transitioning includes a sequence of firing events such that successive firing events are separated by at least 120 crank angle degree intervals.