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:
Aug. 27, 2019
Filed:
Mar. 27, 2018
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Juergen Stief, Aachen, DE;
Werner Willems, Aachen, DE;
Guohui Chen, Aachen, DE;
Claudia Herudek, Aachen, DE;
Frank Wunderlich, Herzogenrath, DE;
Christian Vigild, Aldenhoven, DE;
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 9/02 (2006.01); F02M 26/52 (2016.01); F02B 35/00 (2006.01); F01L 13/00 (2006.01); F02D 9/04 (2006.01); F02D 17/00 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0087 (2013.01); F02D 9/02 (2013.01); F02D 41/0002 (2013.01); F02D 41/0082 (2013.01); F01L 2013/001 (2013.01); F02B 35/00 (2013.01); F02D 9/04 (2013.01); F02D 17/00 (2013.01); F02D 2009/0272 (2013.01); F02D 2009/0279 (2013.01); F02M 26/52 (2016.02);
Abstract
Methods and systems are provided for reducing pumping losses during a partial deactivation. In one example, a method may include applying negative pressure to a deactivated cylinder group to remove gases trapped therein while an activated cylinder group continues to combust.