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. 28, 2020
Filed:
Jul. 25, 2016
Applicant:
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Inventors:
Kenichiro Ogata, Hitachinaka, JP;
Yoshinobu Arihara, Hitachinaka, JP;
Hisahiro Ooba, Hitachinaka, JP;
Assignee:
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/02 (2006.01); F02D 13/02 (2006.01); F02D 15/02 (2006.01); F02D 15/04 (2006.01); F02D 37/02 (2006.01); F02D 43/00 (2006.01); F01N 3/10 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0255 (2013.01); F01N 3/101 (2013.01); F02D 13/0215 (2013.01); F02D 15/02 (2013.01); F02D 15/04 (2013.01); F02D 37/02 (2013.01); F02D 43/00 (2013.01); F02D 2700/035 (2013.01);
Abstract
Provided is an engine control device that can suppress an increase in PM/PN in an engine that performs a catalyst warm-up mode. To do so, the engine control device according to the present invention synchronously controls ignition timing and an actual compression ratio of the engine in the catalyst warm-up mode.