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. 04, 2023
Filed:
Mar. 16, 2022
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Inventors:
Chan Ki Min, Seoul, KR;
Sung Wook Lee, Seongnam-si, KR;
Assignees:
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P 5/04 (2006.01); F02D 37/02 (2006.01);
U.S. Cl.
CPC ...
F02D 37/02 (2013.01); F02P 5/045 (2013.01); F02D 2250/16 (2013.01);
Abstract
An engine ignition timing control method includes: acquiring, by an engine control unit (ECU), intake air humidity of an engine using a humidity sensor; calculating, by the ECU, an amount of first ignition timing correction based on the intake air humidity and an EGR rate; calculating, by the ECU, an amount of second ignition timing correction based on an engine operation region; and correcting, by the ECU, ignition timing of the engine using the amount of first ignition timing correction and the amount of second ignition timing correction.