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. 25, 2020
Filed:
Nov. 13, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Tae-Gon Noh, Busan, KR;
Seung-Mook You, Gyeonggi-co, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
F02M 1/00 (2006.01); F02D 41/00 (2006.01); F02D 41/24 (2006.01); F02D 41/14 (2006.01); F02M 25/08 (2006.01); F02D 41/08 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0042 (2013.01); F02D 41/0032 (2013.01); F02D 41/0045 (2013.01); F02D 41/08 (2013.01); F02D 41/1455 (2013.01); F02D 41/2454 (2013.01); F02M 25/08 (2013.01);
Abstract
A method for controlling an air-fuel ratio in an idle purge-off mode is provided. The method includes stopping feedback for an amount of fuel for a particular period of time when idle purging is terminated and performing freeze control with a constant lambda control value.