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:
Jun. 07, 2022
Filed:
Apr. 07, 2020
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventor:
Bon-Chang Koo, Gyeonggi-do, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/06 (2006.01); F02D 41/40 (2006.01); F02D 41/30 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/064 (2013.01); F02D 41/402 (2013.01); F02D 41/3094 (2013.01); F02D 41/401 (2013.01); F02D 2041/389 (2013.01); F02D 2200/021 (2013.01); F02D 2200/0602 (2013.01);
Abstract
A cold start split injection control method is provided. The method includes a split injection controller which determines cold start conditions of an engine system, an injection mode control which performs a cold start split injection by an operation of an injector and an injection malfunction diagnostic control which performs an injection malfunction diagnostic with any one or more among an injector opening angle, an injector operating time, and the number of injector operation times which are measured through the fuel injection of the injector.