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.

Date of Patent:
Feb. 11, 2020

Filed:

Nov. 13, 2017
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventor:

Su-Young Park, Uiwang-si, KR;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 41/22 (2006.01); F02D 41/40 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0085 (2013.01); F02D 41/1497 (2013.01); F02D 41/22 (2013.01); F02D 41/221 (2013.01); F02D 41/40 (2013.01); F02D 41/1498 (2013.01); F02D 2041/224 (2013.01); F02D 2041/228 (2013.01); F02D 2250/24 (2013.01); Y02T 10/40 (2013.01);
Abstract

An engine control apparatus and method in which when an injector malfunction is determined based on a difference in variation of angular velocity of a crankshaft between a plurality of cylinders of a vehicle engine, determining whether the injector malfunctions by avoiding the time when the driving torque of an air compressor is applied or at the time when the influence thereof is reduced, thereby preventing the erroneous determination of whether the injector malfunctions from occurring due to the driving torque of the air compressor connected to the vehicle engine.


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