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:
Sep. 22, 2015

Filed:

Dec. 08, 2011
Applicants:

Heungseok Lee, Seoul, KR;

Chang Kook Chae, Suwon-si, KR;

Sukil OH, Suwon-si, KR;

Wan Soo OH, Yongin-si, KR;

Jin Hyun Kim, Seoul, KR;

Koo Tae Kang, Seoul, KR;

Kwang Min Won, Gunpo-si, KR;

Inventors:

Heungseok Lee, Seoul, KR;

Chang Kook Chae, Suwon-si, KR;

Sukil Oh, Suwon-si, KR;

Wan Soo Oh, Yongin-si, KR;

Jin Hyun Kim, Seoul, KR;

Koo Tae Kang, Seoul, KR;

Kwang Min Won, Gunpo-si, KR;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); F02D 41/08 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0052 (2013.01); F02D 41/0055 (2013.01); F02D 41/08 (2013.01); F02D 2041/0022 (2013.01); F02D 2200/021 (2013.01); F02D 2200/0414 (2013.01); F02D 2200/101 (2013.01); F02D 2200/501 (2013.01); F02D 2200/602 (2013.01); Y02T 10/47 (2013.01);
Abstract

An idle throttle valve control method of a diesel vehicle, may include a first step of determining whether an idle entry condition of the vehicle may be satisfied, a second step of controlling a throttle valve based on an air amount map and controlling an exhaust gas recirculation (EGR) valve based on an EGR map, when the first step may be satisfied, a third step of determining whether an idle release condition may be satisfied during the second step, and a fourth step of determining whether an EGR return condition may be satisfied, when the idle release condition may be satisfied in the third step.


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