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:
Oct. 27, 2020

Filed:

Nov. 02, 2018
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Dong-Hoon Lee, Gunpo-si, KR;

Seung-Mook You, Hwaseong-si, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/08 (2006.01); F02D 41/02 (2006.01); F02D 41/12 (2006.01); F01N 3/20 (2006.01); F01N 9/00 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0885 (2013.01); F01N 3/08 (2013.01); F01N 3/20 (2013.01); F01N 9/00 (2013.01); F01N 11/00 (2013.01); F02D 41/0275 (2013.01); F02D 41/0295 (2013.01); F02D 41/126 (2013.01); F01N 2260/04 (2013.01); F01N 2430/00 (2013.01); F01N 2900/08 (2013.01); F02D 2200/021 (2013.01); F02D 2200/023 (2013.01);
Abstract

A method for catalyst purge control may include the steps of: performing, by a catalyst purge electronic control unit (ECU), catalyst purge control based on engine temperature; calculating an estimated engine temperature the catalyst purge ECU when fuel-cut is completed, and controlling, by the catalyst purge ECU, an amount of purge fuel injected by an injector based on the estimated engine temperature for the catalyst purge control.


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