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:
Nov. 19, 2019

Filed:

Dec. 12, 2017
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Dong-Hoon Lee, Gyeonggi-do, KR;

Byung-Hoon Cho, Seoul, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 9/00 (2006.01); F01N 3/08 (2006.01); F01N 3/20 (2006.01); F01N 3/10 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
F01N 9/002 (2013.01); F01N 3/0814 (2013.01); F01N 3/0864 (2013.01); F01N 3/0885 (2013.01); F01N 3/101 (2013.01); F01N 3/20 (2013.01); F01N 9/00 (2013.01); F01N 11/007 (2013.01); F01N 2260/04 (2013.01); F01N 2550/02 (2013.01); F01N 2550/03 (2013.01); F01N 2560/025 (2013.01); F01N 2900/08 (2013.01); F01N 2900/1624 (2013.01);
Abstract

A method for detecting catalyst deterioration in a vehicle includes executing a fuel-cut mode of an engine of the vehicle according to a operating state of the vehicle; calculating an oxygen storage capacity (OSC) of a catalyst using an oxygen sensor during the executing of the fuel-cut mode of the engine; and calculating catalyst deterioration based on the calculated OSC.


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