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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.:

US 10316811 B1

PDFFull Text
Date of Patent:
Jun. 11, 2019

Filed:

Nov. 09, 2016

Method for guaranteeing driving performance of engine and hybrid electric vehicle thereof

Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventor:

Seok-Min Jeong, Gyeonggi-do, KR;

Assignees:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Attorneys:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Peter F. Corless

Primary Examiner:

Khoi H Tran

Assistant Examiner:

Robert T Nguyen

Int. Cl.
CPC ...
F02N 11/10 (2006.01); F02N 11/08 (2006.01); B60K 6/48 (2007.10); B60W 50/00 (2006.01); B60W 10/02 (2006.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60W 20/50 (2016.01); F02N 11/04 (2006.01);
U.S. Cl.
CPC ...
F02N 11/108 (2013.01); B60K 6/48 (2013.01); B60W 10/02 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 20/50 (2013.01); B60W 50/0098 (2013.01); F02N 11/0803 (2013.01); F02N 11/0862 (2013.01); B60K 2006/4825 (2013.01); B60W 2050/0096 (2013.01); F02N 11/04 (2013.01); F02N 2200/023 (2013.01); F02N 2200/026 (2013.01); F02N 2200/042 (2013.01); F02N 2200/063 (2013.01); F02N 2200/0806 (2013.01); F02N 2200/101 (2013.01); F02N 2300/2011 (2013.01); Y02T 10/6221 (2013.01); Y02T 10/6252 (2013.01); Y02T 10/6286 (2013.01);
Abstract

A method for guaranteeing starting performance of an engine for maintaining driving performance is provided. The method includes executing a quasi-failure mode in which the engine is changed to a driving state when an engine cranking apparatus state is maintained equal to or less than a threshold for a predetermined period of time. As a result, the engine is driven in the quasi-failure mode while the hybrid vehicle is driven in the EV mode to prevent the vehicle system from being aggravated and fundamentally preventing the degradation in the stability of the vehicle causing driver discomfort.

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