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.:
Date of Patent:
Feb. 25, 2020
Filed:
Dec. 04, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Seungbum Kim, Seongnam-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A method and apparatus for diagnosing an engine system are provided. An apparatus for diagnosing an engine system including a continuous variable valve duration (CVVD) apparatus according to an exemplary embodiment of the present invention may include: an accelerator pedal position detector configured for detecting a position of an accelerator pedal; a brake pedal position detector configured for detecting a position of a brake pedal; a vehicle speed detector configured for detecting a speed of a vehicle; an intake pressure detector configured for detecting an intake pressure; and a controller configured for determining whether a fuel cut condition is satisfied and determining whether the CVVD apparatus is in a failure state when the fuel cut condition is satisfied.