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. 03, 2020

Filed:

Jul. 15, 2019
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Dong Hee Han, Seoul, KR;

Jong Il Park, Seoul, KR;

Kwanhee Lee, Suwon-si, KR;

Yeongseop Park, Seoul, KR;

Seungwoo Hong, Seoul, KR;

Jaegu Kang, Seoul, KR;

Dong Ho Chu, Yongin-si, KR;

Heechang Oh, Suwon-si, KR;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02D 41/00 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/0087 (2013.01); F02D 41/3818 (2013.01); F02D 2041/0012 (2013.01); F02D 2041/389 (2013.01);
Abstract

An engine system according to an exemplary embodiment of the present invention may include an engine including a plurality of cylinders; a fuel separator separating into a low-octane fuel and a high-octane fuel based on an octane number; a cylinder deactivation device deactivating some cylinders among the plurality of cylinder based on a driving region; a low-octane fuel injector injecting the low-octane fuel separated by the fuel separator into the plurality of cylinder; a high-octane fuel injector injecting the high-octane fuel separated by the fuel separator into the activated cylinders without being deactivated by the cylinder deactivation device; and a controller configured to control the cylinder deactivation device to deactivate some cylinders or activate all the cylinders, and to control the low-octane fuel injector and the high-octane fuel injector to inject the low-octane fuel or the high-octane fuel into the cylinders.


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