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:
Jul. 22, 2014
Filed:
Jun. 20, 2012
Wonjin JO, Hwaseong-si, KR;
Hyunjun Hong, Anyang-si, KR;
Youngjic Kim, Yongin-si, KR;
Kimin Park, Hwaseong-si, KR;
Jerok Chun, Hwaseong-si, KR;
Wonjin Jo, Hwaseong-si, KR;
Hyunjun Hong, Anyang-si, KR;
Youngjic Kim, Yongin-si, KR;
Kimin Park, Hwaseong-si, KR;
Jerok Chun, Hwaseong-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
Included may be a crankshaftless internal combustion engine, including a power shaft unit in which a transferring path of a power system may be selected depending on a deactivated state and an activated state of a cylinder, a cylinder separator separating a power system of the deactivated cylinder from the power shaft unit by control of an ECU operated by a deactivated cylinder and an activated cylinder, and a compression changing unit varying a compression ratio of the activated cylinder in multistage.