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:
May. 01, 2012
Filed:
Jul. 29, 2009
Myung Rae Cho, Incheon, KR;
Hong Wook Lee, Yongin, KR;
Woo Tae Kim, Suwon, KR;
Won Gyu Kim, Seoul, KR;
Jin Woo Cho, Seongnam, KR;
Myung Rae Cho, Incheon, KR;
Hong Wook Lee, Yongin, KR;
Woo Tae Kim, Suwon, KR;
Won Gyu Kim, Seoul, KR;
Jin Woo Cho, Seongnam, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable compression ratio apparatus for varying a compression ratio, may include a connecting rod that is connected to a piston to take a combustion force; a pin link, one end of which is eccentrically connected to a crankshaft and the other end of which is pivotally connected to the connecting rod to form a connection portion therebetween; a slot link including a control slot to receive and guide the connection portion along the control slot; and a driving unit coupled to the slot link and configured to move the control slot to control a position of the connection portion.