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:
Dec. 13, 2011
Filed:
Nov. 26, 2008
Min Sig Shin, Suwon, 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;
Min Sig Shin, Suwon, 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 is disclosed. An upper connecting rod has one end rotatably connected to a piston so as to reciprocate motion of the piston. A lower connecting rod has one end rotatably connected to the other end of the upper connecting rod. A crankshaft is rotatably mounted at an eccentric position of the lower connecting rod. A control rod has one end rotatably connected to the other end of the lower connecting rod, to control the position of that end of the lower connecting rod. A control shaft is connected to the other end of the control rod, to control the position of that end of the control rod.