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. 13, 2014
Filed:
Dec. 11, 2012
Hyundai Motor Company, Seoul, KR;
Eun Ho Lee, Suwon-si, KR;
Jin Kook Kong, Suwon-si, KR;
Dong Seok Lee, Suwon-si, KR;
Soo Hyung Woo, Yongin-si, KR;
Yoonsik Woo, Yongin-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion.