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:
Mar. 05, 2013
Filed:
Aug. 25, 2010
Eun Ho Lee, Hwaseong, KR;
Jin-kook Kong, Suwon, KR;
Soo-hyung Woo, Yongin, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable compression ratio device that includes a piston, a piston pin, and a connecting rod of which one end is connected to the piston by the piston pin, may include an eccentric ring rotatably coupled in a ring at the one end of the connecting rod, wherein the inner circumference thereof rotatably contacts with the outer circumference of the piston pin, an operating pin that longitudinally reciprocates in the piston pin, variable sliders that selectively contact one of both ends of the operating pin under a cylinder to push the one of both ends to the opposite side, and a guide plate that slidably supports the variable sliders, wherein, one end of a variable shaft selectively rotating is connected to the variable slider and a sliding direction of the variable slider is controlled by the rotation of the variable shaft.