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. 12, 2013
Filed:
Aug. 16, 2010
Ju Hun Lee, Gwangmyung-si, KR;
Eun Ho Lee, Hwaseong, KR;
Jin-kook Kong, Suwon, KR;
Soo-hyung Woo, Yongin, KR;
Ju Hun Lee, Gwangmyung-si, KR;
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 including a piston, a crankshaft, and a connecting rod may include an eccentric bearing that contacts an exterior circumference of the piston pin, wherein an exterior circumference of the eccentric bearing contacts an interior circumference of a ring formed at the small end of the connecting rod, a ratchet rod slidably coupled inside the piston pin and movable along a longitudinal direction, a variable slider that selectively contacts one of both ends of the ratchet rod, and that is disposed at both sides of a cylinder for pushing the one of both ends of the ratchet rod in an opposite direction, and a guide plate for reciprocally moving both variable sliders along a vertical direction of the ratchet rod.