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:
Nov. 06, 2012
Filed:
Jul. 30, 2009
Jae Sang Lee, Suwon, KR;
Ki Wook Byeon, Hwaseong, KR;
Jae Sang Lee, Suwon, KR;
Ki Wook Byeon, Hwaseong, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable compression ratio apparatus for a vehicle engine that is mounted at the engine receiving combustion force of an air-fuel mixture from a piston and rotating a crankshaft mounted between upper and lower cylinder blocks, and that changes compression ratio of the air-fuel mixture by changing a mounting height of the crankshaft according to a driving condition of the engine, may include a bearing having a hollow space eccentric to a center thereof and rotatably mounted between the upper and lower cylinder blocks, the crankshaft being rotatably inserted in the hollow space; and an operating unit provided at the lower cylinder block and controlling a rotational displacement of the bearing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile