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:
Apr. 13, 2004
Filed:
Apr. 02, 2002
Jin-Gi Kim, Jeonju, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A system and method for performing partial cylinder cut-off of an internal combustion engine is provided, the system including a rocker arm including first and second arms that are selectively joined together; a rocker arm connecting unit operated by hydraulic pressure and which performs the operation of selectively joining the first and second arms of the rocker arm; a separation-preventing unit interposed between the rocker arm and the rocker arm connecting unit, the separation-preventing unit preventing the separation of the rocker arm from the rocker arm connecting unit; and a hydraulic pressure supply unit controlled by an electronic control unit to supply and exhaust hydraulic pressure to and from the rocker arm connecting unit, the electronic control unit performing control of the hydraulic pressure supply unit according to comparisons made between received signals of vehicle state and pre-installed data.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile