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:
Dec. 17, 2013
Filed:
Jun. 20, 2012
Jei Choon Yang, Yongin-si, KR;
Byong Young Choi, Bucheon-si, KR;
Young Hong Kwak, Suwon-si, KR;
Wonjun Lee, Hwaseong-si, KR;
Jin Kook Kong, Suwon-si, KR;
Soo Hyung Woo, Yongin-si, KR;
Jei Choon Yang, Yongin-si, KR;
Byong Young Choi, Bucheon-si, KR;
Young Hong Kwak, Suwon-si, KR;
Wonjun Lee, Hwaseong-si, KR;
Jin Kook Kong, Suwon-si, KR;
Soo Hyung Woo, Yongin-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
An electro-hydro valve lift system may include a drive cam, a pump piston, a first and a second EHV apparatus, a first oil control valve, a first oil control hydraulic line fluid-communicating the main chamber with the first oil control valve, a second oil control hydraulic line fluid-communicating the first oil control valve with the first EHV apparatus, a third oil control hydraulic line fluid-communicating the main chamber with the second EHV apparatus, a fourth oil control hydraulic line selectively fluid-communicated with the second oil control hydraulic line according to the first oil control valve, an accumulator fluid-communicated with the fourth oil control hydraulic line, and a second oil control valve disposed on the fourth oil control hydraulic line, wherein the fourth oil control hydraulic line is fluid-communicated with the third oil control hydraulic line according to the second oil control valve.