发明申请
US20130146002A1 ELECTRO-HYDRAULIC VARIABLE VALVE LIFT SYSTEM 有权
电动液压可变阀提升系统

ELECTRO-HYDRAULIC VARIABLE VALVE LIFT SYSTEM
摘要:
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.
公开/授权文献
信息查询
0/0