| 发明名称 |
METHOD FOR CALCULATING OXYZEN CONCENTRATION IN COMBUSTION CHAMBER |
| 摘要 |
Provided is a method for calculating an oxygen concentration in a combustion chamber, including: calculating volume efficiency of the combustion chamber while a variable valve lift is in an on state and the volume efficiency of the combustion chamber and the volume of internal EGR from the volume of the combustion chamber while the variable valve lift is in an off state; and calculating a mass of the internal EGR from the pressure of an exhaust manifold, the temperature of the exhaust manifold, and the volume of the internal EGR. |
| 申请公布号 |
US2017009710(A1) |
申请公布日期 |
2017.01.12 |
| 申请号 |
US201514956081 |
申请日期 |
2015.12.01 |
| 申请人 |
HYUNDAI MOTOR COMPANY |
发明人 |
LEE JangSu;HAN Seungcheol |
| 分类号 |
F02M26/47;F02M26/01;F02D35/02;F02D21/08;F02D35/00 |
主分类号 |
F02M26/47 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for calculating an oxygen concentration in a combustion chamber, the method comprising:
calculating a volume efficiency of the combustion chamber while a variable valve lift is in an on state and calculating the volume efficiency of the combustion chamber and a volume of an internal EGR from a volume of the combustion chamber while the variable valve lift is in an off state; and calculating a mass of the internal EGR from a pressure of an exhaust manifold, a temperature of the exhaust manifold, and the volume of the internal EGR. |
| 地址 |
Seoul KR |
