发明申请
- 专利标题: CYLINDER INTAKE AIR AMOUNT CALCULATING APPARATUS FOR INTERNAL COMBUSTION ENGINE
- 专利标题(中): 气缸内置燃油发动机的空气量计算装置
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申请号: US13148058申请日: 2010-01-14
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公开(公告)号: US20110295525A1公开(公告)日: 2011-12-01
- 发明人: Toshinori Tsukamoto , Naoki Oie , Todd Robert Luken
- 申请人: Toshinori Tsukamoto , Naoki Oie , Todd Robert Luken
- 申请人地址: JP Tokyo
- 专利权人: HONDA MOTOR CO., LTD.
- 当前专利权人: HONDA MOTOR CO., LTD.
- 当前专利权人地址: JP Tokyo
- 优先权: JP2009-034473 20090217
- 国际申请: PCT/JP2010/050359 WO 20100114
- 主分类号: G01F1/86
- IPC分类号: G01F1/86 ; G06F19/00
摘要:
A cylinder intake air amount calculating apparatus for an internal combustion engine for calculating a cylinder intake air amount which is an amount of fresh air sucked into a cylinder of the engine, is provided. An intake air flow rate, which is a flow rate of fresh air passing through an intake air passage of the engine, is obtained, and an intake pressure and an intake air temperature of the engine are detected. A theoretical cylinder intake air amount is calculated based on the intake pressure, the intake air temperature, and a volume of the cylinder. A volumetric efficiency of the engine is calculated by dividing a preceding calculated value of the cylinder intake air amount by the theoretical cylinder intake air amount. The cylinder intake air amount is calculated using the volumetric efficiency, the intake air flow rate, and the preceding calculated value of the cylinder intake air amount.