发明授权
US5735249A Method and system for controlling fuel delivery during engine cranking
失效
用于控制发动机起动期间燃油输送的方法和系统
- 专利标题: Method and system for controlling fuel delivery during engine cranking
- 专利标题(中): 用于控制发动机起动期间燃油输送的方法和系统
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申请号: US887127申请日: 1997-07-02
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公开(公告)号: US5735249A公开(公告)日: 1998-04-07
- 发明人: Alastair William Parke , Jeffrey Allen Doering , Jon Dixon , Michael J. Cullen , Paul Charles Mingo , Robert Matthew Marzonie
- 申请人: Alastair William Parke , Jeffrey Allen Doering , Jon Dixon , Michael J. Cullen , Paul Charles Mingo , Robert Matthew Marzonie
- 申请人地址: MI Dearborn
- 专利权人: Ford Global Technologies, Inc.
- 当前专利权人: Ford Global Technologies, Inc.
- 当前专利权人地址: MI Dearborn
- 主分类号: F02D41/04
- IPC分类号: F02D41/04 ; F02D41/18 ; F02D41/06
摘要:
A method and system for controlling fuel delivery to an individual cylinder of an internal combustion engine during engine cranking compensates for fuel transport dynamics and the actual fuel injected into the cylinder. A plurality of engine parameters are sensed, including engine temperature, inducted air mass per cylinder and number of engine intake events since cranking. A temperature of the engine stored at key-off is determined. A new puddle mass estimate for the cylinder is determined based on the decay ratio of the new puddle mass estimate to the prior puddle mass estimate stored before key-off utilizing the temperature of the engine stored at key-off. A desired fuel mass to be injected into the cylinder is then determined based on the new puddle mass estimate and the plurality of engine parameters.
公开/授权文献
- USD293977S Camera case 公开/授权日:1988-02-02
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