Invention Grant
US5278762A Engine control apparatus using exhaust gas temperature to control fuel
mixture and spark timing
失效
发动机控制装置采用废气温度控制燃料混合和火花定时
- Patent Title: Engine control apparatus using exhaust gas temperature to control fuel mixture and spark timing
- Patent Title (中): 发动机控制装置采用废气温度控制燃料混合和火花定时
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Application No.: US670787Application Date: 1991-03-19
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Publication No.: US5278762APublication Date: 1994-01-11
- Inventor: Takeshi Kawamura
- Applicant: Takeshi Kawamura
- Applicant Address: JPX
- Assignee: Nissan Motor Company, Limited
- Current Assignee: Nissan Motor Company, Limited
- Current Assignee Address: JPX
- Priority: JPX2-69751 19900322
- Main IPC: F02D23/00
- IPC: F02D23/00 ; F02D37/02 ; F02D41/02 ; F02D41/14 ; F02D43/00 ; F02D45/00 ; F02P5/15 ; F02M51/00
Abstract:
An engine control apparatus for changing the air/fuel ratio of an air-fuel mixture supplied to the engine to a richer value each time the exhaust gas temperature exceeds a target value while the engine is operating at high-speed and high-load conditions. During the air/fuel ratio control, the timing of the sparks supplied to the engine is changed, in relation to the changed air/fuel ratio, to retain the engine output torque at a uniform value.
Public/Granted literature
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