发明授权
- 专利标题： Fuel cut-off control system in fuel injection internal combustion engine with automatic power transmission
- 专利标题（中）： 燃油喷射内燃机燃油切断控制系统，具有自动动力传动
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申请号： US420951申请日： 1982-09-21
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公开(公告)号： US4539643A公开(公告)日： 1985-09-03
- 发明人: Tadashi Suzuki , Yoshiro Morimoto , Hideo Hamada , Masaaki Suga , Takashi Murasugi
- 申请人： Tadashi Suzuki , Yoshiro Morimoto , Hideo Hamada , Masaaki Suga , Takashi Murasugi
- 申请人地址： JPX Yokohama
- 专利权人： Nissan Motor Company, Limited
- 当前专利权人： Nissan Motor Company, Limited
- 当前专利权人地址： JPX Yokohama
- 优先权： JPX56-154755 19811001; JPX56-160313 19811009
- 主分类号： B60W10/06
- IPC分类号： B60W10/06 ; B60W10/10 ; B60W30/18 ; F02D41/12 ; F16H61/00 ; G05D27/00 ; G05D29/00 ; F02B75/12 ; F02D33/00
摘要：
A fuel cut-off control can prolong a period of time in which the engine speed is maintained at a range suitable for performing fuel cut-off and shorten a period of time in which the engine speed is in a fuel recovery range to minimize fuel consumption during engine deceleration. In a fuel cut-off control system in a fuel injection internal combustion engine with an automatic transmission, the fuel cut-off control system is responsive to a brake switch signal and an engine speed signal having a value above a fuel recovery threshold to decrease the value of a fuel cut-off threshold to again perform the fuel cut-off even in the normal fuel recovery range. Down shifting of a transmission gear is performed to increase engine speed to a level beyond the fuel cut-off threshold to prolong the fuel cut-off period.
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