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公开(公告)号：US12025072B2
公开(公告)日：2024-07-02
申请号：US17917747
申请日：2020-04-08
发明人： Yuzuru Tohta , Kohei Kamiya , Noriaki Ejiri , Tomoaki Kobayashi
CPC分类号： F02D41/401 , F02D41/0235 , F16H61/143 , F02D2200/501 , F02D2200/60 , F16H2061/145
摘要： A control method is provided for controlling an internal combustion engine for a vehicle configured to engage a lockup clutch during a fuel cut, and to decrease a lockup hydraulic pressure at a fuel cut recovery to bring the lockup clutch to a slip engagement. The control method includes estimating a torque of the internal combustion engine generated by the fuel cut recovery when a fuel cut recovery condition is satisfied. The control method further includes decreasing a decrease amount of the lockup hydraulic pressure as the torque is greater.
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公开(公告)号：US12092045B2
公开(公告)日：2024-09-17
申请号：US17632037
申请日：2020-04-08
发明人： Yuzuru Tohta , Kohei Kamiya , Noriaki Ejiri , Tomoaki Kobayashi
CPC分类号： F02D41/0085 , F02D41/0225 , F02D41/029 , F02D41/16 , F02D41/401 , F02D2200/1002 , F02D2200/101 , F02D2200/602 , F02D2250/28
摘要： A control method for an internal combustion engine configured to implement fuel cut in response to becoming zero of an accelerator opening degree during travel of a vehicle, and generate an antiphase torque after the fuel cut by supplying fuel to a cylinder, in order to cancel out vibration of the vehicle caused due to the fuel cut includes setting a timing of generating the antiphase torque to be later than that for normal operation, in response to implementation of the fuel cut under high torque idle operation in which a torque of the internal combustion engine immediately before the fuel cut where the accelerator opening degree is zero is higher than that in the normal operation.
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