公开(公告)号：US07726270B2

公开(公告)日：2010-06-01

申请号：US12353359

申请日：2009-01-14

申请人： Koji Miwa ,  Yoshiaki Atsumi ,  Hiroshi Kanai ,  Hajime Ando

发明人： Koji Miwa ,  Yoshiaki Atsumi ,  Hiroshi Kanai ,  Hajime Ando

IPC分类号： F01L1/34 ,  F02N11/00 ,  F02N11/08 ,  F02N11/10

CPC分类号： B60W20/10 ,  B60K6/445 ,  B60L2240/423 ,  B60L2240/445 ,  B60W20/00 ,  B60W2510/0676 ,  B60W2510/0685 ,  B60W2550/12 ,  B60W2710/083 ,  F02D13/0238 ,  F02D2041/0012 ,  F02D2200/023 ,  F02N11/10 ,  F02N11/108 ,  F02N19/004 ,  Y02T10/18 ,  Y02T10/6239 ,  Y02T10/642

摘要： When cranking is started, a control unit of an ECU determines an advance amount by which an intake valve closing timing is advanced from a fully retarded position toward a bottom dead center, and transmits the determined advance amount to a variable valve timing mechanism. After cranking is started, the control unit determines that there is an abnormality in the variable valve timing mechanism, when the advance amount is larger than 0, and when an actual intake valve closing timing, determined using an intake cam angle from a cam angle sensor and a crank angle from a crank angle sensor, is not advanced from the fully retarded position. When it is determined that there is an abnormality in the variable valve timing mechanism, the control unit outputs a control signal to an inverter to increase an output torque of a motor, which is a driving source for cranking.

摘要翻译： 当启动起动时，ECU的控制单元确定进气门关闭正时从完全延迟位置向下死点前进的提前量，并将确定的提前量发送到可变气门正时机构。 在起动开始之后，控制单元判定可变气门正时机构发生异常时，当提前量大于0时，并且当使用来自凸轮角传感器的进气凸轮角度确定的实际进气门关闭正时 并且来自曲柄角传感器的曲柄角不从完全延迟位置前进。 当确定可变气门正时机构中存在异常时，控制单元向逆变器输出控制信号，以增加作为起动驱动源的电动机的输出转矩。

公开(公告)号：US20090183706A1

公开(公告)日：2009-07-23

申请号：US12353359

申请日：2009-01-14

申请人： Koji Miwa ,  Yoshiaki Atsumi ,  Hiroshi Kanai ,  Hajime Ando

发明人： Koji Miwa ,  Yoshiaki Atsumi ,  Hiroshi Kanai ,  Hajime Ando

IPC分类号： F02N17/00

CPC分类号： B60W20/10 ,  B60K6/445 ,  B60L2240/423 ,  B60L2240/445 ,  B60W20/00 ,  B60W2510/0676 ,  B60W2510/0685 ,  B60W2550/12 ,  B60W2710/083 ,  F02D13/0238 ,  F02D2041/0012 ,  F02D2200/023 ,  F02N11/10 ,  F02N11/108 ,  F02N19/004 ,  Y02T10/18 ,  Y02T10/6239 ,  Y02T10/642

摘要： When cranking is started, a control unit of an ECU determines an advance amount by which an intake valve closing timing is advanced from a fully retarded position toward a bottom dead center, and transmits the determined advance amount to a variable valve timing mechanism. After cranking is started, the control unit determines that there is an abnormality in the variable valve timing mechanism, when the advance amount is larger than 0, and when an actual intake valve closing timing, determined using an intake cam angle from a cam angle sensor and a crank angle from a crank angle sensor, is not advanced from the fully retarded position. When it is determined that there is an abnormality in the variable valve timing mechanism, the control unit outputs a control signal to an inverter to increase an output torque of a motor, which is a driving source for cranking.

摘要翻译： 当启动起动时，ECU的控制单元确定进气门关闭正时从完全延迟位置向下死点前进的提前量，并将确定的提前量发送到可变气门正时机构。 在起动开始之后，控制单元判定可变气门正时机构发生异常时，当提前量大于0时，并且当使用来自凸轮角传感器的进气凸轮角度确定的实际进气门关闭正时 并且来自曲柄角传感器的曲柄角不从完全延迟位置前进。 当确定可变气门正时机构中存在异常时，控制单元向逆变器输出控制信号，以增加作为起动驱动源的电动机的输出转矩。