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    • 1. 发明申请
    • CONTROLLER AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE
    • 内燃机控制器及控制方法
    • WO2014030043A3
    • 2014-04-17
    • PCT/IB2013001775
    • 2013-08-14
    • TOYOTA MOTOR CO LTDNOMURA MITSUHIRO
    • NOMURA MITSUHIRO
    • F02D41/04F01L1/352F02D13/02F02D41/00
    • F02D13/0219F01L1/352F01L2001/3522F02D41/042F02D2041/001Y02T10/18
    • A controller for an internal combustion engine apparatus equipped with a variable valve timing system being configured to change an operation timing of at least one of an intake valve and an exhaust valve. The controller includes an electronic control unit. The electronic control unit is configured to control an electric motor and drive the variable valve timing system within a stop period from after the internal combustion engine is stopped till the engine is started after the stop. The electronic control unit is configured to be maintained at power-on state when a temperature of at least one component of the electric motor and the drive circuit thereof is higher than a predetermined temperature even if the electronic control unit is required to be power-off state, in order to prevent the overheating of the electric motor of the variable valve timing system or its drive circuit.
    • 一种配备有可变气门正时系统的内燃机装置的控制器,其配置为改变进气门和排气门中的至少一个的操作定时。 控制器包括电子控制单元。 电子控制单元被配置为在从内燃机停止之后到停止后发动机起动的停止时段内控制电动机并驱动可变气门正时系统。 电子控制单元被配置为当电动马达及其驱动电路的至少一个部件的温度高于预定温度时保持在通电状态,即使电子控制单元被要求断电 状态,以防止可变气门正时系统或其驱动电路的电动机的过热。
    • 10. 发明申请
    • VARIABLE VALVE TIMING APPARATUS AND CONTROL METHOD THEREOF
    • 可变阀定时装置及其控制方法
    • WO2007142322A1
    • 2007-12-13
    • PCT/JP2007/061595
    • 2007-06-01
    • TOYOTA JIDOSHA KABUSHIKI KAISHADENSO CORPORATIONNOMURA, MitsuhiroURUSHIHATA, Haruyuki
    • NOMURA, MitsuhiroURUSHIHATA, Haruyuki
    • F01L1/344F02D13/02F02B75/10
    • F01L1/344F01L2001/0537F01L2103/02F01L2800/03F01L2820/032F02D13/0238Y02T10/18
    • In valve timing control after issuance of an engine stop instruction (YES at S100) with a prescribed value (CA#) set as a target phase (S110), an ECU delays permission of an engine stop process (S130) within a prescribed time period (NO at step S140) while an intake valve phase (IV(q)) has not yet reached the target value (CA#) (NO at S120), so that a valve timing control operation is continued (S150) while the engine operation is continued in an idle state. After the lapse of a prescribed time period from the issuance of the engine stop instruction (YES at S140), however, the ECU permits the engine stop process (S130) no matter whether the intake valve phase has reached the target value (CA#) or not. As a result, the amount of valve timing that can be changed by the valve timing control in the engine stop operation can be increased, without causing any uncomfortable feeling of the driver.
    • 在以规定值(CA#)设定为目标相位(S110)的发动机停止指示(S100为“是”)后的气门正时控制中,ECU在规定时间内延迟发动机停止处理的许可(S130) (步骤S140中为“否”),而进气阀相位(IV(q))尚未达到目标值(CA#)(S120为否),从而在发动机运转中继续进行气门正时控制动作(S150) 在空闲状态下继续。 然而,在从发动机停止指令发出规定的时间段(S140为“是”)之后经过了规定的时间段后,无论进气门相达到目标值(CA#),ECU允许发动机停止处理(S130) 或不。 结果,可以增加可以通过发动机停止操作中的气门正时控制而改变的气门正时的量,而不会引起驾驶员的任何不适感。