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    • 2. 发明专利
    • 内燃機関の制御装置
    • 内燃机控制装置
    • JP2014206078A
    • 2014-10-30
    • JP2013083292
    • 2013-04-11
    • トヨタ自動車株式会社Toyota Motor Corp
    • KATO YUSUKEYOKOYAMA TOMONUMAKURA MASAKI
    • F01P7/04F01L1/356F01P7/16F02D13/02F02D17/00
    • Y02T10/18
    • 【課題】第1位相と同第1位相よりも遅角側の第2位相とのいずれかに相対回転位相をロックして機関停止させる制御装置であって、実圧縮比の高い状態で機関始動がなされても、それに起因するプレイグニッションの発生を抑制できる内燃機関の制御装置を提供する。【解決手段】バルブタイミング可変機構では、ハウジングとロータとの相対回転位相が進角室及び遅角室の作動油圧によって変更されて吸気バルブタイミングが変更される。バルブタイミング可変機構には、ハウジングとロータとの相対回転位相を中間位相にロックする第1ロック機構と、最遅角位相にロックする第2ロック機構とが設けられている。第1ロック機構により相対回転位相が中間位相にロックされ(ステップS120:YES)、内燃機関の停止要求に伴って機関停止されたときには(ステップS130:YES)、内燃機関の冷却能力を上昇させる冷却処理が実行される(ステップS140)。【選択図】図3
    • 要解决的问题:提供一种用于内燃机的控制装置,该内燃机在延迟角侧而不是第一相锁定第一相或第二相处的相对旋转相位,从而停止发动机, 即使发动机在实际压缩比的高状态的状态下启动,也可以抑制所得到的预点火的发生。解决方案:在气门正时可变机构中,壳体和转子之间的相对旋转相位 通过提前角室和延迟角室中的工作油压而改变,从而改变进气门正时。 气门正时可变机构包括:第一锁定机构,用于在中间相位处锁定壳体和转子之间的相对旋转相位; 以及用于在最延迟阶段将其锁定的第二锁定机构。 当通过第一锁定机构将相对旋转相位锁定在中间相位时(步骤S120:是),使得根据内燃机的停止需求发动机停止(步骤S130:是),提升冷却处理 执行内燃机的冷却功率(步骤S140)。
    • 3. 发明专利
    • Valve timing adjustment device
    • 阀门时序调整装置
    • JP2014190249A
    • 2014-10-06
    • JP2013066808
    • 2013-03-27
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMONUMAKURA MASAKIKATO YUSUKE
    • F02D13/02F01L1/356F01L13/00
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide a valve timing adjustment device capable of quickly starting an engine operation while suppressing occurrence of preignition, in a case where start of the engine operation is required after occurrence of stall of an internal combustion engine.SOLUTION: A valve timing adjustment device includes a variable mechanism 40 for changing a relative rotation phase of a crank shaft and a cam shaft for an intake valve, and an intermediate lock mechanism 50A for keeping the relative rotation phase at an intermediate phase between the most retarded phase and the most advanced phase. A control device of the valve timing adjustment device controls the relative rotation phase to the relative rotation phase at a retarded side with respect to the intermediate phase, when engine stall is detected in warming an engine.
    • 要解决的问题:提供一种能够在抑制发动机的同时抑制发动机的情况下快速起动发动机的气门正时调节装置,在发动机内燃机发生停机后需要启动发动机的情况。 定时调节装置包括用于改变曲轴的相对旋转相位和用于进气门的凸轮轴的可变机构40,以及用于将相对旋转相位保持在最大延迟相和 最先进的阶段。 气门正时调节装置的控制装置在发动机加热时检测到发动机熄火时,将相对于中间相的延迟侧的相对旋转相位控制在相对旋转相位上。
    • 4. 发明专利
    • Variable valve system of internal combustion engine
    • 内燃机可变阀系统
    • JP2011256771A
    • 2011-12-22
    • JP2010131502
    • 2010-06-08
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMONUMAKURA MASAKI
    • F02D13/02F01L1/356
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide a variable valve system of an internal combustion engine that increases a frequency at which an operation state of a valve-timing variable mechanism is promptly changed from a locked state to a released state after a start of the engine and decreases a frequency at which the internal combustion engine stops without the operation state of the variable mechanism being changed from the released state to the locked state.SOLUTION: The variable valve system includes: the hydraulic valve-timing variable mechanism; and a phase locking mechanism in which a relative rotation phase between input and output rotors constituting the variable mechanism is locked at an intermediate phase. After the start of the engine, when a vehicle speed is higher than "0 km/h", the operation state of the valve-timing variable mechanism is switched from the locked state to the released state.
    • 要解决的问题:提供一种内燃机的可变阀系统,其增加了在开始之后将阀定时可变机构的运转状态从锁定状态迅速变为释放状态的频率 发动机,并且降低内燃机停止的频率,而可变机构的运行状态从释放状态变为锁定状态。

      解决方案:可变阀系统包括:液压阀定时可变机构; 以及相位锁定机构,其中构成可变机构的输入和输出转子之间的相对旋转相位锁定在中间阶段。 在发动机起动之后,当车速高于“0km / h”时,阀定时可变机构的运转状态从锁定状态切换到释放状态。 版权所有(C)2012,JPO&INPIT

    • 5. 发明专利
    • Control device for internal combustion engine
    • 内燃机控制装置
    • JP2011052563A
    • 2011-03-17
    • JP2009200750
    • 2009-08-31
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMONUMAKURA MASAKI
    • F02D13/02F01L1/34F01L13/00
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine, which allows a second rotator drivingly connected to a camshaft to promptly, self-reliantly and relatively rotate up to an intermediate lock phase for starting the engine. SOLUTION: When cranking the internal combustion engine, by stopping one of intake valves canceling out each other torque generated on intake camshafts with driving of valves by intake cams, alternate torque as the whole intake camshafts is increased. As a result, a relative rotation amount of the second rotator accompanying the alternate torque is increased and the second rotator promptly and self-reliantly varies in phase toward the intermediate lock phase. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的控制装置,其允许驱动地连接到凸轮轴的第二旋转器迅速地,自相关地并且相对旋转直到用于起动发动机的中间锁定相。 解决方案:当内燃机起动时,通过由进气凸轮驱动阀,通过停止进气门中的一个取消进气凸轮轴产生的扭矩,作为整个进气凸轮轴的交替扭矩增加。 结果,伴随着交替转矩的第二旋转体的相对旋转量增加,第二旋转体相对于中间锁定相立即自立地自相变。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Variable valve gear of internal combustion engine
    • 内燃机变速齿轮
    • JP2010265773A
    • 2010-11-25
    • JP2009115867
    • 2009-05-12
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMOKAMO YOSHIRONUMAKURA MASAKI
    • F01L1/34F01L13/00
    • PROBLEM TO BE SOLVED: To provide a variable valve gear of an internal combustion engine, reducing the frequency of a time period until engine stop gets long following fixed operation of valve timing in engine stop, and inhibiting the deterioration of responsiveness to a demand for changing the valve timing during engine operation. SOLUTION: The variable valve gear includes a valve timing variable mechanism 40 changing the valve timing VT of an intake valve, a phase fixing mechanism 50 fixing the valve timing VT at an intermediate angle VTmd1 by a fixing pin 51, and a phase restraint mechanism 60 restraining the valve timing VT from changing to a retard side beyond a retard restraint angle VTrgtL by a restraining pin 61. On the presence of an idle operation demand, the operation position of the fixing pin 51 is kept at a release position and the operation position of the restraining pin 61 is kept at a restraining position. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供内燃机的可变气门齿轮,在发动机停止后的气门正时的固定操作之后,减少发动机停止时间长时间的频率,并且抑制对发动机停止的响应性的劣化 要求在发动机运行期间改变气门正时。 解决方案:可变阀齿轮包括改变进气门的气门正时VT的气门正时可变机构40,通过固定销51将中间角VTmd1固定气门正时VT的相位固定机构50,以及相位固定机构 约束机构60通过限制销61限制气门正时VT变为超过延迟约束角VTrgtL的延迟侧。在存在怠速运转要求的情况下,固定销51的操作位置保持在释放位置, 限制销61的操作位置保持在限制位置。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Variable valve gear for internal combustion engine
    • 用于内燃机的变速阀齿轮
    • JP2010249031A
    • 2010-11-04
    • JP2009099333
    • 2009-04-15
    • Toyota Motor Corpトヨタ自動車株式会社
    • NUMAKURA MASAKIYOKOYAMA TOMOKAMO YOSHIRO
    • F01L1/34F16K11/07
    • PROBLEM TO BE SOLVED: To provide a variable valve gear for an internal combustion engine for compatibly controlling a variable valve train and a phase fixing mechanism with a single control valve and accurately fixing a valve timing with the fixing mechanism. SOLUTION: A hydraulic pressure supply device as part of the variable valve gear uses a single oil control valve for controlling the state of supplying/discharging lubricating oil to/from a timing advance chamber 35 and a timing delay chamber 36, and an intermediate chamber of an intermediate lock mechanism 40. The oil control valve has first-fifth modes. In the third mode, it advances a timing and drives the intermediate lock mechanism 40 to be protruded. In the fourth mode, it advances a timing and drives the intermediate lock mechanism 40 to be canceled in the state of setting the amount of supplying the lubricating oil to the valve timing varying mechanism 30 to be smaller than in the third mode. In the fifth mode, it advances a timing and drives the intermediate lock mechanism 40 to be canceled in the state of setting the amount of supplying/discharging the lubricating oil to/from the valve timing varying mechanism 30 to be smaller than in the third mode. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种用于内燃机的可变气门齿轮,用于使用单个控制阀兼容地控制可变气门机构和相位固定机构,并用固定机构精确地固定气门正时。 解决方案:作为可变阀齿轮的一部分的液压供给装置使用单个油控阀来控制向/从定时提前室35和定时延迟室36供给/排出润滑油的状态,以及 中间锁定机构40的中间室。油控制阀具有第五模式。 在第三模式中,它推进了定时并驱动中间锁定机构40突出。 在第四模式中,在将供给到气门正时变化机构30的润滑油的量设定为小于第三模式的状态的状态下,推进定时并驱动中间锁定机构40以被取消。 在第五模式中,在将定时变更机构30中的润滑油供给/排出量设定为小于第三模式的状态的情况下,进行定时驱动而驱动中间锁定机构40而被取消 。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Variable valve gear of internal combustion engine
    • 内燃机变速齿轮
    • JP2010242534A
    • 2010-10-28
    • JP2009089596
    • 2009-04-01
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMOKAMO YOSHIRONUMAKURA MASAKI
    • F02D13/02F01L1/34F01L13/00F02D41/22
    • Y02T10/18Y02T10/40
    • PROBLEM TO BE SOLVED: To provide a variable valve gear of an internal combustion engine which can obtain a regulating mechanism for regulating a delayed angle of valve timing suitable as a result of abnormality diagnosis.
      SOLUTION: The variable valve gear comprises a valve timing variable mechanism 40 for changing valve timing of an intake valve between the most advanced angle and most delayed angle, a phase fixing mechanism 50 for fixing valve timing to an intermediate angle between the most advanced angle and most delayed angle, and a delayed angle regulating mechanism 60 for regulating the change of the valve timing nearer to a delayed angle side than a regulation angle. When no intermediate fixing by the phase fixing mechanism 50 is performed, the abnormality diagnosis of the delayed angle regulating mechanism 60 is executed on the basis of the valve timing after starting the transmission of a delayed angle command for change the valve timing nearer to the delayed angle side than the regulation angle and of a regulation command for maintaining the regulating pin 61 in a projection position.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种内燃机的可变气门齿轮,其可以获得用于调节由于异常诊断而适合的气门正时延迟角度的调节机构。 解决方案:可变阀齿轮包括用于改变进气阀在最高角度和最大延迟角度之间的气门正时的气门正时可变机构40,用于将气门正时固定到最大角度和最大延迟角之间的中间角的相位固定机构50 以及延迟角调节机构60,用于调节比调节角更靠近延迟角侧的气门正时的变化。 在不进行相位固定机构50的中间固定的情况下,延迟角度调节机构60的异常诊断是根据延迟角指令的开始后的气门正时进行的, 以及用于将调节销61保持在突出位置的调节指令。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Variable valve gear for internal combustion engine
    • 用于内燃机的变速阀齿轮
    • JP2010242532A
    • 2010-10-28
    • JP2009089593
    • 2009-04-01
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMOKAMO YOSHIRONUMAKURA MASAKI
    • F01L1/34
    • PROBLEM TO BE SOLVED: To provide a variable valve gear for an internal combustion engine having a function for suppressing valve stamping and a function for fixing a valve timing and capable of suppressing complication of a structure for achieving these functions. SOLUTION: This variable valve gear includes a valve timing variable mechanism 30 for changing the valve timing by operating a phase of relative rotation of a housing rotor 31 and a vane rotor 35, and a restriction mechanism 4 for restricting the range of the relative rotation. The restricting mechanism 4 includes a restriction pin 60 moving between a storage position in which the pin 60 is stored in a vane rotor 35, and first and second projection positions in which the pin 60 is projected from the rotor 35, and a lock hole 41 and a restriction groove 51 provided in the housing rotor 31, in which the restriction pin 60 is fitted at the first and second projection positions, respectively. When the restriction pin 60 is fitted in the lock hole 41, the relative rotational phase is fixed, and when the restriction pin 60 is fitted in the restriction groove 51, the range of the relative rotation is restricted. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有抑制阀冲压功能的内燃机的可变气门齿轮和用于固定气门正时的功能,并且能够抑制用于实现这些功能的结构的复杂性。 解决方案:该可变阀齿轮包括用于通过操作壳体转子31和叶片转子35的相对旋转相位来改变气门正时的气门正时可变机构30,以及限制机构 相对旋转。 限制机构4包括在销60存储在叶片转子35中的存储位置与销60从转子35突出的第一和第二突出位置之间移动的限制销60以及锁定孔41 以及设置在壳体转子31中的限制槽51,其中限制销60分别装配在第一和第二突出位置。 当限制销60装配在锁定孔41中时,相对旋转相位固定,并且当限制销60装配在限制槽51中时,相对旋转的范围受到限制。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Variable valve system of internal combustion engine
    • 内燃机可变阀系统
    • JP2010229854A
    • 2010-10-14
    • JP2009076679
    • 2009-03-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • YOKOYAMA TOMOKAMO YOSHIRONUMAKURA MASAKI
    • F02D13/02F01L1/34
    • Y02T10/18
    • PROBLEM TO BE SOLVED: To provide a variable valve system of an internal combustion engine capable of obtaining an appropriate diagnostic result of an abnormality diagnosis for a regulation mechanism for regulating the retarding of valve timing. SOLUTION: The variable valve system includes a valve timing variable mechanism 40 for changing the valve timing of an intake valve between a maximum advance angle and the maximum retard angle, a phase locking mechanism 50 for locking the valve timing at an intermediate angle, and a phase restriction mechanism 60 for restricting a retard angle to restrict changes of the valve timing to the retard side relative to a retard restriction angle. When the intermediate locking is not performed by the phase locking mechanism 50, the abnormality diagnosis for the phase restriction mechanism 60 is performed based on the valve timing after the start of the transmission of an advance angle command for changing the valve timing to the advance side relative to an advance restriction angle and a restriction command for maintaining a restriction pin 61 at a projecting position. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种内燃机的可变阀系统,其能够获得用于调节阀正时延迟的调节机构的异常诊断的适当诊断结果。 解决方案:可变阀系统包括用于改变进气阀在最大提前角和最大延迟角之间的气门正时的气门正时可变机构40,用于将气门正时锁定在中间角度的相位锁定机构50 以及相位限制机构60,用于限制延迟角度,以限制气门正时相对于延迟限制角的延迟侧的变化。 当相位锁定机构50不进行中间锁定时,相位限制机构60的异常诊断基于将阀正时改变为前进侧的提前角指令开始后的气门正时进行 相对于前进限制角度和用于将限制销61保持在突出位置的限制命令。 版权所有(C)2011,JPO&INPIT