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1. 发明专利

JP2012092722A Hydraulic drive type variable valve device of internal combustion engine 有权
标题翻译：液压驱动型内燃机可变阀装置
公开(公告)号：JP2012092722A
公开(公告)日：2012-05-17
申请号：JP2010239826
申请日：2010-10-26
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： MIYASATO YOSHIAKI , IMAMURA TOSHIO , YOKOYAMA TOMO , ENDO KEI , UEDA YU , FUJIYOSHI TOSHIKI
IPC分类号： F01L1/356 , F02D13/02
CPC分类号： Y02T10/18
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic drive type variable valve device of an internal combustion engine, the device capable of swiftly retaining the valve timing in a specified period on starting the engine.SOLUTION: Each time of relative rotation of a sprocket 31 and a vane rotor with prescribed relative rotation amount of θ1, θ2, θ3, θ4, an advance angle control pin 51 or a lag angle control pin 71 is sequentially inserted to a plurality of steps 60 (61 to 64). Thereby, a lag angle of valve timing is sequentially regulated and the valve timing advances from the maximum lag angle period PL to a specified period PM. When the valve timing advances to the specified period PM, an advance angle of the valve timing is regulated by a regulator 53C. The plurality of steps 60 (61 to 64) are formed to control a final relative rotation amount θ4 so as to be smallest of the plurality of relative rotation amounts θ1 to θ4.
摘要翻译：要解决的问题：为了提供一种内燃机的液压驱动型可变阀装置，该装置能够在起动发动机时在规定时间内迅速保持气门正时。解决方案：每次具有规定的相对旋转量θ1，θ2，θ3，θ4的链轮31和叶片转子相对旋转时，将前进角度控制销51或滞后角度控制销71依次插入到多个步骤60（61〜64）。由此，顺序地调节气门正时的滞后角，并且气门正时从最大滞后角周期PL前进到规定的周期PM。当阀正时前进到规定期间PM时，通过调节器53C调节气门正时的提前角。形成多个步骤60（61〜64），以将最终的相对旋转量θ4控制为多个相对旋转量θ1〜θ4的最小值。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011179385A Flow control valve and valve timing control device having the same for internal combustion engine 有权
标题翻译：具有内燃机的流量控制阀和阀定时控制装置
公开(公告)号：JP2011179385A
公开(公告)日：2011-09-15
申请号：JP2010043315
申请日：2010-02-26
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MIYASATO YOSHIAKI , IMAMURA TOSHIO , YOKOYAMA TOMO , NUMAKURA MASAKI , UEDA YU
IPC分类号： F01L1/34 , F02D13/02
CPC分类号： Y02T10/18
摘要： PROBLEM TO BE SOLVED: To provide a valve timing control device for an internal combustion engine suppressing degradation in accuracy of a flow rate control of a flow control valve, even when correlation between a drive signal and a position of a spool does not respond to the correlation required on a design specification, caused by various errors.
SOLUTION: The valve timing control device includes the flow control valve 63 including the spool displaced to a position corresponding to the drive signal, changing a supply/discharge state of operating fluid to/from a variable mechanism 40 which can maintain and change valve timing of an intake valve 31, according to the position of the spool to control valve timing. The flow control valve 63 has dead zone characteristics in which the spool stands still at a predetermined stroke x even when the drive signal is changed, and the predetermined stroke x is set to be at a position when the valve timing is changed to a target angle thereof through the variable mechanism 40.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于抑制流量控制阀的流量控制的精度降低的内燃机的气门正时控制装置，即使驱动信号和线轴的位置之间的相关性不响应由各种错误引起的设计规范所需的相关性。解决方案：气门正时控制装置包括流量控制阀63，流量控制阀63包括位移到对应于驱动信号的位置的阀芯，改变工作流体与可变机构40的供应/排放状态，可变机构40可以维持和改变根据阀芯的位置控制气门正时，进气门31的气门正时。流量控制阀63具有死区特性，其中即使驱动信号改变，卷轴静止在预定行程x，并且预定行程x被设定在当阀正时变为目标角度的位置时通过可变机构40。（C）2011年，JPO和INPIT

3. 发明专利

JP2010024843A Lubricating device of dynamic valve system 审中-公开
标题翻译：动力阀系统润滑装置
公开(公告)号：JP2010024843A
公开(公告)日：2010-02-04
申请号：JP2008183529
申请日：2008-07-15
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： KOIKE RYUJI , IMAMURA TOSHIO , MURAKAMI GENICHI , INAMI NORIO
IPC分类号： F01M9/10 , F01M1/06 , F01M1/14
摘要： PROBLEM TO BE SOLVED: To provide a lubricating device for a dynamic valve system capable of exhibiting efficient lubricating performance with a small oil feeding amount.
SOLUTION: The lubricating device of the dynamic valve system includes a camshaft having a cam follower for lifting valve elements installed in a plurality of cylinders of an internal combustion engine, an oil passage formed inside the camshaft in such a way of being stretched in the axial direction, an oil outflow hole penetrating a clearance between the peripheral surface of a cam lobe and the oil passage, and an intermittently feeding device to feed oil intermittently to the oil passage accompanied by the rotation of the camshaft. The intermittently feeding device allows the oil to flow into the oil passage when the oil outflow hole confronts the follower link of the cam lobe.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以小的进油量显示出有效的润滑性能的动态阀系统的润滑装置。解决方案：动力阀系统的润滑装置包括凸轮轴，凸轮轴具有用于提升安装在内燃机的多个气缸中的阀元件的凸轮从动件，形成在凸轮轴内部的油通道被拉伸在轴向方向上，贯穿凸轮凸缘的周面与油路之间的间隙的油流出孔以及间歇进给装置，以随着凸轮轴的旋转间歇地供油到油路。当油流出孔面对凸轮凸角的从动连杆时，间歇进给装置允许油流入油通道。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2012036791A Variable valve system of internal combustion engine, and method for adjusting holding state of valve timing thereof 审中-公开
标题翻译：内燃机可变阀系统及调整阀门时间保持状态的方法
公开(公告)号：JP2012036791A
公开(公告)日：2012-02-23
申请号：JP2010176294
申请日：2010-08-05
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IMAMURA TOSHIO
IPC分类号： F01L1/356 , F01L1/352
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of tap tone caused by an excessive difference between an advance limiting period and a retard limiting period when advance and retard of a timing valve are limited, respectively, in holding the valve timing in a specified period between the advance limiting period and the retard limiting period.SOLUTION: A variable valve mechanism includes a holding mechanism 40 which separately includes an advance limiting mechanism 50 limiting a relative rotation on an advanced side of a vane rotor to a housing 22; and a retard limiting mechanism 70 which limiting a relative rotation on a retard side. The holding mechanism also holds a relative rotation phase in an intermediate phase by the cooperation of the limiting mechanisms. The variable valve mechanism further includes a phase adjusting plate 25 which is relatively and rotatable to a sprocket 21. While a relative rotation is limited by the advance limiting mechanism 50, the phase adjusting plate 25 is relatively rotated so as to be limited a reverse relative rotation to fix the phase adjusting plate 25 on the sprocket 21, and thereby the variable valve mechanism adjusts a state that the relative rotation phase is held in an intermediate phase.
摘要翻译：解决的问题：为了防止由限定正时阀的推进和延迟而限制的超前限制期间和延迟限制期间由过大的差异引起的分接音的发生，分别将气门正时保持在超前限制期与滞后期限之间的指定期间。解决方案：可变气门机构包括一个保持机构40，该保持机构40分别包括一个前进限制机构50，该前进限制机构限制叶片转子的前进侧相对于壳体22的相对旋转; 以及限制延迟侧的相对旋转的延迟限制机构70。保持机构还通过限制机构的配合在中间阶段保持相对旋转相位。可变阀机构还包括可相对于链轮21旋转的相位调整板25.当相对旋转受到前进限制机构50的限制时，相位调整板25被相对旋转以限制相反的相对旋转以将相位调整板25固定在链轮21上，从而可变阀机构调节相对旋转相保持在中间相的状态。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011163270A Variable valve gear for internal combustion engine 审中-公开
标题翻译：用于内燃机的变速阀齿轮
公开(公告)号：JP2011163270A
公开(公告)日：2011-08-25
申请号：JP2010028955
申请日：2010-02-12
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： IMAMURA TOSHIO , FUJIYOSHI TOSHIKI
IPC分类号： F01L1/34
摘要： PROBLEM TO BE SOLVED: To provide a variable valve gear capable of restricting play due to a clearance between a restriction pin and an engagement groove. SOLUTION: This variable valve gear for an internal combustion engine includes: a valve timing variable mechanism 30 for changing valve timing of an intake valve; and a phase fixing mechanism 80 for fixing relative rotating phases of a housing rotor 31 and a vane rotor 35 to an intermediate phase. The phase fixing mechanism 80 fixes the rotating phases of the housing rotor 31 and the vane rotor 35 to the intermediate phase by engaging a first restriction pin 41 and a first engagement groove 46 with each other and engaging a second restriction pin 51 and a second engagement groove 56 with each other. A surface of the pin tip part 41B of the first restriction pin 41 corresponding to the first engagement groove 46 is provided with an inclined surface inclined in a direction, in which the restriction pin is narrowed as it goes to the tip. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够限制由于限制销和接合槽之间的间隙而发生的可变阀齿轮。解决方案：用于内燃机的可变阀齿轮包括：用于改变进气门的气门正时的气门正时可变机构30; 以及用于将壳体转子31和叶片转子35的相对旋转相位固定到中间相的相位固定机构80。相位固定机构80通过使第一限制销41和第一接合槽46彼此接合并且接合第二限制销51和第二接合而将壳体转子31和叶片转子35的旋转相位固定到中间相位凹槽56彼此。与第一接合槽46对应的第一限制销41的销末端部41B的表面设置有倾斜面，该倾斜面在限制销向前端变窄的方向上倾斜。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2007224743A Valve drive device for v-type engine 有权
标题翻译： V型发动机阀门驱动装置
公开(公告)号：JP2007224743A
公开(公告)日：2007-09-06
申请号：JP2006043787
申请日：2006-02-21
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IMAMURA TOSHIO
IPC分类号： F01L1/08 , F02D13/02 , F02M37/06 , F02M39/02
CPC分类号： F01L1/34 , F01L1/024 , F01L1/08 , F01L1/16 , F01L2001/0537 , F01L2800/00 , F01L2800/08 , F01L2810/03 , F01L2820/01 , F02M59/102
摘要： PROBLEM TO BE SOLVED: To provide a valve drive device for a V-type engine which can suppress fluctuations of the drive torque of camshafts for driving to open or close an engine valve and for driving a fuel pump.
SOLUTION: Phases in the case of the maximum drive torque in drive torque fluctuations TP1, TP2 of pump cams for driving the fuel pump are set so as not to coincide with phases in the case of the maximum drive torque in drive torque fluctuations TB1 to TB8 of valve cams for driving inlet valves. By reducing the maximum torques TAmax1, TAmax 2 in torque fluctuations TA1, TA2 applied to the camshafts, the fluctuation bands TD1, TD2 of the torque fluctuations TA1, TA2 are reduced.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于V型发动机的阀驱动装置，其能够抑制用于驱动打开或关闭发动机气门的凸轮轴的驱动转矩的波动和用于驱动燃料泵。解决方案：在驱动燃油泵的泵凸轮的驱动转矩波动TP1，TP2中的最大驱动转矩的情况下，相位被设定为与驱动转矩波动中的最大驱动转矩的情况下的相位不一致用于驱动进气阀的阀门凸轮的TB1至TB8。通过减小施加到凸轮轴的转矩波动TA1，TA2中的最大转矩TAmax1，TAmax2，扭矩波动TA1，TA2的变动带TD1，TD2减小。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2011256772A Variable valve timing device of internal combustion engine 审中-公开
标题翻译：内燃机可变阀定时装置
公开(公告)号：JP2011256772A
公开(公告)日：2011-12-22
申请号：JP2010131503
申请日：2010-06-08
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： MIYASATO YOSHIAKI , IMAMURA TOSHIO , YOKOYAMA TOMO , NUMAKURA MASAKI , ENDO KEI , UEDA YU
IPC分类号： F01L1/356 , F02D13/02
CPC分类号： Y02T10/18
摘要： PROBLEM TO BE SOLVED: To provide a variable valve timing device of an internal combustion engine, which prevents the most-retarded timing and the most advanced timing from changing from a predetermined timing.SOLUTION: The variable valve timing device includes: a sprocket 30 drivably connected to a crankshaft 11; a vane rotor 60 for rotating together with a camshaft 13; a housing 40 fastened to the sprocket 30 by inserting a bolt 80 screwed to the sprocket 30 in a through-hole 45; and a variable mechanism 20 for changing valve timing of an engine valve by changing a relative rotation phase of the vane rotor 60 to the sprocket 30. The variable mechanism 20 sets the valve timing to the most-retarded timing and the most advanced timing in the variable region by regulating the relative rotation of the vane rotor 60 to the sprocket 30 by contacting at least one of a plurality of vanes 62 with either of the bolt 80 and the sprocket 30.
摘要翻译：要解决的问题：提供一种内燃机的可变气门正时装置，其防止最大延迟定时和最高级定时从预定定时改变。解决方案：可变气门正时装置包括：可驱动地连接到曲轴11的链轮30; 与凸轮轴13一起旋转的叶片转子60; 通过将与链轮30螺合的螺栓80插入通孔45中而紧固到链轮30的壳体40; 以及用于通过将叶片转子60相对于链轮30的相对旋转相位改变来改变发动机气门正时的可变机构20.可变机构20将气门正时设定为最延迟的定时和最先进的定时通过使多个叶片62中的至少一个与螺栓80和链轮30中的任一个接触来调节叶片转子60与链轮30的相对旋转的可变区域。（C）2012，JPO和INPIT

8. 发明专利

JP2009250065A Multicylinder internal combustion engine 有权
标题翻译：多功能内燃机
公开(公告)号：JP2009250065A
公开(公告)日：2009-10-29
申请号：JP2008096188
申请日：2008-04-02
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： HIBINO YASUSHI , IMAMURA TOSHIO , MORIYA YOSHITO , HOSODA FUMINORI
IPC分类号： F02D13/02 , F01L13/00
CPC分类号： Y02T10/18
摘要： PROBLEM TO BE SOLVED: To provide a multicylinder internal combustion engine capable of restraining the occurrence of seating failure of an exhaust valve caused when exhaust pressure becomes excessively high.
SOLUTION: This engine 10 has a valve spring 312, a hydraulic lash adjuster 320, a cam 314 for driving the exhaust valve 31 for opening-closing by cooperation between these spring 312 and lash adjuster 320, and an exhaust port 32 with every cylinders #1-#4 for switching a communicating state with a combustion chamber 11 in response to opening-closing driving of the exhaust valve 31. An electronic control device also controls a variable valve train 40 capable of varying the valve opening timing of the exhaust valve 31 in response to the target valve opening timing of the exhaust valve 31 calculated based on an engine operation state, and corrects the valve opening timing of the exhaust valve 31 to the ignition timing delay side more than the target valve opening timing when estimating the effect that internal pressure PE of an exhaust manifold is predetermined pressure PEA or more.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制当排气压力变得过高时排气阀的就座故障的发生的多缸内燃机。解决方案：该发动机10具有阀弹簧312，液压间隙调节器320，用于通过这些弹簧312和间隙调节器320之间的协作来驱动用于打开关闭的排气门31的凸轮314和具有每个气缸＃1〜＃4用于响应于排气门31的打开 - 关闭驱动而与燃烧室11连通。电子控制装置还控制可变气门机构40，该可变气门机构40能够改变排气阀31响应于基于发动机运转状态计算出的排气门31的目标阀打开正时，并且在估计时将排气门31的开阀正时校正到点火正时延迟侧大于目标阀打开正时排气歧管的内部压力PE为预定压力PEA以上的效果。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2005325705A Drive structure for fuel pump 审中-公开
标题翻译：燃油泵驱动结构
公开(公告)号：JP2005325705A
公开(公告)日：2005-11-24
申请号：JP2004142706
申请日：2004-05-12
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： IMAMURA TOSHIO
IPC分类号： F01L1/04 , F02M39/02 , F02M59/10
摘要： PROBLEM TO BE SOLVED: To provide a drive structure for a fuel pump which will not affect an engine valve.
SOLUTION: This drive structure for a fuel pump is provided with a cam 4 for a pump for driving a high pressure fuel pump 1, a cam 121 for a valve for driving the engine valve 61, and a camshaft 57 on which the cam 4 for a pump and the cam 121 for a valve are installed. The direction of pushing force of the cam 4 for a pump to the camshaft 57 when the cam 4 for a pump is driven is set to make an angle θ of 30° or smaller to the direction (illustrated with an arrow 53) of pushing force of the cam 121 for a valve to the camshaft 57 when the cam 121 for a valve is driven.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种不会影响发动机气门的燃油泵的驱动结构。解决方案：该燃料泵的驱动结构设置有用于驱动高压燃料泵1的泵的凸轮4，用于驱动发动机气门61的阀的凸轮121和凸轮轴57，用于泵的凸轮4和用于阀的凸轮121被安装。当泵的凸轮4被驱动时，用于泵到凸轮轴57的凸轮4的推力方向设定成与推力方向（如箭头53所示）成30°或更小的角度θ 当用于阀的凸轮121被驱动时，用于阀的凸轮121用于凸轮轴57。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2012007549A Variable valve device for internal combustion engine and manufacturing method therefor 有权
标题翻译：用于内燃机的可变阀装置及其制造方法
公开(公告)号：JP2012007549A
公开(公告)日：2012-01-12
申请号：JP2010144978
申请日：2010-06-25
申请人： Denso Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 株式会社デンソー
发明人： IMAMURA TOSHIO , TAKENAKA AKIHIKO
IPC分类号： F01L1/34 , F01L1/356
CPC分类号： F01L1/053 , F01L1/0532 , F01L1/3442 , F01L2001/34459 , F01L2001/34466 , F01L2001/34469 , F01L2001/34476 , Y10T29/49231
摘要： PROBLEM TO BE SOLVED: To provide a variable valve device for an internal combustion engine, capable of adjusting a clearance between an engaging element and an engaging portion in a phase limiting mechanism that locks an input rotor and an output rotor to each other by the cooperation of a retard limiting mechanism and an advance limiting mechanism, and a manufacturing method for the device.SOLUTION: The variable valve device includes a variable valve timing mechanism 30 changing valve timing, and the phase limiting mechanism 40 locking a rotational phase between the housing rotor and the vane rotor at an intermediate phase PM. The mechanism 40 engages a first limiting pin 51 and a first engaging groove 60 with each other and engages a second limiting pin 71 and a second engaging groove 80 with each other to lock the housing rotor and the vane rotor. A side surface 83A on a retard side of an engaging hole 83 is configured to be able to adjust a clearance between the second limiting pin 71 and the side surface 83A when the first limiting pin 51 is engaged with a first advance end portion 62A.
摘要翻译：要解决的问题：提供一种用于内燃机的可变阀装置，其能够在将输入转子和输出转子彼此锁定的相位限制机构中调节接合元件和接合部之间的间隙通过延迟限制机构和前进限制机构的配合，以及该装置的制造方法。解决方案：可变气门装置包括可变气门正时机构30，改变气门正时，相位限制机构40在中间相PM处在壳体转子和叶片转子之间锁定旋转相位。机构40将第一限位销51和第一接合槽60彼此接合并且将第二限位销71和第二接合槽80彼此接合以锁定壳体转子和叶片转子。在第一限制销51与第一前进端部62A接合时，在接合孔83的延迟侧上的侧表面83A能够调节第二限制销71和侧表面83A之间的间隙。版权所有（C）2012，JPO＆INPIT

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