公开(公告)号：US06497206B2

公开(公告)日：2002-12-24

申请号：US09796728

申请日：2001-03-02

申请人： Tsuneyasu Nohara ,  Yoshihiko Yamada ,  Makoto Nakamura

发明人： Tsuneyasu Nohara ,  Yoshihiko Yamada ,  Makoto Nakamura

IPC分类号： F01L1300

CPC分类号： F01L13/0021 ,  F01L1/02 ,  F01L1/022 ,  F01L1/024 ,  F01L13/0026 ,  F01L2001/0537 ,  F01L2013/0073 ,  F02B75/22 ,  F02B2275/18

摘要： In an internal combustion engine with two cylinder banks, each cylinder bank having a cylinder head mounting thereon a valve operating device enabling both valve timing and valve lift characteristic to be varied, each valve operating device drives an engine valve through an eccentric cam, a substantially ring-shaped link, a rocker arm, a rod-shaped link, and a rockable cam, by rotation of a drive shaft. A control shaft varies the attitude of the rocker arm via a control cam by rotary motion thereof, in order to change a valve lift characteristic of the engine valve. As viewed in the same axial direction, a lifting direction of the rockable cam relative to a rotational direction of the drive shaft is the same in the two cylinder banks.

摘要翻译： 在具有两个气缸组的内燃机中，每个气缸组具有安装在其上的气缸盖，能够改变气门正时和气门升程特性的气门操作装置，每个气门操作装置通过偏心凸轮驱动发动机气门， 环形连杆，摇臂，杆状连杆和摇摆式凸轮，通过驱动轴的旋转。 控制轴通过旋转运动通过控制凸轮改变摇臂的姿态，以便改变发动机气门的气门升程特性。 从相同的轴向观察，可摇动凸轮相对于驱动轴的旋转方向的提升方向在两个气缸组中是相同的。

公开(公告)号：US06260523B1

公开(公告)日：2001-07-17

申请号：US09498031

申请日：2000-02-04

申请人： Makoto Nakamura ,  Shinichi Takemura ,  Yoshiaki Miyazato ,  Yoshihiko Yamada ,  Tsuneyasu Nohara ,  Tsutomu Hibi

发明人： Makoto Nakamura ,  Shinichi Takemura ,  Yoshiaki Miyazato ,  Yoshihiko Yamada ,  Tsuneyasu Nohara ,  Tsutomu Hibi

IPC分类号： F01L134

CPC分类号： F01L13/0026 ,  F01L13/0021

摘要： In a VVA apparatus for an internal combustion engine wherein the position of contact of a cam face of a VO cam with respect to the top face of a valve lifter is changed in accordance with a change in a rocking fulcrum of a rocker arm to alter the valve lift, the maximum valve lift is obtained in a first rotated position of a control shaft where an axis of a control cam is adjacent to a driving shaft. The minimum valve lift is obtained in a second rotated position of the control shaft where the axis of the control cam is positioned near a first pivotal point of the rocker arm and a crank arm with respect to a first line connecting the axis of the control shaft and the axis of the control cam upon the maximum valve lift.

摘要翻译： 在用于内燃机的VVA装置中，根据摇臂的摆动支点的变化，改变VO凸轮的凸轮面相对于气门挺杆的顶面的接触位置，以改变 气门升程，在控制轴的轴线与驱动轴相邻的控制轴的第一旋转位置获得最大气门升程。 在控制轴的第二旋转位置中获得最小气门升程，其中控制凸轮的轴线位于摇臂的第一枢转点附近，而曲柄臂相对于连接控制轴的轴线的第一线 和最大气门升程时控制凸轮的轴线。

公开(公告)号：US5988125A

公开(公告)日：1999-11-23

申请号：US130490

申请日：1998-08-07

申请人： Seinosuke Hara ,  Yoshihiko Yamada ,  Keisuke Takeda ,  Tsutomu Hibi ,  Akira Ohnuki ,  Shunichi Aoyama ,  Makoto Nakamura ,  Shinichi Takemura ,  Tetsuro Goto ,  Katsuya Moteki ,  Tsuneyasu Nohara

发明人： Seinosuke Hara ,  Yoshihiko Yamada ,  Keisuke Takeda ,  Tsutomu Hibi ,  Akira Ohnuki ,  Shunichi Aoyama ,  Makoto Nakamura ,  Shinichi Takemura ,  Tetsuro Goto ,  Katsuya Moteki ,  Tsuneyasu Nohara

IPC分类号： F01L1/34 ,  F01L13/00

CPC分类号： F01L1/34 ,  F01L2013/0073

摘要： A variable valve actuation (VVA) apparatus comprises an eccentric rotary (ER) cam fixed to a driving shaft for rotation therewith, a pivotal valve operating (VO) cam, a rocker arm having a first arm and a second arm, a control rod having an eccentric control cam, and a crank arm. The eccentric control cam supports the rocker arm for pivotal motion. The crank arm interconnects the ER cam and the first arm of the rocker arm. A link interconnects the second arm of the rocker arm and the VO cam.

摘要翻译： 可变气门致动（VVA）装置包括固定到驱动轴以与其一起旋转的偏心旋转（ER）凸轮，枢转阀操作（VO）凸轮，具有第一臂和第二臂的摇臂，具有 偏心控制凸轮和曲柄臂。 偏心控制凸轮支撑摇臂作枢轴运动。 曲柄臂将ER凸轮和摇臂的第一臂相互连接。 链路将摇臂的第二臂和VO凸轮相互连接。

公开(公告)号：US5931129A

公开(公告)日：1999-08-03

申请号：US37708

申请日：1998-03-10

申请人： Tsuneyasu Nohara ,  Akira Hidaka ,  Yoshihiko Yamada

发明人： Tsuneyasu Nohara ,  Akira Hidaka ,  Yoshihiko Yamada

IPC分类号： F01L1/356 ,  F02B75/22 ,  F16D3/10 ,  F01L13/00

CPC分类号： F01L1/356 ,  F02B75/22 ,  F16D3/10 ,  F01L2800/00 ,  F02B2275/18

摘要： A valve-operating device for an internal combustion engine equipped with two cylinder banks each having a variable valve timing and working angle mechanism comprises a drive shaft, a cylindrical hollow camshaft fitted to an outer periphery of the drive shaft to be rotatable relatively about the drive shaft, a non-uniform velocity coupling including an annular disc disposed between the drive shaft and the camshaft for transmitting motion of rotation from the drive shaft to the camshaft, permitting a phase change of the camshaft relative to the drive shaft with non-uniform rotation during eccentric motion of the annular disc, and a control housing rotatably supporting the annular disc. Also provided is a decentering mechanism supporting the control housing rockably to produce the eccentric motion of the annular disc. A locus of eccentric motion of the center of the annular disc arranged in the left bank and a locus of eccentric motion of the center of the annular disc arranged in the right bank are essentially symmetrical with respect to the line perpendicular to a line segment between and including two central axes of said drive shafts of the two cylinder banks. A direction of eccentric motion of the center of the annular disc arranged in the right bank is opposite to a direction of eccentric motion of the center of the annular disc arranged in the left bank.

摘要翻译： 一种配备有两个气缸组的内燃机的阀操作装置，每个气缸组均具有可变气门正时和作用角机构，其包括一驱动轴，一圆柱形中空凸轮轴，该凸轮轴安装在该驱动轴的外围周围，以相对于该驱动 轴，非均匀速度联接，其包括设置在驱动轴和凸轮轴之间的环形盘，用于将驱动轴的旋转运动传递到凸轮轴，允许凸轮轴相对于驱动轴的相位不均匀旋转 在环形盘的偏心运动期间和可旋转地支撑环形盘的控制壳体。 还提供了一种偏心机构，其可摇摆地支撑控制壳体以产生环形盘的偏心运动。 布置在左岸的环形盘的中心的偏心运动轨迹和布置在右排中的环形盘的中心的偏心运动轨迹基本上对称于垂直于线段之间的线段 包括两个气缸组的所述驱动轴的两个中心轴。 配置在右排的环形盘的中心的偏心运动方向与布置在左岸的环形盘的中心的偏心运动方向相反。

公开(公告)号：US20090188454A1

公开(公告)日：2009-07-30

申请号：US12360309

申请日：2009-01-27

申请人： Makoto Nakamura ,  Norimoi Hosaka ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seiji Tsuruta ,  Seinosuke Hara

发明人： Makoto Nakamura ,  Norimoi Hosaka ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seiji Tsuruta ,  Seinosuke Hara

IPC分类号： F01L1/34

CPC分类号： F01L13/0026 ,  F01L2013/0073 ,  F01L2820/032 ,  Y10T74/2107

摘要： A variable valve actuation apparatus of an internal combustion engine has a multinodular-link motion converter, to vary at least a working angle. A position of rotation of a control shaft, variably adjusting the attitude of the motion converter, is set, so that, at a peak lift during a valve opening period, an angle γ2 between an extension line of a line segment connecting a first fulcrum corresponding to a drive-eccentric-cam center and a second fulcrum provided on a rocker arm and a line segment connecting the second fulcrum and a third fulcrum provided on the rocker arm at a position different from the second fulcrum at a middle working-angle control mode is less than both an angle γ1 between the two line segments at a minimum working-angle control mode and an angle γ3 between the two line segments at a maximum working-angle control mode.

摘要翻译： 内燃机的可变气门致动装置具有多节点连杆运动转换器，以至少改变工作角度。 设定控制轴的旋转位置，可变地调节运动转换器的姿态，使得在阀打开期间的峰值升程中，连接第一支点对应的线段的延长线之间的角度γ2 驱动偏心凸轮中心和设置在摇臂上的第二支点和连接第二支点的线段和设置在摇臂上的第三支点处于与第二支点不同的位置处于中间工作角度控制模式 在最小工作角度控制模式下两个线段之间的角度γ1小于两个线段之间的角度γ3，并且在最大工作角度控制模式下小于两个线段之间的角度γ3。

公开(公告)号：US20070175424A1

公开(公告)日：2007-08-02

申请号：US11700819

申请日：2007-02-01

申请人： Makoto Nakamura ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seinosuke Hara

发明人： Makoto Nakamura ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seinosuke Hara

IPC分类号： F01L1/34 ,  F01L1/02

CPC分类号： F01L13/0026 ,  F01L2013/0073 ,  Y10T74/2107

摘要： A valve operating apparatus for an internal combustion engine including a drive cam, first and second swing cams, first and second motion transmission mechanisms and first and second valve actuating members. The first and second swing cams are provided with identical swing motion characteristic with respect to a rotation angle of the drive cam through the first and second motion transmission mechanisms. The first swing cam and the first valve actuating member cooperate with each other to provide a valve lift amount of the engine valve for the first group of cylinders with respect to a swing angle of the first swing cam which is identical to a valve lift amount of the engine valve for the second group of cylinders with respect to a swing angle of the second swing cam.

摘要翻译： 一种用于内燃机的气门操作装置，包括驱动凸轮，第一和第二摆动凸轮，第一和第二运动传动机构以及第一和第二气门致动构件。 相对于通过第一和第二运动传递机构的驱动凸轮的旋转角度，第一和第二摆动凸轮具有相同的摆动运动特性。 第一摆动凸轮和第一阀致动构件彼此协作以相对于第一摆动凸轮的摆动角度为第一组气缸提供发动机气门的气门升程量，其与阀升程量相同 用于第二组气缸的发动机气门相对于第二摆动凸轮的摆动角度。

公开(公告)号：US08006658B2

公开(公告)日：2011-08-30

申请号：US12360309

申请日：2009-01-27

申请人： Makoto Nakamura ,  Noriomi Hosaka ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seiji Tsuruta ,  Seinosuke Hara

发明人： Makoto Nakamura ,  Noriomi Hosaka ,  Mikihiro Kajiura ,  Yoshihiko Yamada ,  Seiji Tsuruta ,  Seinosuke Hara

IPC分类号： F01L1/34

CPC分类号： F01L13/0026 ,  F01L2013/0073 ,  F01L2820/032 ,  Y10T74/2107

摘要： A variable valve actuation apparatus of an internal combustion engine has a multinodular-link motion converter, to vary at least a working angle. A position of rotation of a control shaft, variably adjusting the attitude of the motion converter, is set, so that, at a peak lift during a valve opening period, an angle γ2 between an extension line of a line segment connecting a first fulcrum corresponding to a drive-eccentric-cam center and a second fulcrum provided on a rocker arm and a line segment connecting the second fulcrum and a third fulcrum provided on the rocker arm at a position different from the second fulcrum at a middle working-angle control mode is less than both an angle γ1 between the two line segments at a minimum working-angle control mode and an angle γ3 between the two line segments at a maximum working-angle control mode.

摘要翻译： 内燃机的可变气门致动装置具有多节点连杆运动转换器，以至少改变工作角度。 设定控制轴的旋转位置，可变地调节运动转换器的姿态，使得在阀打开期间的峰值升程中，连接第一支点对应的线段的延长线之间的角度γ2 驱动偏心凸轮中心和设置在摇臂上的第二支点和连接第二支点的线段和设置在摇臂上的第三支点处于与第二支点不同的位置处于中间工作角度控制模式 在最小工作角度控制模式下两个线段之间的角度γ1小于两个线段之间的角度γ3，并且在最大工作角度控制模式下小于两个线段之间的角度γ3。

公开(公告)号：US20060201461A1

公开(公告)日：2006-09-14

申请号：US11435787

申请日：2006-05-18

申请人： Makoto Nakamura ,  Yoshihiko Yamada

发明人： Makoto Nakamura ,  Yoshihiko Yamada

IPC分类号： F01L1/34

CPC分类号： F01L13/0063 ,  F01L1/022 ,  F01L1/25 ,  F01L1/267 ,  F01L13/0026 ,  F01L2013/0073 ,  F01L2820/032 ,  Y10T74/19014

摘要： A WA apparatus includes a control shaft arranged rotatable in accordance with the engine operating conditions, an alteration mechanism for changing a lift amount and an operating angle of an engine valve in accordance with rotation of the control shaft, and a drive mechanism for rotating the control shaft and including an electric motor and a reduction mechanism. The reduction mechanism has a reduction ratio set to be larger when the valve is under small lift-amount and operating-angle control than when the valve is under large lift-amount and operating-angle control.

摘要翻译： WA装置包括根据发动机工作条件可旋转地设置的控制轴，用于根据控制轴的旋转改变发动机气门的升程量和操作角度的变更机构，以及用于使控制轴旋转的驱动机构 并且包括电动机和减速机构。 当阀处于小升程量和操作角度控制下时，与阀处于大提升量和操作角度控制下相比，减速机构具有设定为较大的减速比。

公开(公告)号：US6123053A

公开(公告)日：2000-09-26

申请号：US316213

申请日：1999-05-21

申请人： Seinosuke Hara ,  Makoto Nakamura ,  Tetsuro Goto ,  Yoshihiko Yamada ,  Keisuke Takeda

发明人： Seinosuke Hara ,  Makoto Nakamura ,  Tetsuro Goto ,  Yoshihiko Yamada ,  Keisuke Takeda

IPC分类号： F01L13/00 ,  F02D13/02

CPC分类号： F01L13/0021 ,  F01L13/0026

摘要： A variable valve actuation apparatus incorporates a mechanism, mounted to a control shaft, to convert rotational motion of a camshaft into pivotal motion of a valve operating cam. The mechanism has different states corresponding to varying angular positions which the control shaft is adjustable to, respectively, The mechanism is continuously variable in state to one of the different states in response to a shift of the control shaft to one of the varying angular positions. The mechanism is also operative to vary the valve operating cam, in position, relative to the associated cylinder valve in response to a shift between the different states.

摘要翻译： 可变气门致动装置包括安装到控制轴的机构，以将凸轮轴的旋转运动转换成阀操作凸轮的枢转运动。 该机构具有与变化的角位置相对应的不同状态，控制轴可分别调节。响应于控制轴移动到变化的角位置之一，机构可以将状态连续地变化到不同状态之一。 该机构还可操作以响应于不同状态之间的偏移而相对于相关联的气缸阀门改变阀操作凸轮的位置。

公开(公告)号：US06257182B1

公开(公告)日：2001-07-10

申请号：US09430131

申请日：1999-10-29

申请人： Seinosuke Hara ,  Makoto Nakamura ,  Yoshihiko Yamada ,  Tsutomu Hibi ,  Katsuhisa Todoroki ,  Yoshiaki Miyazato

发明人： Seinosuke Hara ,  Makoto Nakamura ,  Yoshihiko Yamada ,  Tsutomu Hibi ,  Katsuhisa Todoroki ,  Yoshiaki Miyazato

IPC分类号： F01L904

CPC分类号： F01L9/04

摘要： An electromagnetic drive system for repeatedly opening and closing a valve of an internal combustion engine is comprised of an electromagnetic drive mechanism and a damper mechanism. The electromagnetic drive mechanism comprises a pair of electromagnets, an armature disposed between the electromagnets and a pair of springs setting the armature at a neutral position between the electromagnets when both the electromagnets are de-energized. The electromagnets are alternately energized and de-energized according to a control signal. The damper mechanism is interlocked with the electromagnetic drive mechanism and functions to decrease a speed of displacement of the valve at a terminating period of each of a valve-closing stroke and a valve-opening stroke of the valve.

摘要翻译： 用于反复打开和关闭内燃机的阀的电磁驱动系统包括电磁驱动机构和阻尼机构。 电磁驱动机构包括一对电磁体，电枢设置在电磁体和一对弹簧之间的电枢，当两个电磁体断电时，一对弹簧将电枢设置在电磁体之间的中间位置。 电磁铁根据控制信号被交替地通电和断电。 阻尼器机构与电磁驱动机构互锁，并且用于在阀关闭行程和阀的开阀行程的终止期间减小阀的位移速度。