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公开(公告)号：US06704642B2
公开(公告)日：2004-03-09
申请号：US09785228
申请日：2001-02-20
申请人： Yoshihito Moriya , Hiroyuki Kawase , Hideo Nagaosa
发明人： Yoshihito Moriya , Hiroyuki Kawase , Hideo Nagaosa
IPC分类号： F02D1302
CPC分类号： F02D13/0234 , F01L3/20 , F01L2001/0537 , F01L2001/34426 , F01L2001/34463 , F01L2001/34473 , F01L2001/34483 , F01L2250/02 , F01L2800/03 , F01L2800/05 , F01L2820/041 , F01L2820/042 , F01L2820/044 , F02D2013/0292 , F02D2041/001 , Y02T10/18
摘要： A valve timing control apparatus of an internal combustion engine that includes a biasing device that applies bias force to a camshaft of intake or exhaust valves so as to bring the valve timing of the engine into a predetermined state when the valve timing is in a predetermined range, for example, when the valve timing is on the retard side of the engine start valve timing with which the engine is started is controlled by a controller that controls the valve timing in view of the bias force of the biasing device.
摘要翻译： 一种内燃机的气门正时控制装置，包括：偏压装置，其对进气门或排气门的凸轮轴施加偏压力，以便当气门正时为预定范围时使发动机的气门正时为预定状态 例如当气门正时处于发动机起动气门正时的发动机起动时间的延迟侧时，由控制器根据偏置装置的偏压力来控制气门正时。
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公开(公告)号：US06561150B1
公开(公告)日：2003-05-13
申请号：US10048791
申请日：2002-02-05
IPC分类号： F01L134
CPC分类号： F01L13/0042 , F01L1/08 , F01L1/34 , F01L1/34406 , F01L2001/0537 , F01L2800/00 , F02B2275/18
摘要： The cam face of an intake cam has a main lift portion, which causes an intake valve to execute a basic lift operation, and a sub lift portion, which assists the action of the main lift portion. The main lift portion and the sub lift portion continuously change in an axial direction of the intake cam. An axial movement mechanism moves the intake cam in the axial direction to adjust the axial position of the cam face that drives the intake valve. The axial movement of the intake cam results in the valve being given a variety of valve lift characteristics in the form of a combination of a cam lift pattern realized by the main lift portion and a cam lift pattern realized by the sub lift portion. Therefore, various engine performances required according to the running conditions of the engine can be fully satisfied by the valve characteristics.
摘要翻译： 进气凸轮的凸轮面具有主升程部分，其使进气门执行基本升程操作，辅助提升部分有助于主提升部分的作用。 主提升部分和副提升部分在进气凸轮的轴向方向上连续变化。 轴向运动机构使进气凸轮沿轴向移动，以调节驱动进气门的凸轮面的轴向位置。 进气凸轮的轴向运动导致阀被赋予各种气门升程特性，其形式为通过主提升部分实现的凸轮提升模式和由副提升部分实现的凸轮提升模式的组合。 因此，根据发动机的运行条件需要的各种发动机性能可以通过阀特性完全满足。
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公开(公告)号：US06435149B1
公开(公告)日：2002-08-20
申请号：US09963561
申请日：2001-09-27
IPC分类号： F01L1300
摘要： A valve train for an internal combustion engine has a variable valve performance mechanism for changing the valve open angle of at least one set of intake valves and exhaust valves. The valve train further includes an electronic control unit (ECU) for controlling the variable valve performance mechanism and a sensor for detecting the running state of the engine. The ECU judges whether there is a malfunction in the engine based on detection signals from the sensor. If there is a malfunction in the engine, the ECU actuates the variable valve performance mechanism to decrease the valve overlap thereby performing a failsafe. The ECU also advances the closing timing of the intake valves. Alternatively, the ECU retards the opening timing of the exhaust valves.
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54.发明授权公开(公告)号：US06415753B1
公开(公告)日：2002-07-09
申请号：US09634882
申请日：2000-08-07
IPC分类号： F01L134
CPC分类号： F01L1/34 , F01L1/344 , F01L1/46 , F01L13/0042
摘要： A variable valve apparatus of an internal combustion engine is capable of realizing more precise valve characteristic control by reducing the error in-detection of the amount of movement of a camshaft caused by a difference in the rate of thermal expansion. The variable valve apparatus has a camshaft that is supported so as to be rotatable and slidable in a direction of an axis thereof and that has three-dimensional cams whose cam profile continuously changes in the direction of the axis. The apparatus also has an actuator for moving the camshaft in the direction of its axis. The apparatus further has a camshaft position sensor provided in a cylinder head, a detected portion provided in the camshaft, and a camshaft movement amount detection portion for detecting the amount of movement of the camshaft in the direction of the axis. The camshaft movement amount detection portion is provided near a camshaft reference position.
摘要翻译： 内燃机的可变气门装置能够通过减少由热膨胀率的差异引起的凸轮轴的运动量的检测误差来实现更精确的阀特性控制。 可变气门装置具有凸轮轴，该凸轮轴被支撑成能够在其轴线方向上旋转和滑动，并且具有凸轮轮廓在轴线方向上连续变化的三维凸轮。 该装置还具有用于沿其轴线方向移动凸轮轴的致动器。 该装置还具有设置在气缸盖中的凸轮轴位置传感器，设置在凸轮轴中的检测部分和用于检测凸轮轴在轴线方向上的移动量的凸轮轴移动量检测部。 凸轮轴移动量检测部分设置在凸轮轴参考位置附近。
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公开(公告)号：US06220209B1
公开(公告)日：2001-04-24
申请号：US09351284
申请日：1999-07-12
IPC分类号： F04B2308
CPC分类号： F01L1/143 , F01L13/0042
摘要： A rocking follower mechanism for a three-dimensional cam is provided. The rocking follower mechanism prevents a hit sound without generating excessive abrasion on a cam follower or a cam surface of the three-dimensional cam, while providing a wide portion for the cam follower. The cam follower is restricted from moving in the axial direction. The wide portion of the cam follower is formed at a position so as not to be brought into contact with the cam surface of the intake cam. As a result, collision of the cam surface against an angular portion defined by a thrust surface and an end surface of the wide portion, i.e., direct abutment against the end surface, can be avoided. Therefore, it is possible to prevent the hit sound without generating excessive abrasion on the cam surface of the intake cam or the cam follower itself. Accordingly, excellent riding comfort of the vehicle can be maintained.
摘要翻译： 提供了一种用于三维凸轮的摆动从动机构。 摆动从动机构防止撞击声而不会在三维凸轮的凸轮从动件或凸轮表面上产生过度磨损，同时为凸轮从动件提供宽的部分。 凸轮从动件被限制在轴向移动。 凸轮从动件的宽部形成为不与进气凸轮的凸轮面接触的位置。 结果，可以避免凸轮表面与由推力表面和宽部分的端面限定的角部分（即直接抵靠端面）的碰撞。 因此，可以防止撞击声而不会对进气凸轮或凸轮从动件本身的凸轮表面产生过度磨损。 因此，可以保持车辆的良好的乘坐舒适性。
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公开(公告)号：US06182623B2
公开(公告)日：2001-02-06
申请号：US09453708
申请日：1999-12-03
申请人： Nobuhiko Sugie , Jouji Yamaguchi , Osamu Sato , Yoshihito Moriya , Shinichiro Kikuoka , Noriyuki Iden
发明人： Nobuhiko Sugie , Jouji Yamaguchi , Osamu Sato , Yoshihito Moriya , Shinichiro Kikuoka , Noriyuki Iden
IPC分类号： F01L1300
CPC分类号： F01L13/0042 , F01L1/024 , F01L1/3442 , F01L1/46
摘要： In a variable valve control device, the minimum operating hydraulic pressure necessary for controlling the vane rotor is arranged to be higher than that for axially moving the piston member. Thus, whenever the angular phase is actually changed, the hydraulic pressure sufficient enough to move the piston member may be always ready to be applied to the axial movement control member. Therefore, when the intake camshaft is at the lowest lift stroke position, the intake camshaft may be easily shifted from the lowest lift stroke position to the higher lift stroke position without time delay so that a highly accurate angular phase control of the intake camshaft relative to the timing pulley may be secured.
摘要翻译： 在可变阀控制装置中，控制叶片转子所需的最小工作液压被设置为高于用于轴向移动活塞件的操作液压。 因此，每当实际改变角度相位时，足以足以移动活塞构件的液压总是准备施加到轴向运动控制构件。 因此，当进气凸轮轴处于最低提升行程位置时，进气凸轮轴可以容易地从最低起升行程位置移动到较高提升行程位置而没有时间延迟，从而进气凸轮轴相对于 正时滑轮可以被固定。
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公开(公告)号：US06135077A
公开(公告)日：2000-10-24
申请号：US186667
申请日：1998-11-04
CPC分类号： F01L1/344 , F01L1/024 , F01L1/3442 , F01L2001/3444 , F01L2001/34483
摘要： A valve timing changing apparatus for changing valve timings of intake and exhaust valves inhibits a deterioration in the precision of a change of a valve overlap period. A first variable valve timing mechanism (first VVT) is mounted to an intake cam shaft, and a second variable valve timing mechanism (second VVT) is mounted to a crank shaft. A timing belt drivingly couples a cam pulley mounted to an exhaust cam shaft, a cam pulley of the first VVT, and a cam pulley of the second VVT to one another. The first VVT changes a rotational phase of the intake cam shaft so as to change a valve timing of intake valves. The second VVT changes rotational phases of both the intake and exhaust cam shafts so as to simultaneously change valve timings of the intake and exhaust valves.
摘要翻译： 用于改变进气门和排气门的气门正时的气门正时改变装置阻止了阀重叠周期变化的精度的降低。 第一可变气门正时机构（第一VVT）安装在进气凸轮轴上，第二可变气门正时机构（第二VVT）安装在曲轴上。 同步带将安装到排气凸轮轴的凸轮滑轮，第一VVT的凸轮滑轮和第二VVT的凸轮滑轮彼此驱动耦合。 第一VVT改变进气凸轮轴的旋转相位，以改变进气门的气门正时。 第二VVT改变进气和排气凸轮轴的旋转相位，以同时改变进气门和排气门的气门正时。
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公开(公告)号：US6067947A
公开(公告)日：2000-05-30
申请号：US266746
申请日：1999-03-12
CPC分类号： F01L1/34 , F01L1/143 , F01L1/26 , F01L1/262 , F01L13/0042 , F02B2275/18
摘要： A valve driving apparatus for an internal combustion engine. Each combustion chamber has a pair of intake ports and a pair of intake valves for selectively opening and closing the intake ports. Each intake valve is driven with a variable amount of valve lift. The apparatus includes a camshaft rotatably supported by the engine, cams, cam followers, a shaft moving mechanism, and brackets. Each cam lifts an associated intake valve in response to rotation of the camshaft. Each cam has a cam nose for lifting a corresponding intake valve. The radius of the cam nose varies in the axial direction. Cam followers transmit movement of the intake cams to the intake valves. The shaft moving mechanism moves the cams relative to the valves in an axial direction of the camshaft thereby varying the amount of valve lift. A lifter structure is provided that is circularly shaped to improve manufacturing accuracy. In another embodiment, the valves are oriented to increase the amount of axial movement that the cam can make, which results in greater optimization of the air intake amount.
摘要翻译： 一种用于内燃机的阀驱动装置。 每个燃烧室具有一对进气口和一对进气门，用于选择性地打开和关闭进气口。 每个进气阀都由可变量的气门升程驱动。 该装置包括由发动机，凸轮，凸轮从动件，轴移动机构和支架可旋转地支撑的凸轮轴。 每个凸轮响应于凸轮轴的旋转提升相关的进气门。 每个凸轮具有用于提升相应的进气门的凸轮鼻。 凸轮凸轮的半径在轴向上变化。 凸轮从动件将进气凸轮的运动传递到进气门。 轴移动机构在凸轮轴的轴向上相对于阀移动凸轮，从而改变气门升程量。 提供了一种圆形的升降机结构，以提高制造精度。 在另一个实施例中，阀被定向成增加凸轮可以产生的轴向移动量，这导致空气进入量的更大优化。
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公开(公告)号：US5988128A
公开(公告)日：1999-11-23
申请号：US47249
申请日：1998-03-24
CPC分类号： F01L1/34 , F01L1/143 , F01L1/26 , F01L1/262 , F01L13/0042 , F02B2275/18
摘要： A valve driving apparatus for an internal combustion engine. Each combustion chamber has a pair of intake ports and a pair of intake valves for selectively opening and closing the intake ports. Each intake valve is driven with a variable amount of valve lift. The apparatus includes a camshaft rotatably supported by the engine, cams, cam followers, a shaft moving mechanism, and brackets. Each cam lifts an associated intake valve in response to rotation of the camshaft. Each cam has a cam nose for lifting a corresponding intake valve. The radius of the cam nose varies in the axial direction. Cam followers transmit movement of the intake cams to the intake valves. The shaft moving mechanism moves the cams relative to the valves in an axial direction of the camshaft thereby varying the amount of valve lift. A lifter structure is provided that is circularly shaped to improve manufacturing accuracy. In another embodiment, the valves are oriented to increase the amount of axial movement that the cam can make, which results in greater optimization of the air intake amount.
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公开(公告)号：US5803031A
公开(公告)日：1998-09-08
申请号：US886724
申请日：1997-07-01
申请人： Yoshihito Moriya
发明人： Yoshihito Moriya
CPC分类号： F01L1/34406 , F01L2001/0537
摘要： A hydraulic actuator including a piston connected to a camshaft. First and second passages extend through the camshaft. The piston is actuated in accordance with differences in pressure applied to the piston through the passages. A bearing rotatably supports the camshaft. The first and second passages open at the circumferential surface of the camshaft. First and second grooves are defined in the bearing and arranged at different positions with respect to the axial and circumferential directions of the camshaft. The first and second grooves are communicated with the first and second passages such that the grooves form substantially sealed hydraulic passages for carrying hydraulic fluid to or from the passages while the camshaft rotates.
摘要翻译： 一种液压致动器，包括连接到凸轮轴的活塞。 第一和第二通道延伸穿过凸轮轴。 活塞根据通过通道施加到活塞的压力差而被致动。 轴承可旋转地支撑凸轮轴。 第一和第二通道在凸轮轴的圆周表面处敞开。 第一和第二槽限定在轴承中并且相对于凸轮轴的轴向和圆周方向布置在不同的位置。 第一和第二槽与第一通道和第二通道连通，使得凹槽形成基本上密封的液压通道，用于在凸轮轴转动时将液压流体输送到通道或从通道运送。
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