-
1.发明申请公开(公告)号：US20060243231A1
公开(公告)日：2006-11-02
申请号：US11257155
申请日：2005-10-25
申请人： Tadao Hasegawa , Yoshihito Moriya , Noboru Takagi
发明人： Tadao Hasegawa , Yoshihito Moriya , Noboru Takagi
IPC分类号： F01L1/34
CPC分类号： F01L13/0015 , F01L1/34 , F01L2800/00 , F01L2800/10 , F02D13/0219 , F02D13/0261 , F02D13/0265 , F02D41/0002 , F02D41/10 , F02D2041/001 , Y02T10/18 , Y02T10/42
摘要： A valve characteristic controller for an engine including variable valve actuation mechanisms, one for a first valve and another for a second valve, to vary the opening and closing timings of the valves. The controller executes main control to calculate a target timing of the first valve in accordance with an operation state of the engine and has the corresponding variable valve actuation mechanism adjust the timing of the first valve to the target timing. Further, the controller executes sub-control to calculate a target timing of the second valve based on a target valve overlap amount and the actual timing of the first valve and has the corresponding variable valve actuation mechanism adjust the valve timing of the second valve to the target timing. The main control is executed on the one of the two variable valve actuation mechanisms having a lower response speed.
摘要翻译： 一种用于发动机的阀门特征控制器，其包括可变气门致动机构，一个用于第一阀，另一个用于第二阀，以改变阀的打开和关闭正时。 控制器执行主控制，以根据发动机的操作状态来计算第一阀的目标定时，并且相应的可变气门致动机构将第一阀的定时调节到目标定时。 此外，控制器执行子控制，以基于目标阀重叠量和第一阀的实际正时来计算第二阀的目标正时，并且具有相应的可变阀致动机构将第二阀的气门正时调节为 目标时机。 在具有较低响应速度的两个可变气门致动机构中的一个上执行主控制。
-
2.发明授权公开(公告)号：US07204215B2
公开(公告)日：2007-04-17
申请号：US11257155
申请日：2005-10-25
申请人： Tadao Hasegawa , Yoshihito Moriya , Noboru Takagi
发明人： Tadao Hasegawa , Yoshihito Moriya , Noboru Takagi
IPC分类号： F01L1/34
CPC分类号： F01L13/0015 , F01L1/34 , F01L2800/00 , F01L2800/10 , F02D13/0219 , F02D13/0261 , F02D13/0265 , F02D41/0002 , F02D41/10 , F02D2041/001 , Y02T10/18 , Y02T10/42
摘要： A valve characteristic controller for an engine including variable valve actuation mechanisms, one for a first valve and another for a second valve, to vary the opening and closing timings of the valves. The controller executes main control to calculate a target timing of the first valve in accordance with an operation state of the engine and has the corresponding variable valve actuation mechanism adjust the timing of the first valve to the target timing. Further, the controller executes sub-control to calculate a target timing of the second valve based on a target valve overlap amount and the actual timing of the first valve and has the corresponding variable valve actuation mechanism adjust the valve timing of the second valve to the target timing. The main control is executed on the one of the two variable valve actuation mechanisms having a lower response speed.
摘要翻译： 一种用于发动机的阀门特征控制器，其包括可变气门致动机构，一个用于第一阀，另一个用于第二阀，以改变阀的打开和关闭正时。 控制器执行主控制，以根据发动机的操作状态来计算第一阀的目标定时，并且相应的可变气门致动机构将第一阀的定时调节到目标定时。 此外，控制器执行子控制，以基于目标阀重叠量和第一阀的实际正时来计算第二阀的目标正时，并且具有相应的可变阀致动机构将第二阀的气门正时调节为 目标时机。 在具有较低响应速度的两个可变气门致动机构中的一个上执行主控制。
-
公开(公告)号：US5893345A
公开(公告)日：1999-04-13
申请号：US69984
申请日：1998-04-30
CPC分类号： F01L13/0042 , F01L1/34406
摘要： A valve characteristic control apparatus is provided with a simple structure in which a cam shaft having three-dimensional cams is axially displaced and the cam shaft is rotated with respect to a crank shaft by a ring gear. An axial driving mechanism axially displaces the intake cam shaft and thereby changes working angles of the three-dimensional cams. In this case, engagement of a spline formed on the cam shaft with teeth formed on an inner peripheral surface of the ring gear allows the cam shaft to axially move with respect to a pulley integrated with the crank shaft. A rotational driving mechanism axially displaces the ring gear, so that a helical spline formed on the pulley engages teeth formed on an outer peripheral surface of the ring gear and a spline formed on the cam shaft engages teeth formed on the inner peripheral surface of the ring gear. Thus, the cam shaft rotates relative to the pulley.
摘要翻译： 阀特征控制装置具有简单的结构，其中具有三维凸轮的凸轮轴轴向移位，并且凸轮轴通过齿圈相对于曲轴旋转。 轴向驱动机构轴向移动进气凸轮轴，从而改变三维凸轮的工作角度。 在这种情况下，形成在凸轮轴上的花键与形成在齿圈的内周面上的齿的接合允许凸轮轴相对于与曲轴一体化的滑轮轴向移动。 旋转驱动机构轴向移动环形齿轮，使得形成在滑轮上的螺旋花键接合形成在齿圈的外周表面上的齿，并且形成在凸轮轴上的花键接合形成在环的内周表面上的齿 齿轮。 因此，凸轮轴相对于滑轮旋转。
-
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。
-
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。
-
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.
-
公开(公告)号：US20100170461A1
公开(公告)日：2010-07-08
申请号：US12160708
申请日：2007-01-11
申请人： Yuu Yokoyama , Yoshihito Moriya , Yuji Itoh , Tadao Hasegawa , Masayoshi Hattori , Akihiko Takenaka
发明人： Yuu Yokoyama , Yoshihito Moriya , Yuji Itoh , Tadao Hasegawa , Masayoshi Hattori , Akihiko Takenaka
IPC分类号： F01L1/34
CPC分类号： F01L1/352
摘要： An intake VVT mechanism includes: link mechanisms and connected to an intake camshaft and operated to change a phase of an intake valve; and a control pin sliding on a guide plate along a guide groove to allow the link mechanism to operate; a control pin sliding on the guide plate along a guide groove to allow the link mechanism to operate. The control pin is detached from an end of the guide groove when the control pins and are moved in a direction allowing the phase to be retarded until the control pin abuts against an end of the guide groove.
摘要翻译： 进气VVT机构包括：连杆机构并连接到进气凸轮轴并且操作以改变进气门的相位; 以及控制销，其沿着引导槽滑动在导向板上，以允许连杆机构工作; 控制销沿引导槽在引导板上滑动以允许连杆机构操作。 当控制销被移动时，控制销从引导槽的端部脱离，并允许相位延迟，直到控制销与导槽的端部抵接。
-
公开(公告)号：US20070095314A1
公开(公告)日：2007-05-03
申请号：US11540672
申请日：2006-10-02
申请人： Yuu Yokoyama , Yoshihito Moriya , Yuji Itoh , Tadao Hasegawa , Masayoshi Hattori
发明人： Yuu Yokoyama , Yoshihito Moriya , Yuji Itoh , Tadao Hasegawa , Masayoshi Hattori
IPC分类号： F01L1/34
CPC分类号： F01L1/34 , F01L2800/00 , F01L2810/03 , F02D13/0207 , Y02T10/18
摘要： An ECU executes a program including the steps of detecting the crank angle, advancing, at a crank angle at which the cam torque is exerted in the direction opposite to the rotational direction of an intake camshaft, the phase in which the intake valve is closed and retarding, at a crank angle at which the cam torque is exerted in the rotational direction of the intake camshaft, the phase in which the intake valve is closed.
摘要翻译： ECU执行程序，包括以下步骤：检测曲轴角度，在与进气凸轮轴的旋转方向相反的方向上施加凸轮转矩的曲柄角，进气门关闭的相位以及 以在进气凸轮轴的旋转方向上施加凸轮转矩的曲柄角，进气门关闭的相位延迟。
-
公开(公告)号：US5816204A
公开(公告)日：1998-10-06
申请号：US980353
申请日：1997-11-28
CPC分类号： F01L1/34 , F01L1/344 , F01L1/3442 , F01L2001/34483
摘要： A variable valve timing mechanism of an internal combustion engine varies the rotational phase of a camshaft with respect to a drive shaft to vary the timing of a set of engine valves. The mechanism includes a first rotor for a rotation in synchronism with the drive shaft and a second rotor for a rotation in synchronism with the camshaft. The second rotor has vanes, which are located in hydraulic chambers. Unequal hydraulic forces on the vanes causes the second rotor to rotate with respect to the first rotor to change the rotational phase of the camshaft with respect to the drive shaft. Hydraulic pressure is supplied to a certain side of the vanes to apply forces to the vanes. A lock member locks the second rotor to the first rotor to fix the rotational phase of the camshaft with respect to the drive shaft. The lock member unlocks the second rotor from the first rotor only when the hydraulic pressure supplied to the vanes is such that the torque produced by the hydraulic pressure on the vanes is at least as great as an oppositely directed torque resulting from rotational fluctuation of the camshaft. This prevents the vanes from colliding against the walls of their chambers, which produces noise.
摘要翻译： 内燃机的可变气门正时机构改变凸轮轴相对于驱动轴的旋转相位，以改变一组发动机气门的正时。 该机构包括用于与驱动轴同步旋转的第一转子和用于与凸轮轴同步旋转的第二转子。 第二转子具有位于液压室内的叶片。 叶片上的不均等的液压力导致第二转子相对于第一转子旋转，以改变凸轮轴相对于驱动轴的旋转相位。 液压被供应到叶片的某一侧以向叶片施加力。 锁定构件将第二转子锁定到第一转子以将凸轮轴的旋转相位相对于驱动轴固定。 仅当提供给叶片的液压使得由叶片上的液压产生的扭矩至少等于由凸轮轴的旋转波动产生的相反方向的扭矩时，锁定构件才能从第一转子解锁第二转子 。 这样可防止叶片与其室的壁碰撞，从而产生噪音。
-
公开(公告)号：US6014952A
公开(公告)日：2000-01-18
申请号：US152270
申请日：1998-09-14
申请人： Osamu Sato , Kiyoshi Sugimoto , Yoshihito Moriya , Noriyuki Iden , Shinitiro Kikuoka , Tadao Hasegawa
发明人： Osamu Sato , Kiyoshi Sugimoto , Yoshihito Moriya , Noriyuki Iden , Shinitiro Kikuoka , Tadao Hasegawa
CPC分类号： F01L1/3442 , F01L2001/34426
摘要： Each of a positive spline member and a negative spline member is engaged through a spline engagement with a vane rotor. Both the positive spline member and the negative spline member are securely fixed to a cam shaft by means of a bolt. The cam shaft causes an axial reciprocative movement relative to the vane rotor. Each external spline formed on the positive spline member is brought into contact at its trailing side with an internal spline of the vane rotor. Each external spline formed on the negative spline member is brought into contact at its leading side with an internal spline of the vane rotor. This arrangement eliminates any backlash formed between the internal splines of the vane rotor and the external splines of the positive and negative spline members.
摘要翻译： 正花键构件和负花键构件中的每一个通过与叶片转子的花键接合而接合。 正花键构件和负花键构件均通过螺栓牢固地固定到凸轮轴。 凸轮轴相对于叶片转子产生轴向往复运动。 形成在正花键构件上的每个外花键在其后侧与叶片转子的内花键接触。 形成在负花键构件上的每个外花键在其前侧与叶片转子的内花键接触。 这种布置消除了在叶片转子的内花键与正花键和负花键构件的外花键之间形成的任何间隙。
-
-
-
-
-
-
-
-
-
搜索结果
17 条记录 (耗时 0.023 秒)
