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    • 1. 发明授权
    • Engine variable valve timing mechanism
    • 发动机可变气门正时机构
    • US5724929A
    • 1998-03-10
    • US835252
    • 1997-04-07
    • Kazuhisa MikameKen AsakuraTatsuo Iida
    • Kazuhisa MikameKen AsakuraTatsuo Iida
    • F01L3/14B21D22/21B21K1/22B23P15/00F01L1/34F01L1/344F01L3/02F01L3/20F02D13/02F16D3/10
    • F01L1/3442B21D22/21B21K1/22B23P15/002F01L3/02F01L3/14F01L3/20F16D3/10F01L2001/34426
    • A variable valve timing mechanism is provided at the distal end of a camshaft for changing a valve timing of an engine valve. A rotor is fixed to the distal end face of the camshaft, and the rotor has four vanes protruding radially outward. A housing is disposed to surround the rotor to be rotatable relative to the rotor and the camshaft, and the housing has recesses on the inner circumference. Each recess is divided by the vane into a first pressure chamber and a second pressure chamber. A first passage is defined in the camshaft, for supplying a hydraulic fluid pressure to the first pressure chamber so as to change the rotational phase of the second rotor with respect to the camshaft, and the first passage has an opening at the distal end face of the camshaft. A second passage is defined in the camshaft, for supplying a fluid pressure to the second pressure chamber so as to change the rotational phase of the second rotor with respect to the camshaft, and the second passage has an opening at outer circumference of the camshaft.
    • 在可变气门正时机构设置在凸轮轴的远端,用于改变发动机气门的气门正时。 转子固定在凸轮轴的远端面上,转子具有径向向外突出的四个叶片。 壳体设置成围绕转子相对于转子和凸轮轴可旋转,并且壳体在内圆周上具有凹部。 每个凹槽由叶片分成第一压力室和第二压力室。 第一通道限定在凸轮轴中,用于向第一压力室供应液压流体压力,以便相对于凸轮轴改变第二转子的旋转相位,并且第一通道在前端面具有开口 凸轮轴。 第二通道限定在凸轮轴中,用于向第二压力室提供流体压力,以便相对于凸轮轴改变第二转子的旋转相位,并且第二通道在凸轮轴的外圆周处具有开口。
    • 2. 发明授权
    • Variable valve timing mechanism for internal combustion engine
    • 内燃机可变气门正时机构
    • US5738056A
    • 1998-04-14
    • US832264
    • 1997-04-03
    • Kazuhisa MikameTatsuo Iida
    • Kazuhisa MikameTatsuo Iida
    • F01L1/344F02D13/02F16D3/10
    • F02D13/0215F01L1/3442F02D13/0261F16D3/10F01L2001/34459F01L2001/34463F01L2001/34469F01L2001/34473Y02T10/18Y10T74/2102
    • A variable valve timing mechanism of an internal combustion engine varies the valve timing by varying the rotation phase of the camshaft with respect to a reference rotation phase of the drive shaft of the engine. The mechanism has a first rotation member and a second rotation member. The first rotation member rotates in fixed synchronism with the drive shaft and has at least one recess therein. The second rotation member is located within the first rotation member and rotates integrally with the camshaft. The second rotation member has a vane within the recess. The vane is movable between two walls of the recess and divides the recess into first and second pressure chambers. Hydraulic fluid pressure causes relative rotation of the second rotation member with respect to the first rotation member by applying pressure to the first and second pressure chambers to move the vane. The mechanism further has a lock device. The lock device restricts the relative rotation of the second rotation member with respect to the first rotation member such that the vane is kept between the two recess walls when the engine is cranking. The lock device is released after the engine reaches a predetermined running condition.
    • 内燃机的可变气门正时机构通过相对于发动机的驱动轴的基准旋转相位改变凸轮轴的旋转相位来改变气门正时。 该机构具有第一旋转构件和第二旋转构件。 第一旋转构件与驱动轴固定旋转并且在其中具有至少一个凹部。 第二旋转构件位于第一旋转构件内并与凸轮轴一体旋转。 第二旋转构件在凹部内具有叶片。 叶片可以在凹部的两个壁之间移动,并将凹槽分成第一和第二压力室。 液压流体压力通过向第一和第二压力室施加压力以使叶片移动,引起第二旋转构件相对于第一旋转构件的相对旋转。 该机构还具有锁定装置。 锁定装置限制第二旋转构件相对于第一旋转构件的相对旋转,使得当发动机起动时叶片保持在两个凹部壁之间。 在发动机达到预定行驶状态之后释放锁定装置。
    • 3. 发明授权
    • Variable valve timing mechanism for internal combustion engine
    • 内燃机可变气门正时机构
    • US5797361A
    • 1998-08-25
    • US831211
    • 1997-04-02
    • Kazuhisa MikameTatsuo Iida
    • Kazuhisa MikameTatsuo Iida
    • F01L1/344F16D3/10
    • F16D3/10F01L1/3442F01L2001/34433F01L2001/34479Y10T74/2102
    • A variable valve timing mechanism of an internal combustion engine varies the rotational phase of a driven shaft with respect to a drive shaft to vary the timing of the valve. The mechanism includes a first rotary member for a rotation in synchronism with the drive shaft and a second rotary member for a rotation in synchronism with the driven shaft. The second rotary member has a vane. The movement of the vane rotates the second rotary member with respect to the first rotary member to change the rotational phase of the driven shaft with respect to the drive shaft. Hydraulic pressure is supplied to one of the first hydraulic chamber and the second hydraulic chamber to move the vane. A lock member locks the second rotary member to the first rotary member to fix the rotational phase of the driven shaft with respect to the drive shaft. The lock member is held in a locked position when the engine is not running. The lock member is moved to an unlocked position by the hydraulic pressure when the engine reaches a predetermined running condition. The hydraulic pressure maintains the lock member in the unlocked position.
    • 内燃机的可变气门正时机构改变从动轴相对于驱动轴的旋转相位,以改变阀的正时。 该机构包括用于与驱动轴同步旋转的第一旋转构件和用于与从动轴同步旋转的第二旋转构件。 第二旋转构件具有叶片。 叶片的运动使第二旋转构件相对于第一旋转构件旋转,以改变从动轴相对于驱动轴的旋转相位。 液压被供应到第一液压室和第二液压室中的一个以移动叶片。 锁定构件将第二旋转构件锁定到第一旋转构件以将从动轴的旋转相位相对于驱动轴固定。 当发动机不运行时,锁定构件保持在锁定位置。 当发动机达到预定行驶状态时,锁定构件通过液压被移动到解锁位置。 液压保持锁定构件处于解锁位置。
    • 6. 发明授权
    • Laser beam machine
    • 激光束机
    • US07560661B2
    • 2009-07-14
    • US10574695
    • 2004-10-08
    • Toshiyoshi IchikawaWataru IidaKazuhisa MikameAkio SatouHironari Mikata
    • Toshiyoshi IchikawaWataru IidaKazuhisa MikameAkio SatouHironari Mikata
    • B23K26/08B23K26/06
    • B23K26/0884B23K26/02B23K26/067B23K26/082B23K26/0861
    • A laser beam machine for processing an article to be processed with a laser beam from a processing scanner 1 comprised of an optical system employing a laser oscillator 10. Article position controllers 2a and 2b are controlled in a coordinated manner in accordance with the direction of the laser beam from said processing scanner 1 such that the position of a surface to be processed of the article is controlled to be nearly perpendicular to the direction of the laser beam from the processing scanner 1. While an article to be processed mounted on one article position controller 2a is being processed and unloaded, another article to be processed can be loaded onto the other article position controller 2b. Thus, the wait time for the laser beam machine can be reduced and production efficiency can be improved.
    • 一种激光束机,用于利用由采用激光振荡器10的光学系统构成的处理扫描仪1的激光束来处理待处理的物品。物品位置控制器2a和2b按照协调的方式根据 来自所述处理扫描仪1的激光束使得待处理物品的表面的位置被控制为几乎垂直于来自处理扫描器1的激光束的方向。而被处理物品安装在一个物品位置 控制器2a正在被处理和卸载,另一个被处理物品可以被加载到另一物品位置控制器2b上。 因此,可以降低激光束机的等待时间,并且可以提高生产效率。
    • 9. 发明申请
    • Laser beam machine
    • 激光束机
    • US20070121682A1
    • 2007-05-31
    • US10574695
    • 2004-10-08
    • Toshiyoshi IchikawaKazuhisa MikameAkio SatouHironari Mikata
    • Toshiyoshi IchikawaKazuhisa MikameAkio SatouHironari Mikata
    • H01S3/10
    • B23K26/0884B23K26/02B23K26/067B23K26/082B23K26/0861
    • A laser beam machine for processing an article to be processed with a laser beam from a processing scanner 1 comprised of an optical system employing a laser oscillator 10 . Article position controllers 2a and 2b are controlled in a coordinated manner in accordance with the direction of the laser beam from said processing scanner 1 such that the position of a surface to be processed of the article is controlled to be nearly perpendicular to the direction of the laser beam from the processing scanner 1 . While an article to be processed mounted on one article position controller 2a is being processed and unloaded, another article to be processed can be loaded onto the other article position controller 2b. Thus, the wait time for the laser beam machine can be reduced and production efficiency can be improved.
    • 一种激光束机,用于利用由采用激光振荡器10的光学系统组成的处理扫描仪1用激光束处理待处理物品。 物品位置控制器2a和2b根据来自所述处理扫描仪1的激光束的方向以协调的方式被控制,使得待处理物品的表面的位置被控制为几乎垂直于方向 的来自处理扫描器1的激光束。 虽然正在处理和卸载安装在一个物品位置控制器2a上的要处理的物品,但是另一个待处理物品可以被加载到另一物品位置控制器2b上。 因此,可以降低激光束机的等待时间,并且可以提高生产效率。