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    • 25. 发明申请
    • AUTOMOTIVE CONTROL DEVICE AND PERIOD MEASUREMENT METHOD FOR THE SAME
    • 汽车控制装置及其相应的测量方法
    • US20140081557A1
    • 2014-03-20
    • US14023048
    • 2013-09-10
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Satoshi YAMAZAKINaoto Hasegawa
    • F02D1/16
    • F02D1/16F02D35/028F02D37/02F02P5/145F02P7/06
    • The invention relates to an automotive control device and a period measurement method for measuring a period of a pulse signal input from outside. The automotive control device processes the pulse signal input from outside using an analog filter in parallel with a digital filter. When a difference between a measured value of a period of an output signal of analog filter and a measured value of a period of an output signal of digital filter is less than a threshold value, the automotive control device selects the measured value of the period of the output signal of analog filter as the period of the pulse signal. Meanwhile, when the difference between the measured values is greater than the threshold value, the automotive control device selects the measured value of the period of the output signal of digital filter as the period of the pulse signal.
    • 本发明涉及一种用于测量从外部输入的脉冲信号的周期的汽车控制装置和周期测量方法。 汽车控制装置使用与数字滤波器并联的模拟滤波器处理从外部输入的脉冲信号。 当模拟滤波器的输出信号的周期的测量值与数字滤波器的输出信号的周期的测量值之间的差小于阈值时,汽车控制装置选择周期的测量值 模拟滤波器的输出信号作为脉冲信号的周期。 同时,当测量值之间的差大于阈值时,汽车控制装置选择数字滤波器的输出信号的周期的测量值作为脉冲信号的周期。
    • 27. 发明授权
    • Fuel injection timing system
    • 燃油喷射定时系统
    • US5630402A
    • 1997-05-20
    • US666081
    • 1996-06-19
    • Michael J. DevineRobert L. Kiliz
    • Michael J. DevineRobert L. Kiliz
    • F02M37/04F02D1/08F02D1/16F02D1/18F02M59/20F16D3/10
    • F02D1/18F02D1/16F16D3/10F02D2001/087
    • An electronic timing system for controlling the injection angle of a fuel pump, comprising an input sleeve (12), an output drum (36), an intermediate drive sleeve (30), a drive plate (60), a drive yoke (76), and a stepper motor (90). Drive sleeve (30) includes a pair of radially inwardly and outwardly projecting drive pins (32), and drum (36) and input sleeve (12) both include helical slots (38) and (16), respectively, through which pins (32) project. Vertical movement of yoke (76) causes axial movement of drive plate (60) and drive sleeve (30), which causes a relative rotational adjustment of angle between input sleeve (12) and output drum (36), for retarding and advancing the timing of the fuel injection system.
    • 一种用于控制燃料泵的喷射角的电子定时系统,包括输入套筒(12),输出鼓(36),中间驱动套筒(30),驱动板(60),驱动轭(76) ,和步进马达(90)。 驱动套管(30)包括一对径向向内和向外突出的驱动销(32),并且滚筒(36)和输入套筒(12)都分别包括螺旋槽(38)和(16),销(32) )项目。 磁轭(76)的垂直运动导致驱动板(60)和驱动套筒(30)的轴向移动,这导致输入套筒(12)和输出鼓(36)之间的角度的相对旋转调节,用于延迟和推进定时 的燃油喷射系统。
    • 29. 发明授权
    • Differential timing altering mechanism for fuel injectors
    • 燃油喷射器的差速定时改变机制
    • US4294218A
    • 1981-10-13
    • US955082
    • 1978-10-26
    • Dennis M. KingRonald D. Richardson
    • Dennis M. KingRonald D. Richardson
    • F02D1/16F02D1/18F16D3/10F02M59/20
    • F02D1/162F02D1/16F02D1/183F16D3/10Y10T74/1956
    • A power plant including an internal combustion engine having a rotary output, a fuel injection pump having a rotary input adapted to be driven by the rotary output in timed relation thereto, and structure interconnecting the input and output including first and second spaced, nonengaging gears, one connected to the input and the other connected to the output, a third gear disposed between and engaging both the first and second gears, a movable carrier journalling the third gear and mounting the third gear for movement whereby the rotational axis of the third gear may be shifted relative to at least one of the first and second gears, and a selectively operable motor connected to the carrier for moving the same to shift the third gear to selectively alter the phasing between the engine and the fuel pump.
    • 一种包括具有旋转输出的内燃机的发电厂,具有旋转输入的燃料喷射泵,所述旋转输入件适于以与其成正比关系的所述旋转输出驱动,以及使包括第一和第二间隔非啮合齿轮的输入和输出相互连接的结构, 一个连接到输入端,另一个连接到输出端,三个齿轮设置在第一和第二齿轮之间,并且与第二齿轮啮合;可移动的托架支撑第三齿轮并安装第三齿轮以进行运动,由此第三齿轮的旋转轴线可以 相对于第一和第二齿轮中的至少一个齿轮移动,以及连接到载体的可选择性操作的马达用于使其移动以移动第三齿轮以选择性地改变发动机和燃料泵之间的定相。
    • 30. 发明授权
    • Adjustable timing mechanism for fuel injection system
    • 燃油喷射系统的可调定时机构
    • US4206734A
    • 1980-06-10
    • US864813
    • 1977-12-27
    • Julius P. PerrAndrew C. Rosselli
    • Julius P. PerrAndrew C. Rosselli
    • F02M39/00F02D1/16F02M39/02F02M57/02
    • F02M57/021F02D1/16F02M39/02
    • This disclosure deals with apparatus for adjusting the timing of injection in an internal combustion engine wherein the fuel system includes unit injectors. The injector for each combustion chamber of the engine is actuated to inject fuel by a cam-follower-linkage mechanism that operates in time relation with the movement of the pistons of the engine. Each such mechanism includes a cam which is rotated in synchronism with the pistons of the engine, a pivotable cam follower which rides on the cam, and a linkage which connects the follower with an injector. The injector includes a plunger which seats on a cup or nozzle to terminate injection. To adjust the timing of injection, the pivot point of the follower and the angular point of engagement of the follower with the cam are moved. The relation of the cam, the follower and the linkage are arranged such that the movement of the linkage does not materially change the effective travel of the plunger as the timing is changed within a broad range. Consequently, the compression load on the plunger and the injector nozzle remains substantially constant at the termination of injection regardless of changes of the timing.
    • 本公开涉及用于调节内燃机中的喷射定时的装置,其中燃料系统包括单元喷射器。 发动机的每个燃烧室的喷射器被致动以通过与发动机的活塞的运动时间关系地操作的凸轮从动件联动机构来喷射燃料。 每个这样的机构包括与发动机的活塞同步旋转的凸轮,骑在凸轮上的可枢转凸轮从动件以及将从动件与喷射器连接的联动装置。 喷射器包括一个柱塞,其位于杯子或喷嘴上以终止喷射。 为了调整注射时间,从动件的枢转点和从动件与凸轮的接合角度点移动。 凸轮,从动件和连杆的关系被布置成使得当定时在宽范围内变化时,连杆的运动不会实质上改变柱塞的有效行程。 因此,无论定时的变化如何,在注射终止时,柱塞和喷射器喷嘴上的压缩载荷保持基本恒定。