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    • 1. 发明专利
    • Ignition system
    • 点火系统
    • JP2013185473A
    • 2013-09-19
    • JP2012050091
    • 2012-03-07
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • NAKAYAMA KATSUTOSHIKATSURAYA KOHEI
    • F02P3/01F02P23/04H01T13/20H01T15/00
    • H01T13/40F02P1/00
    • PROBLEM TO BE SOLVED: To more reliably actualize excellent ignitability by specifying at least one of a magnitude relationship between absolute values for a plus-side voltage and a minus-side voltage and a magnitude relationship between absolute values for a plus-side current and a minus-side current during charging AC power.SOLUTION: An ignition system 31 includes an ignition plug 1, a discharge power supply 41 for applying a voltage to a gap 28 of the ignition plug 1 to generate spark discharge, and an AC power supply 51 for charging AC power into spark generated by the spark discharge to generate AC plasma. In a period for charging the AC power, for at least one of a voltage applied to the gap 28 and a current flowing in the gap 28, lower one of the absolute value of the average value of plus-side peak values and the absolute value of the average value of minus-side peak values is 20% or more of higher one of both values.
    • 要解决的问题:为了更可靠地通过指定正侧电压的绝对值与负侧电压之间的大小关系和正侧电流的绝对值之间的大小关系中的至少一个来确定优异的点火性, 在充电期间负侧电流交流电源。解决方案:点火系统31包括火花塞1,用于向火花塞1的间隙28施加电压以产生火花放电的放电电源41,以及交流电源51 用于将交流电充电到由火花放电产生的火花中以产生交流等离子体。 在对交流电力进行充电的时段中,对于施加到间隙28的电压和在间隙28中流动的电流中的至少一个,正侧峰值的平均值的绝对值和绝对值的下限值 的负侧峰值的平均值的20%以上。
    • 2. 发明专利
    • Solenoid valve controlling method in fuel system
    • 燃油系统中的电磁阀控制方法
    • JP2006307848A
    • 2006-11-09
    • JP2006113420
    • 2006-04-17
    • Andreas Stihl Ag & Co Kgアンドレアス シュティール アクチエンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト
    • NICKEL HANSNAEGELE CLAUS
    • F02M7/00
    • F02D41/345F02D41/20F02D2200/0406F02D2400/06F02N3/02F02P1/00Y02T10/44
    • PROBLEM TO BE SOLVED: To provide a solenoid valve controlling method allowing arbitrary intervention in fuel supply by minimizing the amount of energy needs. SOLUTION: An outflow of fuel to air intake passage is prevented by intercepting the fuel supply during an interrupting time 47 set by an engine controlling section 13 in such a way that the engine controlling section 13 switches a solenoid valve 21 to a closing state, depending on an operation parameter of internal combustion engine 1, by applying a supply voltage (U v ) through a controlling unit 20. During the interrupting time 47, only when negative pressure occurs in nozzles (HD, TD, L1, L2), the solenoid valve 21 is turned on electricity by applying the supply voltage (U v ) to an energizing coil of the solenoid valve 21 with the controlling unit 20, and, on the other hand, in a remaining time 50 during which no negative pressure occurs in the nozzles (HD, TD, L1, L2) even within the interrupting time 47, the controlling unit 20 interrupts the supply voltage (U v ), and switches the solenoid valve 21 to the closing state. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种通过最小化能量需求量来允许任意干预燃料供应的电磁阀控制方法。 解决方案:通过在由发动机控制部13设定的中断时间47期间截断燃料供给来防止燃料向进气通道的流出,使得发动机控制部13将电磁阀21切换到闭合 状态,取决于内燃机1的运行参数,通过施加电源电压(U v )通过控制单元20.在中断时间47期间,只有当喷嘴发生负压(HD ,TD,L1,L2),通过利用控制单元20向电磁阀21的通电线圈施加电源电压(U v )来接通电磁阀21,并且接通 另一方面,即使在中断时间47内,在喷嘴(HD,TD,L1,L2)也没有发生负压的剩余时间50中,控制单元20中断供给电压(U SB>),并将电磁阀21切换到关闭状态。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Fuel cock-integrated engine switch
    • 燃油COCK集成发动机开关
    • JP2012047063A
    • 2012-03-08
    • JP2010187436
    • 2010-08-24
    • Honda Motor Co Ltd本田技研工業株式会社
    • BUNGO KEIICHIRO
    • F02N11/08F02D11/02F02M37/00
    • F02M37/0023F02D11/02F02D17/04F02P1/00F02P11/025F16K31/088
    • PROBLEM TO BE SOLVED: To provide a fuel cock-integrated engine switch that reduces wear resulting from mechanical contact and thereby enhances durability.SOLUTION: A permanent magnet 14 is provided in an operating lever 11 that is pivoted turnably between an ON position and an OFF position. A reed switch 12 connected to an ignition device 17 is arranged in the ON position. A shutoff valve 2 of a fuel passage is arranged in the OFF position of the operating lever 11. In the OFF position, the permanent magnet 14 of the operating lever 11 approaches a valve body 3 formed with a magnetic material, and the valve body 3 is shifted upward within the case 4 to shut off the fuel passage. When the operating lever 11 is operated to shift to the ON position, the valve body 3 is shifted downward within the case 4 or receives a force applied by a spring to open the fuel passage.
    • 要解决的问题:提供一种减少由机械接触引起的磨损从而提高耐久性的燃油旋塞一体式发动机开关。 解决方案:永磁体14设置在操作杆11中,该操作杆11可在ON位置和OFF位置之间可转动地枢转。 连接到点火装置17的舌簧开关12布置在ON位置。 燃料通路的截止阀2配置在操作杆11的OFF位置。在OFF位置,操作杆11的永磁体14接近形成有磁性材料的阀体3,阀体3 在壳体4内向上移动以关闭燃料通道。 当操作杆11被操作以转换到接通位置时,阀体3在壳体4内向下移动,或接收由弹簧施加的力以打开燃料通道。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Engine revolution speed controller
    • 发动机转速控制器
    • JP2005163616A
    • 2005-06-23
    • JP2003403095
    • 2003-12-02
    • Honda Motor Co Ltd本田技研工業株式会社
    • TAMAMOTO RYUHEIYONEYAMA MASAYUKIYAMAMURA MAKOTOKANAI MITSUYOSHI
    • F02D11/02F02P5/06F02P5/15
    • F02P5/1502F02B63/02F02D11/02F02D2011/102F02D2400/06F02P1/00F02P5/1555F02P9/005Y02T10/46
    • PROBLEM TO BE SOLVED: To enable the stable maintenance of a revolution speed notwithstanding the variation in the loading without the adjustment of a throttle opening as to an engine for a working machine without a governor mechanism, and to control the revolution speed so as to extract the performance of the engine to the utmost limit.
      SOLUTION: Since the engine 1 is not equipped with the governor mechanism, it is an form in which an operator controls the engine revolution speed by adjusting the throttle opening. A map to set an ignition timing (timing advance amount) in a form of a function of the engine revolution speed is stored in an ignition timing map 30. A CPU 27 retrieves the ignition timing map 30 based on the engine revolution speed detected with a revolution speed sensor 29 to decide the ignition timing. The map 30 is set to lag the angle than the previous one when it is not less than the engine revolution speed to be restricted. When the engine revolution speed exceeds 7000 rmp, for example, retardant control is carried out. When it does not exceed 7000 rpm, it is controlled to the ignition timing corresponding to the revolution speed.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使在没有调速器机构的情况下,即使没有调节用于没有调速器机构的作业机械的发动机的节气门开度的负载变化,也能够稳定地维持转速,并且控制转速 以提高发动机的性能至极限。 解决方案:由于发动机1没有配备调速器机构,所以它是一种操作者通过调节节气门开度来控制发动机转速的形式。 将发动机转速的函数形式的点火正时(定时提前量)设定的地图存储在点火正时图30中。CPU27根据由发动机转速检测到的发动机转速检索点火正时图30 转速传感器29来决定点火正时。 当不小于要限制的发动机转速时,地图30被设定为比前一个方向延迟角度。 当发动机转速超过7000 rmp时,例如进行阻燃控制。 当其不超过7000rpm时,它被控制到对应于转速的点火正时。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Ignition signal generator for internal combustion engine
    • 用于内燃机的点火信号发生器
    • JPS60210157A
    • 1985-10-22
    • JP6577584
    • 1984-04-04
    • Hitachi Ltd
    • KAMIYAMA TAKAMIKI
    • F02P7/067F02P1/00H02K11/00H02K21/48
    • F02P1/00
    • PURPOSE: To prevent a firing circuit from erroneously operating by disposing a pulser to be excited by other magnet inside a main generator having a magnet generator.
      CONSTITUTION: When a flywheel and a pulser rotor 11 are rotated in response to the rotation of an engine and the pole piece 19B of a stator core 19 and the state that a central pole piece 21 approach N-poles and pole piece 19C approaches a S-pole is shifted to the state that the piece 21 is altered to the S-pole, an abrupt variation in a magnetic flux occurs in a pulser coil 20, and the coil 20 outputs an output voltage. The waveform of the pulser voltage is induced in the coil 20 when the pieces 21 of a pulser stator 12 move to steps 16C, 17C, the output of the same phase is applied to a stepped portion 17D at the coil 20 in addition to a normal firing signal voltage. As a result, two pulse outputs are generated. Thus, the generated voltage of a noise is suppressed to prevent a firing circuit from erroneously operating.
      COPYRIGHT: (C)1985,JPO&Japio
    • 目的:通过将具有磁铁发生器的主发电机内的其它磁体配置成被脉冲发生器励磁来防止点火电路发生误操作。 构成:当飞轮和脉冲发生器转子11响应于发动机的旋转和定子铁芯19的极靴19B旋转,并且中心极片21接近N极和极靴19C的状态接近S时 极转移到片21被改变为S极的状态,在脉冲发生器线圈20中发生磁通量的突然变化,线圈20输出输出电压。 当脉冲发生器定子12的片21移动到步骤16C,17C时,在线圈20中感应出脉冲发生器电压的波形,除正常之外,同相的输出被施加到线圈20上的阶梯部分17D 触发信号电压。 结果,产生两个脉冲输出。 因此,噪声的产生电压被抑制以防止点火电路错误地操作。