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    • 2. 发明授权
    • Fuel injection controlling device for two-cycle engine
    • 二冲程发动机燃油喷射控制装置
    • US4989554A
    • 1991-02-05
    • US448529
    • 1989-12-11
    • Kazumitsu KushidaKudou OsamuSumitaka OgawaHiroshi Uike
    • Kazumitsu KushidaKudou OsamuSumitaka OgawaHiroshi Uike
    • F02D41/02F02B75/02F02D41/14F02D41/22F02D41/32
    • F02D41/1498F02D41/32F02B2075/025F02D2200/1015F02D2400/04
    • A fuel injection controlling device for a two-cycle engine includes an electronic fuel injection system having a fuel injection quantity determining device for determining a fuel injection amount in response to a rotational speed of said engine and a throttle opening. A misfire detecting device is provided for detecting a misfire condition of said engine. Further, a device is provided for decreasing the amount of fuel injection upon transition from a misfire condition to a fired condition. The misfire detecting device includes a sensor for detecting an internal pressure of an intake air path, a storage device for storing therein an output value of the sensor and data of an intake air path internal pressure in a predetermined operating condition of the engine upon normal combustion, and a comparison device for comparing the output value with data read out from the storage means to detect a difference in pressure. The misfire detecting device develops a misfire signal when the difference in pressure is greater than a predetermined value.
    • 一种用于双冲程发动机的燃料喷射控制装置,包括具有燃料喷射量确定装置的电子燃料喷射系统,该燃料喷射量确定装置用于响应于所述发动机的转速和节气门开度确定燃料喷射量。 提供了一种用于检测所述发动机的失火状态的失火检测装置。 此外,提供一种用于在从失火状态转变到燃烧状态时减少燃料喷射量的装置。 失火检测装置包括用于检测进气通道的内部压力的传感器,用于在其中存储传感器的输出值的存储装置和正常燃烧时发动机的预定操作条件下的进气通道内部压力的数据 以及比较装置,用于将输出值与从存储装置读出的数据进行比较,以检测压力差。 当压力差大于预定值时,失火检测装置产生失火信号。
    • 3. 发明授权
    • Fuel injection quantity control device for two cycle engines
    • 用于两个循环发动机的燃油喷射量控制装置
    • US5174261A
    • 1992-12-29
    • US720689
    • 1991-06-25
    • Takaaki FujiiOsamu KudouSumitaka OgawaHiroshi Uike
    • Takaaki FujiiOsamu KudouSumitaka OgawaHiroshi Uike
    • F02D41/22F02B75/02F02D35/02F02D41/14
    • F02D35/023F02D41/1497F02B2075/025F02D2200/1015F02D2400/04
    • A fuel injection quantity control device for use with a two cycle engine being rotatably driven by receiving a fuel-air mixture injected into the engine based on fuel injection quantity instruction signals and the air supplied through an intake passage and ignition of the fuel-air mixture in a combustion chamber includes a rotational speed Ne detection device for detecting the rotational speed Ne of the two cycle engine and for generating a rotational speed Ne signal. An opening .THETA. detection device is provided for detecting the opening .THETA. of a throttle provided in an intake passage for regulating the supply of air and for generating an opening .THETA. signal. A basic injection quantity setting device is provided for setting a basis injection quantity of the fuel based on the rotational speed, Ne signal and the opening .THETA. signal. A fuel-air mixture condition judging device judges the conditions of the fuel-air mixture and an injection quantity instruction signal generating device corrects the basic injection quantity to reduce the quantity in response to misfire in said fuel-air mixture for changing the conditions of the fuel-air mixture to ignition, and outputs the corrected basic injection quantity as an injection quantity instruction signal the fuel-air mixture condition judging device judges a misfire at the present time based on a misfire in the past.
    • 一种与两循环发动机一起使用的燃料喷射量控制装置,其通过基于燃料喷射量指令信号接收喷射到发动机中的燃料 - 空气混合物而被可旋转地驱动,并且通过进气通路供应的空气和燃料 - 空气混合物的点燃 在燃烧室中包括用于检测两循环发动机的转速Ne并产生转速Ne信号的转速Ne检测装置。 设置开口THETA检测装置,用于检测设置在进气通道中的节气门的开度THETA,用于调节空气的供应并产生开口THETA信号。 提供基本喷射量设定装置,用于基于转速Ne信号和开度THETA信号设定燃料的基准喷射量。 燃料 - 空气混合条件判断装置判断燃料 - 空气混合物的状况,并且喷射量指示信号发生装置校正基本喷射量,以减少响应于所述燃料 - 空气混合物中失火的量,以改变燃料 - 燃料 - 空气混合物点火,并且输出校正后的基本喷射量作为喷射量指示信号,燃料 - 空气混合条件判断装置基于过去基于失火来判断当前的失火。
    • 7. 发明授权
    • Rally-oriented meter device for motorcycles
    • 用于摩托车的集成式仪表设备
    • US4740905A
    • 1988-04-26
    • US708122
    • 1985-03-04
    • Hiroshi MurakamiSumitaka OgawaKiyoshi Takano
    • Hiroshi MurakamiSumitaka OgawaKiyoshi Takano
    • G01C22/00G07C5/10G01C25/00G06F15/14
    • G01C22/002G07C5/10
    • A rally-oriented meter device for motorcycles, includes a meter unit, a fixing assembly for fixing the meter unit in the vicinity of a handle bar of the motorcycle, and a sensor for detecting the number of revolutions of a front wheel of the motorcycle. The meter unit has an internal electric circuit, a display section, and an operational section. The internal electric circuit comprises an integration circuitry for an integration of a travel distance of the motor cycle. A correction circuitry provides the integration circuitry with a correction signal representing a correlation factor. The operational section comprises a calibration switch system for providing a control signal for commanding the correction circuitry to start and stop an action thereof to determine the correction factor. The display section comprises a first display element for displaying the travel distance in a predetermined unit, and a second display element for displaying the travel distance in a unit smaller than the predetermined unit. The fixing assembly is to detachably attach the meter unit in the vicinity of the handle bar. The sensor is secured to a front fork of the motor cycle and disconnectably connected through a connector to the internal electric circuit. The display section and the operational section are both provided in an upper face of the meter unit. The calibration switch system comprises a calibration switch. The calibration switch has a lower height than a top face of the display section.
    • 一种用于摩托车的集会仪表装置,包括仪表单元,用于将测量仪单元固定在摩托车的把手附近的固定组件和用于检测摩托车前轮转数的传感器。 仪表单元具有内部电路,显示部和操作部。 内部电路包括用于集成电动机循环的行进距离的集成电路。 校正电路为积分电路提供表示相关因子的校正信号。 操作部分包括校准开关系统,用于提供用于命令校正电路起动和停止其动作以确定校正因子的控制信号。 显示部分包括用于以预定单位显示行驶距离的第一显示元件和用于以小于预定单位的单位显示行驶距离的第二显示元件。 固定组件可拆卸地将仪表单元附接到把手附近。 传感器固定在电动机循环的前叉上,并通过连接器与内部电路断开连接。 显示部和操作部都设置在仪表单元的上表面。 校准开关系统包括校准开关。 校准开关的高度比显示部分的顶面低。
    • 8. 发明授权
    • Ignition timing control system for two-cycle internal combustion engines
    • 双循环内燃机点火正时控制系统
    • US4669438A
    • 1987-06-02
    • US790352
    • 1985-10-23
    • Norihisa IshiiSumitaka Ogawa
    • Norihisa IshiiSumitaka Ogawa
    • F02B75/02F02P5/155F02P15/00F02P5/145
    • F02P15/001F02P5/155F02B2075/025Y02T10/46
    • An ignition timing control system for a two-cycle internal combustion engine compares a first reference signal which rises to a predetermined level as a first pulse signal is generated corresponding to a predetermined crank angle and which thereafter decays at a predetermined slope, and a second reference signal of generally trapezoidal shape and having a pulse width corresponding to the pulse width of a second pulse signal corresponding to a predetermined crank angle. When the signal level of the second reference signal rises above that of the first reference signal, an ignition signal is generated. A first reference signal control circuit generates a triangular signal in synchronism with the second pulse signal, which triangular signal rises at a predetermined slope, and controls the first reference signal in such a manner that the first reference signal decays at a slope gentler than the predetermined slope from an instant in time at which the signal level of the triangular signal exceeds a predetermined level.
    • 用于双循环内燃机的点火正时控制系统将上升到预定水平的第一参考信号作为对应于预定曲柄角而产生的第一脉冲信号,然后以预定斜率衰减,并将第二参考信号 信号通常为梯形,并具有对应于对应于预定曲柄角的第二脉冲信号的脉冲宽度的脉冲宽度。 当第二参考信号的信号电平升高到高于第一参考信号的信号电平时,产生点火信号。 第一参考信号控制电路与第二脉冲信号同步产生三角形信号,该三角形信号以预定斜率上升,并以这样的方式控制第一参考信号,使得第一参考信号以比预定的斜率更缓慢的斜率衰减 从三角形信号的信号电平超过预定电平的时刻起的斜率。
    • 9. 发明授权
    • Brake apparatus for vehicle, and methods of using same
    • 车辆制动装置及其使用方法
    • US08046149B2
    • 2011-10-25
    • US12322103
    • 2009-01-29
    • Takehiko NanriSumitaka OgawaKazuya Takenouchi
    • Takehiko NanriSumitaka OgawaKazuya Takenouchi
    • B60T7/12B60T8/60
    • B60T8/3225B60T8/1706B60T8/885B60T13/588B60T13/745B60T2250/06
    • A brake apparatus includes first, second and third solenoid valves (hereinafter SOL1, SOL2 and SOL3) respectively disposed in a first branch pipe, a second branch pipe, and a main pipe connecting a master cylinder and a brake caliper. The brake apparatus also includes first, second and third pressure sensors (hereinafter P1, P2 and P3) respectively disposed between the master cylinder and the SOL3, between the SOL1 and a fluid loss simulator, and between the SOL2 and the hydraulic pressure modulator. The brake apparatus further includes a control unit for detecting output values of P1, P2 and P3. A resolution of P2 is set at a value greater than resolutions of P1 and P3. With SOL1 in an opened state, when detected output value of P2 is less than a predetermined value, the control unit stores output values from the respective pressure sensors as reference values.
    • 制动装置包括分别设置在第一分支管,第二分支管和连接主缸和制动钳的主管的第一,第二和第三电磁阀(以下称为SOL1,SOL2和SOL3)。 制动装置还包括分别设置在主缸和SOL3之间的SOL1和流体损失模拟器之间以及SOL2和液压调节器之间的第一,第二和第三压力传感器(以下称为P1,P2和P3)。 制动装置还包括用于检测P1,P2和P3的输出值的控制单元。 P2的分辨率设置为大于P1和P3分辨率的值。 当SOL1处于打开状态时,当检测到的P2的输出值小于预定值时,控制单元将来自各压力传感器的输出值作为基准值。
    • 10. 发明申请
    • AIRBAG JACKET ACTIVATING SYSTEM
    • 安全气囊夹套系统
    • US20110237194A1
    • 2011-09-29
    • US13052189
    • 2011-03-21
    • Hiroyuki KOJIMASumitaka Ogawa
    • Hiroyuki KOJIMASumitaka Ogawa
    • H04W4/00
    • B60R21/0132A41D13/018B60R2021/0088B62J27/00
    • An airbag jacket activating system includes radio communications transceivers configured to make RF communications and LF communications, respectively. An acceleration sensor configured to detect acceleration of a motorcycle. An update unit configured to update an LF communications ID, to code the updated LF communications ID together with an RF communications ID, and to transmit the coded updated LF communications ID and the coded RF communications ID to an airbag jacket through RF communications. An update unit configured to store the updated LF communications ID in a case where the LF communications ID is received together with the RF communication ID. A control unit configured to cause the coded RF communications ID and an ignition signal to be transmitted through the RF communications, and to cause the LF communications ID and the ignition signal to be transmitted through the LF communications when the acceleration exceeds a predetermined value;
    • 安全气囊夹套启动系统包括分别配置成进行RF通信和LF通信的无线电通信收发器。 一种被配置为检测摩托车的加速度的加速度传感器。 更新单元,被配置为更新LF通信ID,将更新的LF通信ID与RF通信ID一起编码,并且通过RF通信将经编码的更新的LF通信ID和编码的RF通信ID发送到气囊外套。 更新单元,被配置为在LF通信ID与RF通信ID一起被接收的情况下存储更新的LF通信ID。 控制单元,被配置为通过RF通信来发送编码的RF通信ID和点火信号,并且当加速度超过预定值时,使得LF通信ID和点火信号通过LF通信发送;