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    • 42. 发明授权
    • Apparatus and method for controlling variable valve mechanism
    • 用于控制可变气门机构的装置和方法
    • US09109472B2
    • 2015-08-18
    • US13617034
    • 2012-09-14
    • Norihiro ArayaKenichi Machida
    • Norihiro ArayaKenichi Machida
    • F02D41/22F01L9/04F01L1/34F01L1/047
    • F01L1/34F01L2001/0473F01L2250/04F01L2800/12
    • An control apparatus for a variable valve mechanism, is capable of executing fail safe control in a case in which locking occurs in either one of a cam shaft of a double shaft structure. The control apparatus for a variable valve mechanism has a cam shaft of a double shaft structure including an outer cam shaft and an inner cam shaft, such that it is possible to adjust the phase of a sub cam of inner cam shaft with respect to an main cam of outer cam shaft, and by means these cams, at least one of an intake valve and an exhaust valve of an internal combustion engine is operated. When an abnormality is detected in one of the cam shafts, the control apparatus controls the phase of the cam of the other cam shaft, in accordance with the determined current phase of the cam.
    • 在双轴结构的凸轮轴中的任意一个中发生锁定的情况下,可变阀机构的控制装置能够执行故障安全控制。 用于可变气门机构的控制装置具有包括外凸轮轴和内凸轮轴的双轴结构的凸轮轴,使得可以相对于主轴调节内凸轮轴的副凸轮的相位 外凸轮轴的凸轮,并且通过这些凸轮,操作内燃机的进气门和排气阀中的至少一个。 当在其中一个凸轮轴中检测到异常时,控制装置根据确定的凸轮的当前相位来控制另一个凸轮轴的凸轮的相位。
    • 45. 发明授权
    • Nd-Fe-B magnet with modified grain boundary and process for producing the same
    • 具有改性晶界的Nd-Fe-B磁体及其制造方法
    • US07824506B2
    • 2010-11-02
    • US11793272
    • 2005-12-14
    • Kenichi MachidaShunji Suzuki
    • Kenichi MachidaShunji Suzuki
    • H01F1/057
    • H01F1/0577C22C29/14H01F41/0293
    • In known methods, an improvement of the coercive force is realized by allowing the Dy metal or the like to present selectively in crystal grain boundary portions of a sintered magnet. However, since these are based on a physical film formation method, e.g., sputtering, through the use of a vacuum vessel, there is a mass productivity problem when a large number of magnets are treated. Furthermore, there is a magnet cost problem from the viewpoint that, for example, an expensive, high-purity Dy metal or the like must be used as a raw material for film formation. The method for modifying grain boundaries of a Nd—Fe—B base magnet includes the step of allowing an M metal component to diffuse and penetrate from a surface of a Nd—Fe—B base sintered magnet body having a Nd-rich crystal grain boundary phase surrounding principal Nd2Fe14B crystals to the grain boundary phase through a reduction treatment of a fluoride, an oxide, or a chloride of an M metal element (where M is Pr, Dy, Tb, or Ho).
    • 在已知的方法中,通过使Dy金属等选择性地存在于烧结磁体的晶界部分中,可以实现矫顽力的提高。 然而,由于这些是基于物理成膜方法,例如溅射,通过使用真空容器,当大量的磁体被处理时,存在批量生产率问题。 此外,从例如必须使用昂贵,高纯度的Dy金属等作为成膜原料的观点出现磁铁成本问题。 Nd-Fe-B基磁体的晶界的修饰方法包括使M金属成分从具有富Nd晶界的Nd-Fe-B基烧结磁体的表面扩散并贯穿的步骤 通过还原处理M金属元素(其中M是Pr,Dy,Tb或Ho)的氟化物,氧化物或氯化物,使主要的Nd 2 Fe 14 B晶体相向晶界相。
    • 47. 发明授权
    • Method of controlling fuel injection and ignition of an internal combustion engine, using monitored intake pressure
    • 使用监测的进气压力控制内燃机的燃料喷射和点火的方法
    • US07783411B2
    • 2010-08-24
    • US12290981
    • 2008-11-04
    • Yukihiro AsadaKenichi Machida
    • Yukihiro AsadaKenichi Machida
    • F02D41/00F02D45/00
    • F02D37/02F02D41/009F02D2041/0092F02D2200/0406
    • An engine control method, based on engine intake pressure, is operable to shorten a period from a start of cranking until a sequential fuel injection control is determined. Provisional and final stroke determinations are made for a plurality of cylinders from a synthetic manifold pressure waveform. The provisional stroke determination is made after a crankshaft is rotated 720 degrees after settlement of a crank reference position. The final stroke determination is made when the crankshaft rotates 1440 degrees after the provisional stroke determination. When the provisional stroke determination is made, fuel is injected into the cylinders based on a detected value of the engine intake pressure; and when the stroke determination is finally settled, the fuel injection and ignition of the engine are controlled based on the detected value of the engine intake pressure.
    • 基于发动机进气压力的发动机控制方法可操作以缩短从启动开始直到确定顺序燃料喷射控制的时间段。 根据合成歧管压力波形对多个气缸进行临时和最后的行程确定。 临时行程确定是在曲轴基准位置下降之后将曲轴旋转720度之后进行的。 当在临时行程确定之后曲轴旋转1440度时,进行最后行程确定。 当进行临时行程确定时,基于发动机进气压力的检测值将燃料喷射到气缸中; 并且当最终确定行程确定时,基于发动机进气压力的检测值来控制发动机的燃料喷射和点火。
    • 48. 发明申请
    • Fuel injection control apparatus for a vehicle, and method of using same
    • 用于车辆的燃料喷射控制装置及其使用方法
    • US20090192695A1
    • 2009-07-30
    • US12321277
    • 2009-01-16
    • Kenichi Machida
    • Kenichi Machida
    • F02D41/30
    • F02D41/221F02D41/20F02D2041/2093
    • A fuel injection control apparatus includes a low-side driver, arranged electrically downstream of an injector and operable to drive the injector with a changeover of an ON-OFF state thereof in response to a drive signal from a CPU; a high-side driver, arranged electrically upstream of the injector and downstream of a power source, and having an ON-OFF state thereof which may be changed in response to the drive signal from the CPU; a high-side return signal detection unit and a low-side return signal detection unit. Each of the low-side and high-side drivers includes a transistor arranged inside an ECU. The CPU diagnoses a function of a drive circuit based on the presence or non-presence of return signals received from the high-side return signal detection unit and the low-side return signal detection unit with respect to predetermined driving states of both the low-side and high-side drivers.
    • 一种燃料喷射控制装置,包括:低压侧驱动器,其布置在喷射器的下游,并可操作以响应于来自CPU的驱动信号而切换其ON-OFF状态来驱动喷射器; 高压侧驱动器,其布置在喷射器的上游和电源的下游,并且具有可以响应于来自CPU的驱动信号而改变的开 - 关状态; 高侧返回信号检测单元和低侧返回信号检测单元。 低侧和高侧驱动器中的每一个包括布置在ECU内的晶体管。 CPU基于从高侧返回信号检测单元和低侧返回信号检测单元接收的返回信号的存在或不存在相对于两个低侧返回信号检测单元的预定驱动状态来诊断驱动电路的功能, 侧面和高端的司机。
    • 49. 发明申请
    • Ignition control apparatus and method for controlling ignition of a four-cylinder engine
    • 用于控制四缸发动机点火的点火控制装置和方法
    • US20090126685A1
    • 2009-05-21
    • US12288536
    • 2008-10-21
    • Yukihiro AsadaKenichi Machida
    • Yukihiro AsadaKenichi Machida
    • F02P5/05
    • F02P5/1506F02D41/2422F02D2041/0092F02P5/1512F02P15/08Y02T10/46
    • An engine ignition control apparatus for controlling ignition of a multi-cylinder, 4-cycle engine includes dual ignition coils for controlling ignition timing of the respective cylinders during engine operation. The engine ignition control apparatus includes a stroke determination unit for determining a stroke based on crank pulses and on an output signal of an intake pressure sensor. The engine ignition control apparatus also includes an ignition map allocation unit for allocating ignition maps to the respective cylinders of two ignition systems, each having a pair of cylinders with a same phase, before the stroke determination. The ignition map allocation unit also allocates ignition maps independently to each of the respective cylinders after the stroke determination. The engine ignition control apparatus also includes an ignition timing calculation unit for calculating ignition timing of the respective ignition coils based on the ignition maps allocated to the respective cylinders.
    • 用于控制多缸4冲程发动机点火的发动机点火控制装置包括用于在发动机运转期间控制各气缸的点火正时的双重点火线圈。 发动机点火控制装置包括用于基于曲柄脉冲和进气压力传感器的输出信号确定行程的行程确定单元。 发动机点火控制装置还包括点火图分配单元,用于在行程确定之前将点火图分配给两个点火系统的各个气缸,每个具有相同相位的一对气缸。 点火图分配单元还在卒中确定之后独立地分配各个气缸中的点火图。 发动机点火控制装置还包括点火正时计算单元,用于基于分配给各个气缸的点火图来计算各个点火线圈的点火正时。
    • 50. 发明授权
    • Steering damper apparatus, and method of using same
    • 转向阻尼装置及其使用方法
    • US07377533B2
    • 2008-05-27
    • US11045794
    • 2005-01-28
    • Yoshiaki TakeuchiMakoto OnoKenichi Machida
    • Yoshiaki TakeuchiMakoto OnoKenichi Machida
    • B62K21/00
    • B62K21/08F16F9/145
    • A steering damper is provided coaxially with a steering shaft, and a handlebar load is provided by causing a variable valve to generate damping force, using rotation of the steering shaft. The damping force is variably controlled in response to vehicle speed. The damping force is fixed to a minimum value C1 for vehicle speeds equal to or below first reference speed V1, fixed to a maximum value C2 for vehicle speeds equal to or above second reference speed V2, and variably controlled in response to vehicle speed and acceleration in an intermediate speed range. Fine maneuverability of a vehicle body is achieved by reducing a load on a handlebar at low vehicle speeds, and a stable movement of the vehicle body is maintained at high vehicle speed by increasing the load on the handlebar and thereby suppressing deflection of the handlebar.
    • 转向阻尼器与转向轴同轴地设置,并且通过使转向轴的旋转使可变阀产生阻尼力来提供车把负载。 阻尼力根据车速可变地控制。 对于等于或低于第一基准速度V 1的车速,将阻尼力固定为最小值C 1,对于等于或高于第二参考速度V 2的车速固定为最大值C 2,并响应于 中速范围内的车速和加速度。 通过在车辆低速度下减小车把的负载来实现车身的良好的机动性,通过增加把手上的负载,从而保持车体的高速运转,从而抑制把手的偏转。