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    • 2. 发明专利
    • Continuous gas carburizing furnace
    • 连续气体保鲜炉
    • JP2011208838A
    • 2011-10-20
    • JP2010074918
    • 2010-03-29
    • Chugai Ro Co LtdToyota Motor Corpトヨタ自動車株式会社中外炉工業株式会社
    • YAMADA MASAHIROOSHITA OSAMUTOYAMA TOSHINORIKONO YUDAI
    • F27B9/12C21D1/06C21D1/18C21D1/76C23C8/20F27B9/02F27B9/04
    • F27B9/045C21D1/58C21D1/613C21D1/74C21D1/76C23C8/20F27B9/04F27D2009/0072F27D2009/0075F27D2009/0081F27D2009/0089
    • PROBLEM TO BE SOLVED: To provide a continuous gas carburizing furnace which optionally selects gas quenching and oil quenching, requires a narrow installation space, prevents an increase in facility cost, has high productivity, comprises a simple configuration and has high reliability as the entire facility.SOLUTION: The continuous gas carburizing furnace includes: a gas carburizing processing chamber (a preheating chamber 2, a heating chamber 3, a carburizing chamber 4, a diffusion chamber 5 and a temperature decrease chamber 6) in which a gas carburizing process is performed with respect to a treated object 50; an oil quenching chamber 8 in which oil quenching is performed with respect to the treated object 50; and a gas quenching chamber 7 in which gas quenching is performed with respect to a treated object 50. The gas carburizing processing chamber includes the temperature decrease chamber 6 in which the temperature of the treated object heated by the gas carburizing process is lowered. The temperature decrease chamber 6, the gas quenching chamber 7 and the oil quenching chamber 8 are arranged in that order from the upstream side to the downstream side in the carrying direction of the treated object 50, and are adjacent to each other.
    • 要解决的问题:为了提供可选择气体淬火和油淬的连续气体渗碳炉,需要较窄的安装空间,防止设备成本的增加,生产率高,包括简单的结构,并且作为整个设备具有高的可靠性 。解决方案:连续气体渗碳炉包括:进行气体渗碳处理的气体渗碳处理室(预热室2,加热室3,渗碳室4,扩散室5和减温室6) 相对于处理对象50; 油淬火室8,其中相对于处理物体50进行油淬火; 以及气体淬火室7,其中相对于处理物体50进行气体骤冷。气体渗碳处理室包括温度降低室6,在该温度降低室6中,通过气体渗碳处理加热的被处理物体的温度降低。 温度降低室6,气体骤冷室7和油淬冷却室8从被处理物体50的输送方向的上游侧向下游侧依次配置,并且彼此相邻。
    • 3. 发明专利
    • Switching device
    • 切换设备
    • JP2009159259A
    • 2009-07-16
    • JP2007334556
    • 2007-12-26
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA MASAHIROMORISHITA HIDETOSHI
    • H03K17/687H02M1/08H02M7/48H03K17/14H03K17/56
    • PROBLEM TO BE SOLVED: To provide a switching device capable of preventing a semiconductor element from malfunctioning when being turned on. SOLUTION: Disclosed is the switching device for the semiconductor switching element Q1, the switching device comprising a time variation rate detecting means H1 of detecting the time variation rate of the gate voltage of the semiconductor switching element Q1, sign change detecting means CMP1 and CMP2 of detecting change in sign of the time variation rate based upon a detection result of the time variation rate detecting means H1, and switching means G1, M6 and R3 of varying a driving voltage or driving current to turn on the switching element Q1 according to detection timing of change in sign of the time variation rate detected by the sign change detecting means CMP1 and CMP2. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够防止半导体元件在导通时发生故障的开关装置。 解决方案:公开了用于半导体开关元件Q1的开关器件,该开关器件包括检测半导体开关元件Q1的栅极电压的时间变化率的时间变化率检测器件H1,符号变化检测器件CMP1 和基于时间变化率检测装置H1的检测结果来检测时间变化率的符号变化的CMP2以及改变驱动电压或驱动电流的开关装置G1,M6和R3,以使开关元件Q1导通 涉及由符号改变检测装置CMP1和CMP2检测到的时间变化率的符号变化的检测定时。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Driver for insulating gate-type semiconductor element
    • 绝缘栅型半导体元件的驱动器
    • JP2008305956A
    • 2008-12-18
    • JP2007151536
    • 2007-06-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA MASAHIRO
    • H01L29/739H01L27/04H01L29/78
    • PROBLEM TO BE SOLVED: To solve such a problem that a switching loss increases, because a gate resistance is enlarged in order to suppress a surge occurring at the time of turn-on in a conventional driver for an insulating gate-type semiconductor element. SOLUTION: This invention relates to the driver for the insulating gate-type semiconductor element, equipped with: a second drift layer 23 of n-type having a higher impurity concentration than that of a first drift layer 22; a base layer 24 of p-type; a first trench 31a partitioning a main cell region Rm in which an emitter layer 25 is formed and a dummy cell region Rd in which any emitter layer 25 is not formed; a second trench 31b in the main cell region Rm; a first gate electrode 11a in the first trench 31a; and a second gate electrode 11b in the second trench 31b or the like, wherein there are provided: a first gate drive circuit 52a impressing a gate driving signal to the first gate electrode 11a; a second gate drive circuit 52b impressing the gate driving signal to the second gate electrode 11b; and delay means 53 for delaying an impression start time of the gate driving signal to the first gate electrode 11a later than that to the second gate electrode 11b. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题为了解决开关损耗增加的问题,由于为了抑制在传统的绝缘栅型半导体驱动器中在导通时发生的浪涌而增加栅极电阻 元件。 绝缘栅型半导体元件的驱动器技术领域本发明涉及绝缘栅型半导体元件的驱动器,其具有:具有比第一漂移层22杂质浓度高的n型第二漂移层23; p型的基底层24; 分隔其中形成有发射极层25的主单元区域Rm的第一沟槽31a和没有形成任何发射极层25的虚设单元区域Rd; 主电池区域Rm中的第二沟槽31b; 第一沟槽31a中的第一栅电极11a; 以及在第二沟槽31b等中的第二栅电极11b,其中设置有:向第一栅电极11a施加栅极驱动信号的第一栅极驱动电路52a; 将栅极驱动信号施加给第二栅电极11b的第二栅极驱动电路52b; 以及用于将栅极驱动信号的印模开始时间延迟到比第二栅电极11b晚的第一栅电极11a的延迟装置53。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Gate voltage control circuit and gate voltage control method
    • 门电压控制电路和门控电压控制方法
    • JP2008220119A
    • 2008-09-18
    • JP2007057066
    • 2007-03-07
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA MASAHIRO
    • H02P27/08H02M1/08H02M7/00H02P27/06H03K17/56
    • PROBLEM TO BE SOLVED: To provide a gate voltage control circuit capable of changing the turn-off speed of a switching element according to target rotational speed of a motor and of turning off the switching element at high speed, without generating a high surge voltage at turn-on, when the motor is driven at a high speed and with low torque. SOLUTION: The gate voltage control circuit comprises a carrier frequency determination means, a duty ratio calculation means, a pulse voltage output means, a turn-on circuit, which connects a gate voltage source to the gate of a switching element having a gate via a turn-on switch and a gate-on resistor; a turn-off circuit, which connects the gate of the switching element, having a gate to a reference potential point via a turn-off switch and a gate-off resistor; and a resistance changing means, which adjust to the low side the resistance between the gate of the switching element, having the gate of the turn-off circuit and the reference potential point, when the carrier frequency is high. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够根据电动机的目标转速改变开关元件的关断速度并且高速关断开关元件而不产生高电平的栅极电压控制电路 当电机以高速和低扭矩驱动时,导通时的浪涌电压。 解决方案:栅极电压控制电路包括载波频率确定装置,占空比计算装置,脉冲电压输出装置,导通电路,其将栅极电压源连接到具有开关元件的栅极 通过导通开关和栅极导通电阻; 关断电路,其通过断开开关和栅极截止电阻将具有栅极的开关元件的栅极连接到参考电位点; 以及电阻改变装置,当载波频率高时,将具有关断电路的栅极和基准电位点的开关元件的栅极之间的电阻调节到低压侧。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Winding device for cylindrical battery formation
    • 用于圆柱形电池形成的绕线装置
    • JP2009129698A
    • 2009-06-11
    • JP2007303405
    • 2007-11-22
    • Toyota Motor Corpトヨタ自動車株式会社
    • WATANABE TATSUHIKONAKAMURA TOSHIYAYAMADA MASAHIROYABUTANI TAKASHIHAMAMOTO KENICHI
    • H01M10/04H01M10/0587
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To provide a winding device for forming a cylindrical battery which can improve winding slippage of a separator, cathode and anode when the separator, cathode and anode are stacked and wound up into a concentrically wound shape, and has a simple mechanism.
      SOLUTION: The winding device is provided with a first supply shaft and a second supply shaft on which separator rolls obtained by winding belt-shape separators are installed, a working table on which a separator taken out from the separator roll, a strip-shape cathode and a strip-shape anode are stacked so as to interpose the separator between the cathode and the anode, and a winding-up shaft to wind up the separator, cathode and anode stacked on the working table. The first supply shaft and the second supply shaft each have a structure swingable about a fixed shaft arranged as a fulcrum above the supply shaft. The separator taken out from the separator roll is taken out above the horizontal plane.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于形成圆柱形电池的卷绕装置,其可以在隔板,阴极和阳极堆叠并缠绕成同心卷绕形状时改善隔板,阴极和阳极的绕组滑动,并且具有 一个简单的机制。 卷绕装置设置有第一供给轴和第二供给轴,在该第一供给轴和第二供给轴上安装有通过卷绕带状分离器获得的分离辊,工作台,从分离器卷取出的分离器,带 堆叠阴极和带状阳极,以将隔板插入在阴极和阳极之间,以及卷绕轴,以将堆叠在工作台上的隔板,阴极和阳极卷起。 第一供给轴和第二供给轴各自具有围绕设置在供应轴上方的支点的固定轴可摆动的结构。 从分离器卷取出的分离器从水平面上方取出。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Temperature detecting apparatus for semiconductor module
    • 用于半导体模块的温度检测装置
    • JP2008051775A
    • 2008-03-06
    • JP2006231113
    • 2006-08-28
    • Toyota Motor Corpトヨタ自動車株式会社
    • YAMADA MASAHIRO
    • G01K7/01
    • PROBLEM TO BE SOLVED: To accurately detect temperature of the hottest element from among a plurality of semiconductor elements that constitute a semiconductor module. SOLUTION: This temperature detecting apparatus of the semiconductor module, constituted by the plurality of semiconductor elements, comprises a plurality of sense diodes 1 that are disposed in each semiconductor element and output voltage corresponding to the temperature of the semiconductor element, and a plurality of comparator CMPs that are disposed for each of output voltage of the sense diodes 1 and compare the reference voltage 3 with the output voltage of the diodes 1. The voltage value of the reference voltage 3, when all the output voltages of the comparator CMPs go into Hi level by varying the reference voltage 3, is specified as the temperature of the hottest semiconductor element from among the plurality of semiconductor elements. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了从构成半导体模块的多个半导体元件中精确地检测最热元件的温度。 解决方案:由多个半导体元件构成的半导体模块的该温度检测装置包括设置在每个半导体元件中的多个感测二极管1和对应于半导体元件的温度的输出电压,以及 多个比较器CMP,其被设置用于感测二极管1的每个输出电压,并将参考电压3与二极管1的输出电压进行比较。当比较器CMP的所有输出电压全部时,参考电压3的电压值 通过改变参考电压3进入Hi电平,被指定为多个半导体元件中最热的半导体元件的温度。 版权所有(C)2008,JPO&INPIT