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    • 4. 发明授权
    • Electric drill apparatus
    • 电钻机
    • US07121773B2
    • 2006-10-17
    • US10674249
    • 2003-09-29
    • Toshio MikiyaKeisuke ShimadaMunenori YamaguchiTakashi ChibaKenji Ohtsuka
    • Toshio MikiyaKeisuke ShimadaMunenori YamaguchiTakashi ChibaKenji Ohtsuka
    • B23B39/00
    • B25H1/0071B23Q11/04Y10T408/13Y10T408/14Y10T408/16Y10T408/165Y10T408/17Y10T408/554Y10T408/65Y10T408/6779
    • An electric drill apparatus having a low profile is provided which comprises an annular cutter, a motor for rotating the annular cutter, a rotary shaft assembly for rotating the annular cutter attached to its leading end about a rotating, a rotation reduction mechanism disposed between the motor and rotary shaft assembly for transmitting a driving force of the motor to the annular cutter through the rotary shaft assembly, a feed mechanism responsive to an operation of a manual handle, for moving the rotary shaft assembly along with a straight line to advance or retract the annular cutter attached to the rotary shaft assembly with respect to a workpiece, and an adhesion base for securing the electric drill apparatus to the workpiece. The annular cutter has a plurality of cutting blades comprised of cemented carbide tips fixed on its lower end, thereby it is capable of rotating at a high speed. The rotary shaft assembly has a rotating shaft which rotates in a direction different from that of a rotating shaft of the motor, thereby the drill apparatus has a low profile.
    • 提供一种具有低轮廓的电钻装置,其包括环形切割器,用于旋转环形切割器的马达,用于旋转安装在其前端周围的旋转的环形切割器的旋转轴组件,设置在马达 以及用于通过旋转轴组件将电动机的驱动力传递到环形切割器的旋转轴组件,响应于手动手柄的操作的进给机构,用于沿着直线移动旋转轴组件以推进或缩回 环形切割器相对于工件附接到旋转轴组件,以及用于将电钻装置固定到工件的粘合基座。 环形切割器具有多个切割刀片,其由固定在其下端上的硬质合金刀头组成,从而能够高速旋转。 旋转轴组件具有沿与电动机的旋转轴不同的方向旋转的旋转轴,从而钻具具有低轮廓。
    • 8. 发明申请
    • Method for clarifying exhaust gas
    • 净化废气的方法
    • US20050201915A1
    • 2005-09-15
    • US10516826
    • 2003-05-16
    • Kenji OhtsukaSatoshi ArakawaKoshi Ochi
    • Kenji OhtsukaSatoshi ArakawaKoshi Ochi
    • B01D53/56B01D53/86B01D53/94B01J23/26B01J23/72B01D53/72
    • B01D53/8646B01D53/8625B01D53/8628B01D53/8668B01D2258/0216B01J23/26B01J23/72
    • A cleaning process of exhaust gas which comprises the steps of bringing the exhaust gas containing at least one of nitrogen oxides or organic solvent into contact with a cleaning agent comprising metal as a reductive cleaning agent component and metal oxide as an oxidative cleaning agent component or comprising lower valent metal oxide as a reductive cleaning agent component and higher valent metal oxide as an oxidative cleaning agent component while heating them. Conducting at least one of reduction of the nitrogen oxides by the reductive cleaning agent component or oxidative decomposition of the organic solvent by the oxidative cleaning agent component, simultaneously detecting a variation of a constitutional ratio between the reductive cleaning agent component and the oxidative cleaning agent component with the progress of oxidation-reduction reaction, supplying a correction gas when the constitutional ratio deviates from a predetermined control range, and restoring the constitutional ratio within the control range. A cleaning process of exhaust gas containing nitrogen oxides and/or organic solvent with high and varying concentration discharged from a manufacturing process of semiconductor capable of easily cleaning at relatively low temperature and with high decomposition factor without using large-scale cleaning apparatus or a complicated structural cleaning apparatus is provided.
    • 一种排气净化方法,其特征在于包括以下步骤:将含有至少一种氮氧化物或有机溶剂的排气与包含金属的清洁剂作为还原性清洁剂组分和金属氧化物作为氧化性清洁剂组分接触,或包含 作为还原性清洗剂成分的低价金属氧化物和作为氧化性清洗剂成分的高价金属氧化物,同时加热它们。 通过还原性清洗剂成分进行氮氧化物的还原,氧化性清洗剂成分氧化分解,同时检测还原性清洗剂成分与氧化性清洗剂成分之间的构成比的变化 随着氧化还原反应的进行,当构成比偏离预定的控制范围时,提供校正气体,并将构成比恢复到控制范围内。 含有高浓度且不同浓度​​的氮氧化物和/或有机溶剂的废气的清洁过程,其能够在不使用大型清洁装置或复杂结构的情况下在相对低的温度和高分解因子下容易地清洗的半导体制造过程中排出 提供清洁装置。
    • 10. 发明申请
    • PORTABLE DRILLING MACHINE
    • 便携式钻孔机
    • US20120320479A1
    • 2012-12-20
    • US13518593
    • 2009-12-24
    • Kenji Ohtsuka
    • Kenji Ohtsuka
    • H02H3/00
    • B23B45/02B23B2270/32
    • ProblemDisclosed is a portable drilling machine wherein when a shorting failure occurs in a circuit part connected to a driving motor, this state is reliably detected and a false start of the motor is reliably prevented.SolutionA diving motor control circuit (78) in this portable drilling machine comprises a main control section (86); a triac (58) and a relay (60) which are connected to power supply terminals (38L, 38M) in series with the driving motor (42); peripheral circuits (44) (a triac control circuit (66), a relay control circuit (68), a triac inspection and determination section (70), a bypass resistor (72), etc.) which are related to this triac (58) and this relay (60); and a current measurement section (64) for measuring current flowing in the driving motor (42).
    • 问题公开了一种便携式钻孔机,其中当连接到驱动马达的电路部分发生短路故障时,可以可靠地检测该状态,并可靠地防止马达的错误启动。 解决方案该便携式钻孔机中的潜水马达控制回路(78)包括主控制部(86)。 连接到与驱动电机(42)串联的电源端子(38L,38M)的三端双向可控硅(58)和继电器(60)。 与该三端双向可控硅开关(58)相关的外围电路(44)(三端双向可控制开关控制电路(66),继电器控制电路(68),三端双向可控性显示器检查和判定部分(70),旁路电阻器(72)等) )和该继电器(60); 以及用于测量在所述驱动电动机(42)中流动的电流的电流测量部(64)。