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    • 22. 发明授权
    • Gas analyzing apparatus
    • US06550308B2
    • 2003-04-22
    • US10117599
    • 2002-04-04
    • Tsutomu KikuchiAkira NishinaTetsuya Kimijima
    • Tsutomu KikuchiAkira NishinaTetsuya Kimijima
    • G01N3004
    • G01N30/7206G01N2030/201G01N2030/8886
    • There is provided a gas analyzing apparatus capable of minimizing gas remaining by integrating gas switching apparatuses into one and capable of analyzing impurities of ppb level to sub-ppb level contained in various kinds of high-purity gases efficiently and accurately. The gas analyzing apparatus comprises an analyzer introduction passage 22 for introducing a sample gas supplied from a sample gas source 11 into an analyzer 12 via an analyzer introduction valve 22V; a separator introduction passage 23 diverging from a first side passage of the analyzer introduction valve 22V for introducing a sample gas into a separator 13 via a separator introduction valve 23V; a separator flowing-out passage 24 for introducing the sample gas flowing out from the separator 13 into a second side passage of the analyzer introduction valve 22V via a separator flowing-out valve 24V; and a gas switching apparatus to be such formed that when the analyzer introduction valve 22V is opened, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be closed, and when the analyzer introduction valve 22V is closed, the separator introduction valve 23V and the separator flowing-out valve 24V are connectively operated to be opened.
    • 24. 发明授权
    • System for analyzing trace amounts of impurities in gases
    • 用于分析气体中微量杂质的系统
    • US06418781B1
    • 2002-07-16
    • US09445413
    • 1999-12-08
    • Akira NishinaTsutomu KikuchiMakoto TanakaHidetoshi YoshidaTetsuya Kimijima
    • Akira NishinaTsutomu KikuchiMakoto TanakaHidetoshi YoshidaTetsuya Kimijima
    • B01D1508
    • H01J49/0422G01N30/7206G01N33/0022G01N33/0032
    • An analyzing apparatus for assaying various kinds of trace impurity contents in various kinds of high-purity gases, having an atmospheric pressure ionization mass spectrometer useful for determination of trace impurity contents in such high-purity gases on the ppb to sub ppb levels and a gas chromatograph integrated therewith, enabling high efficiency determination of trace impurity contents in high-purity gases. The analyzing apparatus having a gas chromatograph (8) and an atmospheric pressure ionization mass spectrometer (6), is provided with a system (10) for introducing a sample gas introduced from a sample gas introduction source directly to the atmospheric pressure ionization mass spectrometer (6); a system (14a, 14b) for introducing the sample gas via the gas chromatograph (8) to the atmospheric pressure ionization mass spectrometer (6); and a channel selector (11, 13, 15) for changing over the channel of the sample gas to either of these two systems.
    • 一种用于测定各种高纯度气体中各种痕量杂质含量的分析装置,具有可用于测定这些高纯气体中ppb至亚ppb水平的微量杂质含量的气压电离质谱仪和气体 与其集成的色谱仪,可以高效率地测定高纯度气体中的痕量杂质含量。 具有气相色谱仪(8)和大气压电离质谱仪(6)的分析装置设置有用于将从样品气体导入源引入的样品气体直接引入大气压电离质谱仪(10)的系统(10) 6); 用于将样品气体经由气相色谱仪(8)导入大气压电离质谱仪(6)的系统(14a,14b); 以及用于将样品气体的通道切换到这两个系统中的任一个的通道选择器(11,13,15)。
    • 25. 发明授权
    • Air-fuel ratio control system for internal combustion engine
    • 内燃机空燃比控制系统
    • US5623824A
    • 1997-04-29
    • US198395
    • 1994-02-18
    • Fumio YukawaTsutomu Kikuchi
    • Fumio YukawaTsutomu Kikuchi
    • F02D41/14F02D41/34F01N3/28
    • F02D41/1408Y02T10/22
    • An air-fuel ratio control system for an automotive internal combustion engine provided with a three-way catalytic converter disposed in an exhaust gas passageway of the engine. The air-fuel ratio control system is comprised of an oxygen sensor disposed in the exhaust gas passageway downstream of the catalytic converter. The air-fuel ratio of air-fuel mixture to be supplied to the engine is controlled toward a stoichiometric value to cause the three-way catalytic converter to efficiently work under the action of a control unit including a microcomputer. In the control unit, a control constant is set in accordance with the output voltage of the oxygen sensor, and a cycle signal (pulse signal) is cyclically generated. The control constant is compulsorily minutely vibrated under the action of the cycle signal, thereby obtaining an air-fuel ratio correction coefficient. The amount of fuel to be supplied to the engine is calculated in accordance with the air-fuel ratio correction coefficient and injected from a fuel injector valve.
    • 一种用于汽车内燃机的空燃比控制系统,其设置有设置在发动机的废气通道中的三元催化转化器。 空燃比控制系统由设置在催化转化器下游的废气通道中的氧传感器构成。 向发动机供给的空气燃料混合物的空燃比被控制为化学计量值,使得三元催化转化器在包括微型计算机的控制单元的作用下有效地工作。 在控制单元中,根据氧传感器的输出电压来设定控制常数,并循环地产生周期信号(脉冲信号)。 控制常数在循环信号的作用下强制微小地振动,从而获得空燃比校正系数。 根据空燃比校正系数计算供给发动机的燃料量,并从燃料喷射阀喷射。
    • 27. 发明授权
    • Magnetic tape and method for manufacturing the same
    • 磁带及其制造方法
    • US07267895B2
    • 2007-09-11
    • US10790313
    • 2004-03-01
    • Sadayuki ShoudaiTsutomu Kikuchi
    • Sadayuki ShoudaiTsutomu Kikuchi
    • G11B5/66G11B5/78B26D5/20
    • B26D1/0006B26D2001/0046B26D2001/0053B26D2001/0066Y10T83/04Y10T83/0605Y10T83/783
    • A method for manufacturing a magnetic tape includes the steps of feeding a broad magnetic tape including a broad support formed with a magnetic recording layer on one side thereof and a back coat layer on the other surface thereof to a portion between a disk-like upper blade and a disk-like lower blade overlapping each other and rotating in opposite directions and cutting the broad magnetic tape into magnetic tapes each having a predetermined width, which method for manufacturing a magnetic tape further includes a step of setting a cutting start angle between the disk-like upper blade and the disk-like lower blade overlapping each other and rotating in opposite directions at the time that cutting of the broad magnetic tape fed to a portion between the upper blade and the lower blade by the upper blade and the lower blade is started so that a lower blade side cut surface of the magnetic tape to be formed by cutting the broad magnetic tape includes 40% to 65% of a region formed by cutting the magnetic tape by a breaking force, thereby cutting the broad magnetic tape.According to the above method, it is possible to manufacture a magnetic tape which can minimize an irregular raised and depressed pattern of a cut surface of a magnetic tape.
    • 一种制造磁带的方法包括以下步骤:在其一面上包括形成有磁记录层的宽支架的宽磁带和在其另一表面上的后涂层到盘状上刀片之间的部分 以及盘状的下部刀片,彼此重叠并沿相反方向旋转,并将宽磁带切割成各自具有预定宽度的磁带,该制造磁带的方法还包括在盘片之间设置切割起始角度的步骤 在通过上刀片和下刀片供给到上刀片和下刀片之间的部分的宽磁带​​的切割时,相同的盘状下刀片和盘状下刀片彼此重叠并相反地旋转 开始使得通过切割宽磁带形成的磁带的下刀片侧切割表面包括由切口锡形成的区域的40%至65% 通过断裂力使磁带克隆,从而切割宽磁带。 根据上述方法,可以制造可以使磁带的切割表面的不规则的凸起和凹陷图案最小化的磁带。
    • 28. 发明授权
    • Magnetic tape and method for manufacturing the same
    • 磁带及其制造方法
    • US07244523B2
    • 2007-07-17
    • US10802134
    • 2004-03-16
    • Sadayuki ShoudaiTsutomu Kikuchi
    • Sadayuki ShoudaiTsutomu Kikuchi
    • G11B5/66
    • G11B5/84Y10T83/04Y10T428/12493
    • A method for manufacturing a magnetic tape includes a step of setting a cutting start angle between the disk-like upper blade and the disk-like lower blade overlapping each other and rotating in opposite directions at the time that cutting of the broad magnetic tape fed to a portion between the upper blade and the lower blade by the upper blade and the lower blade is started so that a position where an irregular raised and depressed pattern of a cut surface of the support on the side of the upper blade to be formed becomes locally maximal or a position where an irregular raised and depressed pattern of a cut surface of the support on the side of the lower blade becomes locally maximal satisfies 40≦100BU/T≦70 or 40≦100BL/T≦70, where BU is the distance from the surface of the back coat layer to the position where the irregular raised and depressed pattern of the cut surface of the support on the side of the upper blade becomes locally maximal, BL is the distance from the surface of the back coat layer to the position where the irregular raised and depressed pattern of the cut surface of the support on the side of the lower blade becomes locally maximal and T is the total thickness of the broad magnetic tape, and cutting the broad magnetic tape, thereby manufacturing the magnetic tape.
    • 一种制造磁带的方法包括以下步骤:设置在盘状上刀片和盘状下刀片之间彼此重叠的切割起始角度,并且在切割供给到 启动上刀片和下刀片之间的上刀片和下刀片之间的部分,使得要形成的上刀片侧的支撑件的切割表面的不规则凸起和凹陷图案位置变得局部 支撑件侧面的切割面的不规则凸起和凹陷图案局部最大的最大值或位置满足40 <= 100BU / T <= 70或40 <= 100BL / T <= 70,其中 BU是从背涂层的表面到上刀片侧的支撑件的切割面的不规则凸起和凹陷图案局部最大的位置的距离,BL是距表面的距离 将背涂层设置到下刀片侧的支撑体的切割面的不规则凸起和凹凸图案局部最大的位置,T是宽磁带的总厚度,并切割宽磁带, 从而制造磁带。