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    • 94. 发明授权
    • Brushless motor
    • 无刷电机
    • US5510664A
    • 1996-04-23
    • US116959
    • 1993-09-07
    • Mitsuo SuzukiYukio ItamiYoshio HashimotoMutsumi YamamotoYoshihiro Takahashi
    • Mitsuo SuzukiYukio ItamiYoshio HashimotoMutsumi YamamotoYoshihiro Takahashi
    • H02K3/04H02K1/27H02K5/16H02K7/04H02K7/09H02K11/00H02K21/24H02K29/00H02K29/08H02K1/22
    • H02K21/24H02K11/215H02K11/33H02K11/40H02K7/04H02K7/09H02K1/27H02K29/08H02K5/16Y10S310/06
    • In a brushless motor, the number of coreless armature coils is set to 3n when the number of magnetic poles of a magnet for a magnetic field is set to 2n where n is a positive integer. An opening angle of each of the armature coils is set to 360/3n degrees. A notch portion is formed in an outer circumferential portion of the magnet for a magnetic field. A recessed portion is formed by this notch portion and an inner circumferential portion of a yoke. The recessed portion constitutes a groove for correcting a balance of each of the magnet for a magnetic field and a rotating body when this magnet and the rotating body are rotated. A motor housing and a harness are electrically connected to a printed board. The housing is connected to the ground through this harness and a harness for power. In this brushless motor, a magnetizing frequency is reduced and driving efficiency of a control circuit can improved when the brushless motor is rotated at a high speed. Further, it is possible to prevent an iron or copper loss from being caused so that an increase in temperature of the brushless motor can be restrained.
    • 在无刷电动机中,当磁场磁体的磁极数设定为2n,n为正整数时,无芯电枢线圈的数量设定为3n。 每个电枢线圈的开度角设定为360 / 3n度。 在用于磁场的磁体的外周部形成有切口部。 由该切口部和轭的内周部形成有凹部。 当该磁体和旋转体旋转时,凹部构成用于校正每个磁体磁体和旋转体的平衡的凹槽。 电动机壳体和线束电连接到印刷电路板。 外壳通过该线束和用于电源的线束连接到地面。 在该无刷电动机中,当无刷电动机高速旋转时,磁化频率降低,控制电路的驱动效率提高。 此外,可以防止引起铁或铜损失,从而可以抑制无刷电动机的温度升高。
    • 96. 发明授权
    • Optical rotary encoder
    • 光学旋转编码器
    • US4727356A
    • 1988-02-23
    • US891699
    • 1986-07-29
    • Hiraku AbeYoshihiro TakahashiYoji Shimojima
    • Hiraku AbeYoshihiro TakahashiYoji Shimojima
    • G01D5/36H03M1/30H03M1/24
    • H03M1/301
    • An optical rotary encoder is formed by a control pulse generator portion and a selector switch portion which are of the unitary construction. The control pulse generator portion is formed by a code plate having a plurality of alternately formed reflecting and non-reflecting areas, a plurality of light emitting and receiving elements facing the code plate and an inner shaft for rotating the code plate. The selector switch portion is formed by a second code plate having a plurality of light transmitting apertures, a plurality of light emitting elements facing the second code plate, a plurality of light receiving elements provided on the opposite side of the second code plate from those light emitting elements and an outer shaft for rotating the second code plate. The inner and outer shafts are connected to each other and have a common axis of rotation.
    • 光学旋转编码器由整体结构的控制脉冲发生器部分和选择器开关部分形成。 控制脉冲发生器部分由具有多个交替形成的反射和非反射区域的代码板,面向代码板的多个发光和接收元件和用于旋转代码板的内轴构成。 选择器开关部分由具有多个透光孔的第二代码板,与第二代码板相对的多个发光元件形成,多个光接收元件设置在与第二代码板相反的那侧 发光元件和用于旋转第二代码板的外轴。 内轴和外轴彼此连接并具有共同的旋转轴。
    • 99. 发明授权
    • Determination of total carbon in liquid samples
    • 液体样品中总碳的测定
    • US4344918A
    • 1982-08-17
    • US127333
    • 1980-03-05
    • Yoshihiro Takahashi
    • Yoshihiro Takahashi
    • G01N31/00G01N33/18G01N31/12G01N21/63
    • G01N33/1846G01N31/005
    • An apparatus for determining total carbon in each one of a plurality of discrete liquid samples comprises a reactor (13), and a pump (12) and flowline (11) for maintaining a continuous flow of a liquid containing an oxidizing agent into the reactor (13). The liquid samples are introduced in succession into the reactor (13), either by means of a syringe injection port (19) in the flowline (11), or by means of a rotary valve (203) and sample loop (204) in a recirculation line (202) through which carbon-free liquid is withdrawn from and circulated back to the reactor (13). A mercury vapor lamp (17) is immersed in the liquid in the reactor (13) for irradiating the liquid sample and the oxidizing agent in the reactor (13) with ultraviolet energy in order to oxidize to carbon dioxide any carbonaceous matter in the liquid sample. A sparger (20) is provided to remove the carbon dioxide so produced from the reactor (13); and a carbon dioxide detector (24) is provided to measure the carbon dioxide produced as a result of the oxidation of carbonaceous matter in the reactor (13). Electronic integrator circuitry (25) provides a measure of total carbon present in the carbon dioxide produced in the time interval during which carbonaceous matter in each liquid sample is being oxidized.
    • 用于确定多个离散液体样品中的每一个中的总碳的装置包括反应器(13)和用于将含有氧化剂的液体连续流动进入反应器的泵(12)和流路(11) 13)。 液体样品通过流线(11)中的注射器注射口(19)或者通过旋转阀(203)和样品环(204)连续引入反应器(13) 再循环管线(202),无碳液体通过所述再循环管线从其中排出并循环回到反应器(13)。 将汞蒸汽灯(17)浸入反应器(13)中的液体中,用于用紫外线能量照射反应器(13)中的液体样品和氧化剂,以便将液体样品中的任何碳质物质氧化成二氧化碳 。 提供喷雾器(20)以除去由反应器(13)产生的二氧化碳; 并且提供二氧化碳检测器(24)以测量由于反应器(13)中的碳质物质的氧化而产生的二氧化碳。 电子积分器电路(25)提供了在每个液体样品中的碳质物质被氧化的时间间隔内产生的二氧化碳中存在的总碳的量度。