Linear motor with reduced cogging
    41.
    发明授权
    Linear motor with reduced cogging 失效
    线性电机齿槽减少

    公开(公告)号:US5214323A

    公开(公告)日:1993-05-25

    申请号:US637282

    申请日:1991-01-03

    IPC分类号: H02K41/03

    CPC分类号: H02K41/03

    摘要: A linear motor is capable of reducing cogging which may be present in the motor. Cogging is an obstruction in realizing constant speed control or high accuracy of position control. The reduction of cogging is accomplished, for example, by pole location or specific detailed shapping of pole iron plates.

    摘要翻译: 线性电动机能够减少可能存在于电动机中的齿槽。 Cogging是实现恒速控制或位置控制精度高的障碍。 例如,通过极位置或极铁板的具体详细成型来实现齿槽的减少。

    Method of mixing pulverulent materials and device for practicing the same
    43.
    发明授权
    Method of mixing pulverulent materials and device for practicing the same 失效
    混合粉状材料的方法和实施该方法的装置

    公开(公告)号:US4850703A

    公开(公告)日:1989-07-25

    申请号:US067401

    申请日:1987-06-24

    IPC分类号: B01F15/04 B01F15/00 G05D11/13

    CPC分类号: B01F15/00253 G05D11/134

    摘要: A method of mixing pulverulent materials and a device for practicing the method. In this method, the pulverulent material constituting a main material is continuously fed to a conveyor duct connected to a molding machine in fixed quantities while air is being fed to under pressure or drawn from the duct and simultaneously the pulverulent material constituting compounding ingredient material is fed to the duct at a specified value so that a mixing ration is maintained at a specified value. And in the method, a mixing ratio is changeable by variably controlling the amount of supply of compounding ingredient to the main material while feeding air into the duct or drawing air from the duct. In addition, the device is constructed of a pneumatic closed loop duct type and comprises a closed looplike duct, a pulverized reclaimed material feed unit, a virgin material feed unit, and a control means for regulate a mixed ratio.

    摘要翻译: 混合粉状材料的方法和实施该方法的装置。 在该方法中,构成主要材料的粉状材料在空气被输送到压力下或从管道拉出的同时,连续地供给到连接到成型机的输送管道上,同时将构成复合成分材料的粉状材料 以规定的值输送到管道,使得混合比例保持在规定值。 并且在该方法中,通过在将空气送入管道或从管道吸入空气的同时可变地控制复合成分向主要材料的供给量的变化。 此外,该装置由气动闭环管道构成,包括封闭的隆起管道,粉碎的再生材料进料单元,原始材料进料单元和用于调节混合比例的控制装置。

    Step motor control mechanism for electronic timepiece
    44.
    发明授权
    Step motor control mechanism for electronic timepiece 失效
    电子时钟步进电机控制机构

    公开(公告)号:US4715725A

    公开(公告)日:1987-12-29

    申请号:US860404

    申请日:1986-06-25

    IPC分类号: G04C3/14 H02P8/02 G04F5/00

    CPC分类号: G04C3/143

    摘要: A step motor driving control mechanism for use in an electronic timepiece for reducing the current consumption thereof is provided. Load detection circuitry detects the load condition of the step motor and selectively produces a load condition signal representative of a predetermined load condition thereof. Driving and control circuitry is provided for receiving a low frequency timekeeping signal produced by a divider circuit and a load detection signal when same is selectively produced by the load detection circuitry. In response to the presence or absence of a load detection signal applied thereto, the drive and control circuitry is adapted to vary the duration of the pulse width of a drive signal applied to the step motor to effect a driving of same.

    摘要翻译: 提供了一种用于电子钟表中用于减少其电流消耗的步进电机驱动控制机构。 负载检测电路检测步进电机的负载状况,并选择性地产生表示其预定负载条件的负载状态信号。 提供驱动和控制电路,用于接收由分频器电路产生的低频计时信号和当负载检测电路选择性地产生负载检测信号时的负载检测信号。 响应于施加到其上的负载检测信号的存在或不存在,驱动和控制电路适于改变施加到步进电动机的驱动信号的脉冲宽度的持续时间以实现其驱动。

    Step motor control mechanism for electronic timepiece

    公开(公告)号:US4599005A

    公开(公告)日:1986-07-08

    申请号:US742832

    申请日:1985-06-10

    CPC分类号: G04C3/143

    摘要: A step motor driving control mechanism for use in an electronic timepiece for reducing the current consumption thereof is provided. Load detection circuitry detects the load condition of the step motor and selectively produces a load condition signal representative of a predetermined load condition thereof. Driving and control circuitry is provided for receiving a low frequency timekeeping signal produced by a divider circuit and a load detection signal when same is selectively produced by the load detection circuitry. In response to the presence or absence of a load detection signal applied thereto, the drive and control circuitry is adapted to vary the duration of the pulse width of a drive signal applied to the step motor to effect a driving of same.

    Ink jet printer of the ink-on-demand type
    46.
    发明授权
    Ink jet printer of the ink-on-demand type 失效
    喷墨打印机的墨水点播型

    公开(公告)号:US4589000A

    公开(公告)日:1986-05-13

    申请号:US764813

    申请日:1985-08-12

    摘要: An ink-on-demand type ink jet printer includes an ink jet head assembly having a printer head and an ink container integrally joined to the printer head. The printer head includes a pressure chamber and ink supply and ejection flow passages communicating respectively therewith. The ink container includes therein a narrow air-bubble blocking tube opening directly into a lower portion of the interior of the ink container and which connects the ink supply flow passage to the ink container. A vent hole is defined in an upper portion of the ink container. The ink container includes a wall surface with the wall surface not trapping air bubbles, with a surface of the vent hole being coated with a defoaming agent.

    摘要翻译: 一种按需喷墨型喷墨打印机包括具有打印机头和与打印机头一体连接的墨水容器的喷墨头组件。 打印头包括与其分别连通的压力室和供墨和喷射流动通道。 墨水容器在其中包括狭窄的气泡阻挡管,其直接进入墨水容器内部的下部,并将墨水供应流路连接到墨水容器。 通气孔被限定在墨水容器的上部。 墨水容器包括壁表面,壁表面没有捕获气泡,通气孔的表面涂有消泡剂。

    Electronic musical instrument for reading out and performing musical
tone data previously stored

    公开(公告)号:US4522100A

    公开(公告)日:1985-06-11

    申请号:US415439

    申请日:1982-09-07

    申请人: Hiroshi Ishii

    发明人: Hiroshi Ishii

    CPC分类号: G10H1/0041 G10H1/26 G10H1/36

    摘要: An electronic musical instrument for reading out and performing musical tone data previously stored in a memory is disclosed. In the musical instrument, pitch data of a musical piece or pieces are previously stored in the memory. Desired pitch data stored are read out by operating a corresponding key arranged on a keyboard. A tone generator forms a musical tone signal on the basis of the pitch data for sounding the musical tone. When the keyboard is functionally divided into two groups, the musical tone for melody and/or accompaniment of the musical piece may be read out through the operation of the functionally divided keyboard.

    Sluice valve arrangement
    48.
    发明授权
    Sluice valve arrangement 失效
    闸阀装置

    公开(公告)号:US4457488A

    公开(公告)日:1984-07-03

    申请号:US386779

    申请日:1982-06-09

    CPC分类号: F16K51/02 F16K5/188 F16K5/207

    摘要: A sluice valve arrangement is adapted to make an air-tight partition or communication between a vacuum treatment chamber and the atmosphere or a pre-chamber. This arrangement includes a valve seat member comprising a cylindrical or spherical member having therein an opening, a pair of guide rails attached to the inner circumference of the seat member, a valve member movably supported on the guide rails, and means for air-tight engagement of the valve member and the valve seat portion of the seat member. The valve member has a curvature equal to that of the cylindrical or spherical member, and the engagement means comprises a plurality of bellows expandable by a compressed gas or air.

    摘要翻译: 闸阀装置适于在真空处理室与大气或预制室之间进行气密分隔或连通。 该装置包括:阀座构件,其包括其中具有开口的圆柱形或球形构件,附接到座构件的内圆周的一对导轨,可移动地支撑在导轨上的阀构件,以及气密接合装置 的阀构件和座椅构件的阀座部分。 阀构件具有等于圆柱形或球形构件的曲率,并且接合装置包括可由压缩气体或空气膨胀的多个波纹管。

    Process for continuously producing a polymeric laminate tape having a
plurality of metal wires embedded therewithin
    49.
    发明授权
    Process for continuously producing a polymeric laminate tape having a plurality of metal wires embedded therewithin 失效
    用于连续生产具有嵌入其中的多个金属丝的聚合物层压带的方法

    公开(公告)号:US4444709A

    公开(公告)日:1984-04-24

    申请号:US354543

    申请日:1982-03-04

    摘要: A metal wire-containing polymeric laminate tape is continuously produced by superimposing a pair of primary cross-linked, electro-insulating thermoplastic polymer tapes side by side along the longitudinal axes thereof under tension, while a plurality of metal wires are interposed, under tension, in parallel to each other, between the primary tapes along the longitudinal axes thereof; by heating the resultant precursory laminate tape up to a temperature of from 10.degree. to 120.degree. C. above the melting point of the corresponding thermoplastic polymer, which is not cross-linked; by pressing the heated precursory laminate tape by using a pair of elastic pressing rolls, whereby the primary tapes are heat-bonded together to provide a body of laminate matrix within which the metal wires are embedded; and, optionally, by cooling the resultant laminate tape.

    摘要翻译: 通过在张力下将多根金属丝线插入其中并沿着其纵向轴线并排叠加一对主交联的电绝缘热塑性聚合物带,连续地制造含金属丝的聚合物层压带, 彼此平行地在主带之间沿其纵向轴线; 通过将所得到的前体层压带加热到高于不交联的相应热塑性聚合物的熔点10℃至120℃的温度; 通过使用一对弹性加压辊挤压加热的前体层压带,由此将主带热粘合在一起以提供嵌入金属线的层叠基体; 并且可选地,通过冷却所得层压带。

    Leakage detection method using helium
    50.
    发明授权
    Leakage detection method using helium 失效
    泄漏检测方法采用氦气

    公开(公告)号:US4419882A

    公开(公告)日:1983-12-13

    申请号:US325435

    申请日:1981-11-10

    IPC分类号: G01M3/20 G01M3/22

    CPC分类号: G01M3/202 G01M3/226

    摘要: A means for detecting helium which has flowed into a system by substitution for air at a leaking location and mixed with the remaining gases, and after the helium gas permeates a helium permeable membrane as a sample gas so that the air component unnecessary for detection is suppressed, the helium gas enters the space of a mass spectrometer tube. That is, the membrane suppresses the permeation of the air component and selectively allows the helium component to pass therethrough, so that the helium component ratio in the space of the spectrometer tube is made larger than that in the sample gas. The helium partial pressure in the gas with thus increased helium component is determined by the mass spectrometer.The change in the helium partial pressure in the spectrometer tube is produced depending on the substitution between the air component gases and the helium gas at the leak location. After the helium component is increased by the function of the membrane, the leakage and its amount may be more easily and accurately detected.Further, a helium gas or gases having an appropriate helium concentration sealed under pressure in a system may be sucked in as a sample gas when leaking out through a leaking location and introduced into a membrane disposed at an appropriate position to the spectrometer tube, and then leakage in a system is detected by the foregoing method.These systems are, for example, vacuum or high pressure tanks, pipings, etc.

    摘要翻译: PCT No.PCT / JP81 / 00048 Sec。 371日期:1981年11月10日 102(e)1981年11月10日PCT PCT Fils 3月6日PCT公布。 出版物WO81 / 02631 日期为1981年9月17日.A是通过在泄漏位置取代空气并与剩余气体混合而检测氦气的装置,并且在氦气透过作为样品气体的氦气透过膜之后, 抑制不需要检测的空气成分,氦气进入质谱仪管的空间。 也就是说,膜抑制空气成分的渗透,并且选择性地允许氦组分通过,使得光谱仪管的空间中的氦组分比大于样品气体中的氦组分比。 具有如此增加的氦组分的气体中的氦分压由质谱仪确定。 取决于空气成分气体与泄漏位置处的氦气之间的取代而产生光谱仪管中氦分压的变化。 在通过膜的功能增加氦组分之后,可以更容易且准确地检测泄漏及其量。 此外,在系统中在压力下密封的具有适当氦浓度的氦气或气体可以作为样品气体吸入,当通过泄漏位置泄漏并被引入设置在光谱仪管适当位置的膜中时,然后 通过上述方法检测系统中的泄漏。 这些系统是例如真空或高压罐,管道等