Brushless induction synchronous motor with two stators
    2.
    发明公开
    Brushless induction synchronous motor with two stators 失效
    无刷电感同步电机,带两个定位器

    公开(公告)号:EP0529873A3

    公开(公告)日:1994-05-18

    申请号:EP92307362.1

    申请日:1992-08-12

    IPC分类号: H02K16/00 H02K19/14 H02K17/26

    CPC分类号: H02K19/14 H02K16/00

    摘要: Rotor windings (33,34) are wound on two salient pole type rotor cores (31,32), respectively, and the rotor windings on the salient poles adjacent to each other on the axial direction are connected in series. Diodes (35) are connected in parallel between the series connection nodes of the rotor windings. A plurality of rotor conductors (36,37) are provided on the periphery of and extending through the two rotor cores. Two stators (21,22) and two DC magnetic excitation windings (41,41) are provided surroundingly to face the two rotor cores. Number of poles of the stator is the same as that of the rotor core, and number of poles of the DC excitation windings is different from that of the rotor core. A voltage phase shifter (25) is provided to one of the two stators, which selectively produces a phase difference of 0° or 180° between two rotating magnetic fields produced around the two salient pole type rotor cores. The motor starts and accelerates according to the principle of an induction motor under the phase difference of 0° and, when the rotational speed of the motor approaches the synchronous speed, the motor is pulled into the synchronous operation by having the phase difference switched to 180° and having the DC magnetic excitation windings operated. Alternating voltages induced in the rotor windings by the static magnetic fields of the DC excitation windings are rectified by the diodes, and magnetic poles are formed on the two salient pole type rotor cores. The motor produces a large starting torque since it starts in the same principle as that of the conventional induction motor and, therefore, it does not require any such special starting means as a starter. During the synchronous operation, since the rotor windings function as field windings, the motor produces a large torque and does not require maintenance such as for brushes.

    Method of and system for flour milling
    3.
    发明公开
    Method of and system for flour milling 失效
    Verfahren und Anlage zum Mahlen von Mehl。

    公开(公告)号:EP0529843A1

    公开(公告)日:1993-03-03

    申请号:EP92307195.5

    申请日:1992-08-06

    IPC分类号: B02C9/04 B02B5/02

    CPC分类号: B02C9/04 B02B5/02

    摘要: A flour milling method and system therefor comprising the steps of separating (60) foreign materials from raw wheat, humidifying (70) the raw wheat, polishing (10) the raw wheat, and conditioning (40) the polished wheat, further comprises a step of cleaning (20) the polished wheat at a subsequent step of the polishing the raw wheat. The flour milling method and system therefor may further comprises a step of stirring (30) the cleaned polished wheat at a subsequent step of the cleaning step of the polished wheat. The bran powder which has been entered into the creases of the polished wheat at the polishing step, absorbs cleaning water and then flows out from the creases with the cleaning water. Since the bran powders in the creases of the polished wheat can be removed effectively, the milling efficiency is improved.

    摘要翻译: 一种面粉粉碎方法及其制备方法,包括以下步骤:从原料小麦中分离(60)异物,加湿(70)原麦,研磨(10)原麦,调理(40)抛光的小麦,还包括步骤 在抛光原始小麦的后续步骤中清洁(20)抛光的小麦。 面粉研磨方法及其系统还可以包括在抛光小麦的清洁步骤的随后步骤中搅拌(30)经清洁的抛光小麦的步骤。 在抛光步骤中已经进入抛光小麦的皱纹的麸皮粉末吸收清洁水,然后用清洁水从折痕中流出。 由于可以有效地除去抛光小麦的皱纹中的麸粉,所以提高了研磨效率。

    Spacer for abrasive rolls of grain polishing machines
    5.
    发明公开
    Spacer for abrasive rolls of grain polishing machines 失效
    用于谷物抛光机的磨辊的距离元件。

    公开(公告)号:EP0616849A3

    公开(公告)日:1995-03-22

    申请号:EP94104535.3

    申请日:1994-03-22

    IPC分类号: B02B3/04

    CPC分类号: B02B3/04

    摘要: An abrasive type vertical grain milling machine in which each of spacers (15) comprises a boss portion (21) fitted on a main shaft and a plurality of arm portions (22) extending from the boss portion in the radially outwardly and serving to induce bran removing air into a grain milling chamber through spaces between the circumferentially adjacent arm portions (22), is capable of discharging bran produced in the grain milling chamber with high bran discharging power and has little possibility that the bran removing power is reduced during operation.

    Brushless induction synchronous motor with two stators
    6.
    发明公开
    Brushless induction synchronous motor with two stators 失效
    BürstenlosesInduktions-Synchronmotor mit zweiStändern。

    公开(公告)号:EP0529873A2

    公开(公告)日:1993-03-03

    申请号:EP92307362.1

    申请日:1992-08-12

    IPC分类号: H02K16/00 H02K19/14 H02K17/26

    CPC分类号: H02K19/14 H02K16/00

    摘要: Rotor windings (33,34) are wound on two salient pole type rotor cores (31,32), respectively, and the rotor windings on the salient poles adjacent to each other on the axial direction are connected in series. Diodes (35) are connected in parallel between the series connection nodes of the rotor windings. A plurality of rotor conductors (36,37) are provided on the periphery of and extending through the two rotor cores. Two stators (21,22) and two DC magnetic excitation windings (41,41) are provided surroundingly to face the two rotor cores. Number of poles of the stator is the same as that of the rotor core, and number of poles of the DC excitation windings is different from that of the rotor core. A voltage phase shifter (25) is provided to one of the two stators, which selectively produces a phase difference of 0° or 180° between two rotating magnetic fields produced around the two salient pole type rotor cores. The motor starts and accelerates according to the principle of an induction motor under the phase difference of 0° and, when the rotational speed of the motor approaches the synchronous speed, the motor is pulled into the synchronous operation by having the phase difference switched to 180° and having the DC magnetic excitation windings operated. Alternating voltages induced in the rotor windings by the static magnetic fields of the DC excitation windings are rectified by the diodes, and magnetic poles are formed on the two salient pole type rotor cores. The motor produces a large starting torque since it starts in the same principle as that of the conventional induction motor and, therefore, it does not require any such special starting means as a starter. During the synchronous operation, since the rotor windings function as field windings, the motor produces a large torque and does not require maintenance such as for brushes.

    摘要翻译: 转子绕组(33,34)分别缠绕在两个凸极型转子芯(31,32)上,并且在轴向方向上彼此相邻的凸极上的转子绕组串联连接。 二极管(35)并联连接在转子绕组的串联连接节点之间。 多个转子导体(36,37)设置在两个转子芯的周边并延伸穿过两个转子芯。 两个定子(21,22)和两个直流磁激励绕组(41,41)周围设置以面对两个转子芯。 定子的极数与转子铁芯的极数相同,直流励磁绕组的极数与转子铁芯的极数不同。 一个电压移相器(25)被提供给两个定子之一,它们在两个凸极型转子芯周围产生的两个旋转磁场之间选择性地产生0°或180°的相位差。 电机根据相位差为0°的感应电机的原理启动和加速,当电机转速接近同步转速时,电机通过使相位差切换到180来拉入同步运行 DEG并具有直流磁激励绕组运行。 通过DC励磁绕组的静态磁场在转子绕组中感应的交流电压由二极管整流,并且磁极形成在两个凸极型转子芯上。 由于起动转矩与常规感应电动机相同的原理,电动机产生大的起动转矩,所以不需要起动器等特殊的起动装置。 在同步操作期间,由于转子绕组作为励磁绕组起作用,电动机产生大的转矩,并且不需要诸如电刷的维护。

    Method of and apparatus for analyzing granule grinding degrees
    7.
    发明公开
    Method of and apparatus for analyzing granule grinding degrees 失效
    用于分析磨粒研磨度的方法和装置

    公开(公告)号:EP0487356A3

    公开(公告)日:1992-07-08

    申请号:EP91310788.4

    申请日:1991-11-22

    IPC分类号: G01N15/14

    摘要: A method of analyzing granule grinding degrees includes steps of: passing granules between a coherent light emitter and a light receiver directly receiving a coherent light emitted from the coherent light emitter; measuring the time of each of the granules intercepting the coherent light and the frequency of such interception; and analyzing the measured granules by arithmetically processing the intercepted time, frequencies and predetermined coefficients. An apparatus for carrying out such method includes a passage (4) for granules to pass through and to intercept the coherent light between the coherent light emitter (1) and the light receiver (3), a counter (5) for counting from the outputs of light receiver (3) the interception time of the granules passing at the passage, a memory (7) for storing the outputs of the counter, frequencies of each of such output values and predetermined coefficients, and an arithmetic operator (6) for conducting calculation based on the information stored in the memory. This apparatus for analyzing granule grinding degrees can be advantageously incorporated in a granule grinder for its roll space adjustment.

    Method of and apparatus for analyzing granule grinding degrees
    8.
    发明公开
    Method of and apparatus for analyzing granule grinding degrees 失效
    Verfahren und Vorrichtung zur Analyze des Schleifgrades eines Granulats。

    公开(公告)号:EP0487356A2

    公开(公告)日:1992-05-27

    申请号:EP91310788.4

    申请日:1991-11-22

    IPC分类号: G01N15/14

    摘要: A method of analyzing granule grinding degrees includes steps of: passing granules between a coherent light emitter and a light receiver directly receiving a coherent light emitted from the coherent light emitter; measuring the time of each of the granules intercepting the coherent light and the frequency of such interception; and analyzing the measured granules by arithmetically processing the intercepted time, frequencies and predetermined coefficients. An apparatus for carrying out such method includes a passage (4) for granules to pass through and to intercept the coherent light between the coherent light emitter (1) and the light receiver (3), a counter (5) for counting from the outputs of light receiver (3) the interception time of the granules passing at the passage, a memory (7) for storing the outputs of the counter, frequencies of each of such output values and predetermined coefficients, and an arithmetic operator (6) for conducting calculation based on the information stored in the memory. This apparatus for analyzing granule grinding degrees can be advantageously incorporated in a granule grinder for its roll space adjustment.

    摘要翻译: 分析颗粒研磨度的方法包括以下步骤:在相干光发射器和光接收器之间通过颗粒直接接收从相干光发射器发射的相干光; 测量每个拦截相干光的颗粒的时间和这种截取的频率; 并通过对截取的时间,频率和预定系数进行算术处理来分析测量的粒子。 用于执行这种方法的装置包括用于颗粒通过并拦截相干光发射器(1)和光接收器(3)之间的相干光的通道(4),用于从输出端计数的计数器(5) 的光接收器(3)通过的颗粒的截取时间,用于存储计数器的输出的存储器(7),这些输出值和预定系数中的每一个的频率,以及用于进行的算术运算器(6) 基于存储在存储器中的信息进行计算。 用于分析颗粒研磨度的装置可以有利地结合在颗粒研磨机中用于其辊空间调节。