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11 条记录 (耗时 0.01 秒)

    Vibratory sifting machine with strikers
    2.
    发明授权
    Vibratory sifting machine with strikers 失效
    振动筛机

    公开(公告)号：US3796311A

    公开(公告)日：1974-03-12

    申请号：US11841371

    申请日：1971-02-24

    申请人： RHEINISCHE WERKZEUG & MASCHF

    发明人： KRAUSE R

    IPC分类号： B07B1/36 ,  B07B1/54 ,  B07B1/34

    CPC分类号： B07B1/54 ,  B07B1/36

    摘要： A sifting machine composed of a sheet of perforate screening material clamped in place only along its front and rear edges relative to the direction of conveyance therealong of material being sifted, and vibration producing means composed of a plurality of strikers arranged to undergo rotary oscillatory movement and to stroke the lower surface of the screening sheet, the strikers being driven by driven shafts, each shaft carrying several strikers, to which are imparted pivotal oscillatory movements under the influence of one or several oscillatory drives.

    摘要翻译： 筛选机由一片穿孔筛选材料构成，其仅沿着其前后边缘相对于被筛选的材料的输送方向夹紧在适当位置;以及振动产生装置，其由多个撞击器构成，其布置成经历旋转振荡运动， 为了冲击筛板的下表面，罢工者由从动轴驱动，每个轴承载几个冲击器，在一个或多个振荡驱动器的影响下，其被施加枢转振荡运动。

    Apparatus for producing high frequency vibrations of a sieve screen
    3.
    发明授权
    Apparatus for producing high frequency vibrations of a sieve screen 失效
    用于生产屏幕高频振动的装置

    公开(公告)号：US3751694A

    公开(公告)日：1973-08-07

    申请号：US3751694D

    申请日：1971-08-26

    申请人： RHEINISCHE WERKZEUG & MASCHF

    发明人： ERLENSTAEDT G

    IPC分类号： B07B1/34 ,  B07B1/42 ,  H02K35/00

    CPC分类号： B07B1/346 ,  B07B1/42

    摘要： In apparatus for producing high frequency vibrations of a seive screen and composed of a vibratory system including a rod which extends transverse to the screen surface and is attached to the screen at a point, and an electromagnetic vibration generator which acts on the rod and applies thereto vibrations which in turn are transferred to the screen, the rod is connected to a rubber return spring which is tuned to the vibratory system.

    摘要翻译： 在用于产生屏幕的高频振动的装置中，包括一个振动系统，该振动系统包括一个横向于屏幕表面延伸并且在某一点附着到屏幕上的杆，以及一个作用在杆上并施加到其上的电磁振动发生器 振动又转移到屏幕上，杆连接到被调谐到振动系统的橡胶复位弹簧。

    Motor brake circuit
    9.
    发明授权
    Motor brake circuit 失效
    电机制动电路

    公开(公告)号：US3809979A

    公开(公告)日：1974-05-07

    申请号：US31366972

    申请日：1972-12-11

    申请人： RHEINISCHE WERKZEUG & MASCHF

    发明人： ZARTH K

    IPC分类号： H02P3/24 ,  H02P3/20

    CPC分类号： H02P3/24

    摘要： In a direct current brake circuit for braking a three-phase, short-circuit rotor motor, a thyristor and diode are connected between the motor and its three phase supply, via controllable switches, overvoltage protection components are connected to the thyristor and the diode, and protective circuitry is connected to cause the thyristor and diode to be connected to the motor stator and to the motor supply, and the braking voltage to be applied to the motor stator, under no load conditions.

    摘要翻译： 在用于制动三相短路转子电动机的直流制动电路中，电动机和三相电源之间的晶闸管和二极管通过可控开关连接，过电压保护元件连接到晶闸管和二极管， 并连接保护电路，在无负载条件下，使晶闸管和二极管连接到电动机定子和电动机电源以及施加到电动机定子的制动电压。