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    ELECTROMAGNETIC-TYPE PUMP
    3.
    发明申请
    ELECTROMAGNETIC-TYPE PUMP 审中-公开

    公开(公告)号：US20180230989A1

    公开(公告)日：2018-08-16

    申请号：US15755134

    申请日：2016-04-04

    申请人： FUJI CLEAN CO., LTD.

    发明人： Norihiro MINOGUCHI ,  Yuji YAMADA

    IPC分类号： F04B45/047 ,  F04B53/10

    CPC分类号： F04B45/047 ,  F04B43/0054 ,  F04B43/02 ,  F04B43/04 ,  F04B45/04 ,  F04B53/10

    摘要： An electromagnetically driven diaphragm pump (100) includes a diaphragm (142), a first center disk (150) and a second center disk (160), and an oscillator (130). The first center disk (150) has a circular-ring shaped first disk contact surface (151a) that is disposed opposing an outer surface (144) of the diaphragm (142) and that makes contact with the outer surface (144) when the oscillator (130) is in the neutral position. The second center disk (160) has a circular-ring shaped second disk contact surface (161a) that is disposed opposing an inner surface (145) of the diaphragm (142), and makes contact with the inner surface (145) when the oscillator (130) is in the neutral position. The second center disk (160) has an outer diameter (D2b) set in the range of 1.05-1.30 times an outer diameter (D1b) of the first disk contact surface (151a).

    DUAL PUMPING FLUID PUMP
    4.
    发明申请
    DUAL PUMPING FLUID PUMP 审中-公开

    公开(公告)号：US20180223826A1

    公开(公告)日：2018-08-09

    申请号：US15749894

    申请日：2016-08-26

    申请人： FOURL DESIGN CO. LTD.

    发明人： Suk Ho JEON

    IPC分类号： F04B43/02 ,  F04B43/04 ,  F04B53/00

    CPC分类号： F04B43/026 ,  F04B43/00 ,  F04B43/02 ,  F04B43/04 ,  F04B43/14 ,  F04B45/04 ,  F04B45/047 ,  F04B45/10 ,  F04B53/001

    摘要： A dual pumping fluid pump which significantly reduces vibration and noise generation. When a cam installed on a rotating shaft of a single electric motor is rotated, a pair of first and second diaphragms installed in connection to an eccentric shaft portion formed on both the left and right sides of the cam alternatingly rise and descend in opposite directions and cause first and second intake check valves and first and second discharge check valves provided on a fluid passage box integrally and connectedly installed on the top surface of a pump housing to open or close first and second intake holes and first and second discharge holes to admit fluid through a fluid inlet and simultaneously discharge fluid through a fluid outlet, so that the simultaneous effects of the intake pressure and discharge pressure of fluid causes pressure balancing to occur.

    Vibrational fluid mover active controller
    8.
    发明授权
    Vibrational fluid mover active controller 有权

    公开(公告)号：US09951767B2

    公开(公告)日：2018-04-24

    申请号：US14284782

    申请日：2014-05-22

    申请人： General Electric Company

    发明人： Gamal Refai-Ahmed ,  John Anthony Vogel ,  Christian M. Giovanniello

    IPC分类号： F04B49/06 ,  F04B45/047 ,  F04B43/04 ,  F04F7/00 ,  H01L23/467

    CPC分类号： F04B49/065 ,  F04B43/04 ,  F04B45/047 ,  F04F7/00 ,  H01L23/467 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A vibrational fluid mover includes a housing having at least one actuator element positioned thereon that vibrates responsive to a wave shape voltage applied thereto, such that a volume of a chamber in the housing increases and decreases to entrain and eject fluid into/out from the chamber. A control system is operably connected to the actuator element to cause the voltage to be provided thereto so as to actively control the movement of the actuator element. The control system is programmed to set a baseline value for an operational parameter of the vibrational fluid mover generated responsive to a target voltage and frequency being provided, monitor operation of the vibrational fluid mover during operation at the target voltage and frequency, identify a deviation of the operational parameter from the baseline value, and modify the voltage and frequency provided to the actuator element based on any deviation of the operational parameter.