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    • 14. 发明申请
    • Single sac ventricular assist device
    • 单囊室辅助装置
    • US20060287568A1
    • 2006-12-21
    • US11450004
    • 2006-06-09
    • Jal JassawallaPhillip MillerDavid LaForge
    • Jal JassawallaPhillip MillerDavid LaForge
    • A61M1/12
    • A61M1/1053A61M1/1037A61M1/1055A61M1/1075A61M1/12A61M1/122H02K33/12
    • A ventricular assist device (VAD) for assisting either or both heart ventricles. The VAD pumps blood between an inlet and an outlet. The VAD includes a bearingless electromagnetic drive unit comprising an armature disposed between two cores, a compressible sac, valves, and a frame. The armature moves toward the sac in an eject stroke for expelling blood therefrom to the outlet. An energy storage element is preferably included and adapted to store and release energy from the drive unit. The armature is decoupled from the compressible chamber after completion of the eject stroke such that the armature retracts. Following retraction, the sac is passively filled with blood from the inlet and the energy stored in the storage element during retraction is delivered during the eject stroke. The device preferably has two cores with coils wound around each core's center section or legs. Alternatively, one of the cores is coil-less.
    • 一种辅助心室辅助装置(VAD),用于辅助心室或其中的一个或两个心室。 VAD泵入口和出口之间的血液。 VAD包括无轴承电磁驱动单元,其包括设置在两个芯之间的电枢,可压缩囊,阀和框架。 衔铁在弹出冲程中朝向囊移动,以将血液从其排出到出口。 优选地包括能量存储元件并适于存储和释放来自驱动单元的能量。 在完成弹出行程之后,电枢与可压缩室分离,使得电枢缩回。 在缩回之后,囊被从入口被动地填充血液,并且在弹出行程期间输送在收缩期间储存在存储元件中的能量。 该装置优选地具有两个磁芯,线圈缠绕在每个磁芯的中心部分或腿部。 或者,一个核心是无线圈的。
    • 20. 发明授权
    • Fast battery charging system and method
    • 快速充电系统及方法
    • US6043630A
    • 2000-03-28
    • US223983
    • 1999-01-04
    • Steven E. KoenckPhillip MillerRonald D. Becker
    • Steven E. KoenckPhillip MillerRonald D. Becker
    • G01R31/36G06F1/26H01M2/10H01M2/20H01M6/50H01M10/42H01M10/44H01M10/48H02J7/00H02J7/10H02J9/06
    • H01M2/1055G01R31/3655G06F1/263H01M10/425H01M10/4257H01M10/48H01M10/486H01M6/505H02J7/0004H02J7/0006H02J7/0011H02J7/0047H02J7/0068H02J7/0072H02J7/0073H02J7/0075H02J7/0077H02J7/0078H02J7/0091H02J7/0093H02J9/061B60L2260/162G01R31/3624G01R31/3648G01R31/3675H01M10/44H01M2/20H01M6/5044Y10S320/10
    • In an exemplary fast charging system, a hand-held computerized terminal with rechargeable batteries therein may be bodily inserted into a charger receptacle. The terminal may have volatile memory and other components requiring load current during charging.. The system may automatically identify battery type and progressively increase charging current while monitoring for an increase in battery terminal voltage to ascertain the level of load current. The battery temperature may be brought into a relationship to surrounding temperature such that by applying a suitable overcharge current value and observing any resultant temperature increase, the level of remaining battery charge can be determined. For example, if the battery is found to be relatively fully discharged, a relatively high fast-charge rate may be safely applied while monitoring battery temperature. If the battery is initially relatively fully charged or reaches such a state during fast charge, the system may automatically dynamically select a maintenance charge rate according to battery type and temperature. A preferred system may automatically recharge the batteries of a portable device according to an optimum schedule of essentially maximum safe charging rates as a function of battery temperature, and thereafter safely maintain the batteries at essentially fully charged condition in readiness for maximum duration portable operation.
    • 在示例性的快速充电系统中,其中具有可再充电电池的手持式计算机化终端可以被身体插入充电器插座中。 终端可以具有易失性存储器和在充电期间需要负载电流的其他组件。系统可以自动识别电池类型并逐渐增加充电电流,同时监视电池端子电压的增加以确定负载电流的水平。 可以将电池温度与周围温度相关联,从而通过施加合适的过充电电流值并观察任何合成的温度升高,可以确定剩余电池电量的水平。 例如,如果发现电池相对完全放电,则可以在监测电池温度的同时安全地施加相对高的快速充电速率。 如果电池最初相对完全充电或在快速充电期间达到这种状态,系统可以根据电池类型和温度自动动态选择维护充电率。 优选的系统可以根据作为电池温度的函数的基本上最大的安全充电速率的最佳时间表自动对便携式设备的电池进行再充电,并且之后将电池安全地维持在基本上充满电的状态,以备最大持续时间的便携式操作。