SYSTEMS AND METHODS FOR MICRO-CANTILEVER ACTUATION BY BASE EXCITATION

    公开(公告)号:EP3322665A1

    公开(公告)日:2018-05-23

    申请号:EP16823599.2

    申请日:2016-07-13

    IPC分类号: B81B3/00 B81B7/02

    摘要: A system and methods for base excitation of moderately high vibration of micro-cantilevers are disclosed. A micro-cantilever may be coupled to one or more actuators adjacent its base. The actuators may comprise bulk materials, bridges, or formed wires that expand and contract by application of electric currents, due to, for example, the effect of electro-thermal heating or piezoelectric effects. Single actuators or an array of actuators may be placed around the micro-cantilever to oscillate it and apply actuation pulses. The system and methods, and adjustments of the geometrical parameters, may be performed to yield a nominal natural frequency in the system. The excitation of actuators with signals corresponding to the natural frequency may induce resonance in the system and may result in high amplitude vibrations and displacement of the cantilever tip of the micro-cantilever. Various architectures of the actuators may be implemented to stimulate different frequencies of the beam and induce displacement in different direction and amplitudes.

    METHOD AND SYSTEM FOR EFFICIENCY INCREASE IN AN ENERGY RECOVERY DEVICE
    6.
    发明公开
    METHOD AND SYSTEM FOR EFFICIENCY INCREASE IN AN ENERGY RECOVERY DEVICE 审中-公开
    提高能量回收装置效率的方法和系统

    公开(公告)号:EP3317535A1

    公开(公告)日:2018-05-09

    申请号:EP16741542.1

    申请日:2016-06-29

    申请人: Exergyn Ltd.

    IPC分类号: F03G7/06

    CPC分类号: F03G7/065 F16J1/09

    摘要: The invention provides an energy recovery system comprising a first Shape Memory Alloy (SMAs) or Negative the bundle Thermal Expansion (NTE) core and adapted to convert movement of the core into energy in response to a first temperature. Various embodiments are disclosed to include cascaded core arrangements, preheating/cooling of cores and how to decrease the time of reaction for the shape memory alloy in an efficient manner.

    SMART SUSCEPTOR FOR A SHAPE MEMORY ALLOY (SMA) ACTUATOR INDUCTIVE HEATING SYSTEM
    8.
    发明授权
    SMART SUSCEPTOR FOR A SHAPE MEMORY ALLOY (SMA) ACTUATOR INDUCTIVE HEATING SYSTEM 有权
    形状记忆合金(SMA)执行器感应加热系统的智能接受器

    公开(公告)号:EP3052803B1

    公开(公告)日:2018-04-11

    申请号:EP14833299.2

    申请日:2014-06-23

    IPC分类号: F03G7/06

    摘要: A system for heating a shape memory alloy (SMA) actuator may include an SMA actuator, a smart susceptor, a plurality of induction coils, and a control module. The SMA actuator may have at least one layup. The SMA actuator may be selectively heated to a transition temperature. The smart susceptor may be in thermal contact with the at least one layup of the SMA actuator. The induction heating coils may be configured to receive an alternating current and generate a magnetic field based on the alternating current. The magnetic field may create an eddy current in at least one of the SMA actuator and the smart susceptor to heat the SMA actuator to the transition temperature. The control module may be configured to drive the alternating current supplied to the induction heating coils.

    DIRECTION CONTROLLED SERVICE APPARATUS
    9.
    发明公开
    DIRECTION CONTROLLED SERVICE APPARATUS 审中-公开
    方向控制的维修设备

    公开(公告)号:EP3293119A1

    公开(公告)日:2018-03-14

    申请号:EP17184749.4

    申请日:2014-03-21

    摘要: A direction controlled service apparatus may include a mounting assembly (14), a housing assembly (12) configured to operably connect to the mounting assembly (14), the housing assembly (12) being movable with respect to the mounting assembly (14), and a plurality of actuators (16) connected between the mounting assembly (14) and the housing assembly (12), each actuator of the plurality of actuators (16) being configured to contract upon a current being applied to the actuator to rotate the housing assembly (12) with respect to the mounting assembly (14).

    摘要翻译: 方向控制的维修设备可包括安装组件(14),构造成可操作地连接到安装组件(14)的壳体组件(12),壳体组件(12)可相对于安装组件(14)移动, 和连接在安装组件(14)和壳体组件(12)之间的多个致动器(16),多个致动器(16)中的每个致动器被配置为在施加到致动器的电流时收缩以使壳体 组件(12)相对于所述安装组件(14)。

    VENTIL ZUM SELEKTIVEN ÖFFNEN EINER FLUIDLEITUNG IN EINEM SATELLITENANTRIEBSSYSTEM
    10.
    发明公开
    VENTIL ZUM SELEKTIVEN ÖFFNEN EINER FLUIDLEITUNG IN EINEM SATELLITENANTRIEBSSYSTEM 有权
    用于在卫星驱动系统中选择性地打开流体管道的阀门

    公开(公告)号:EP3269651A1

    公开(公告)日:2018-01-17

    申请号:EP17173277.9

    申请日:2017-05-29

    申请人: Airbus DS GmbH

    IPC分类号: B64G1/40 F03G7/06 F16K31/02

    摘要: Ventil (10) zum selektiven Öffnen einer Fluidleitung, insbesondere in einem Satellitenantriebssystem, umfassend: ein Einlasselement (12), einen Auslassbereich (16), ein Verschlusselement (20), das in einer Ausgangsposition eine fluidische Verbindung zwischen dem Einlasselement (12) und dem Auslassbereich (16) blockiert, und ein Aktorelement (40), das dazu ausgebildet, sich an dem Verschlusselement (20) abzustützen, wobei das Aktorelement (40) ein zumindest von dem Einlasselement (12) abweichendes Wärmeausdehnungsverhalten aufweist, und wobei sich das Aktorelement (40) entlang einer Längsachse (L1) des Einlasselements (12) erstreckt und dazu ausgebildet ist, sich ab Erreichen eines vorbestimmten Erwämungsgrades mit einer derartigen Kraft an dem Verschlusselement (20) abstützten, dass das Verschlusselement (20) aus seiner Ausgangsposition bewegt wird und eine fluidische Verbindung zwischen dem Einlasselement (12) und dem Auslassbereich (16) ermöglicht.

    摘要翻译: 阀(10)用于选择性地打开流体管线,特别是在卫星的推进系统,包括:入口件(12),一个出口(16),在初始位置的闭合元件(20),所述入口构件(12)和之间的流体连接 出口(16)被阻挡,和致动器元件(40)适于在所述封闭元件(20)上被支撑,其特征在于,所述致动件(40)具有一个至少从所述入口件(12)偏离的热膨胀行为,并且其中所述致动器元件( 40)沿纵向轴线在入口构件的(L1)(12)延伸,并且适于从达到预定Erwämungsgrades与封闭元件(20)在这样一个力,以abstützten,所述封闭元件(20)被从其原始位置移动,并 允许入口构件(12)和出口区域(16)之间的流体连接。