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    • 4. 发明授权
    • Thermomechanical in-plane microactuator
    • 热力学平面微致动器
    • US06734597B1
    • 2004-05-11
    • US10312172
    • 2002-12-18
    • Larry L. HowellScott Lyon
    • Larry L. HowellScott Lyon
    • H02N1000
    • H01H1/0036B81B3/0037B81B2201/031B81B2203/0109B81B2203/051F03G7/06H01H61/00H01H2061/006H02N10/00
    • A microactuator providing an output force and displacement in response to an increase in thermal energy is displosed. The microactuator may have a substantially straight expansion member with a first and a second end. The first end may be coupled to a base member, and the second end may be coupled to a shuttle. The expansion member is capable of elongating in a elongation direction. Elongation of the expansion member may urge the shuttle to translate in an output direction substantially different than the elongation direction. In certain embodiments, multiple expansion members are arrayed along one side of the shuttle to drive the shuttle against a surface. Alternatively, expansion members may be disposed on both sides of the shuttle to provide balanced output force. If desired, multiple microactuators may be linked together to multiply the output displacement and/or output force.
    • 提供响应于热能增加的输出力和位移的微致动器被消除。 微致动器可以具有基本上直的膨胀构件,其具有第一和第二端。 第一端可以联接到基座构件,并且第二端可以联接到梭子。 膨胀构件能够在伸长方向上伸长。 膨胀构件的伸长可以促使梭在基本上不同于伸长方向的输出方向上平移。 在某些实施例中,多个膨胀构件沿梭子的一侧排列以驱动穿梭件抵靠表面。 或者,扩展构件可以设置在梭子的两侧以提供平衡的输出力。 如果需要,多个微致动器可以连接在一起以乘以输出位移和/或输出力。