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    • 8. 发明授权
    • Multi-stable actuation apparatus and methods for making and using the same
    • 多稳定致动装置及其制造和使用方法
    • US08540206B2
    • 2013-09-24
    • US12539521
    • 2009-08-11
    • Leonid FoshanskyRobert Bogursky
    • Leonid FoshanskyRobert Bogursky
    • F16K31/00
    • F16K31/025F16K31/002
    • Actuator apparatus having a multi-stable element actuated by memory alloy actuating elements. In one embodiment, the multi-stable actuator comprises a bistable (two-state) diaphragm element adapted to alternate between two stable configurations via forces exerted on the diaphragm by more than one memory alloy filaments in response to thermal activation. In another embodiment, the bistable diaphragm of the multi-stable actuator transitions from a first to a second stable configuration via forces exerted by a single filament in response to direct or indirect thermal activation. A portion of the assembly is displaced when the assembly is in the second configuration. The bistable diaphragm transitions back to the first stable configuration via application of mechanical force on a portion of the assembly which was displaced. Methods for making and using the bistable actuator apparatus are also disclosed.
    • 具有由记忆合金致动元件致动的多稳定元件的致动器装置。 在一个实施例中,多稳定致动器包括双稳态(双态)隔膜元件,其适于通过响应于热激活的多于一个的记忆合金细丝施加在隔膜上的力来交替两个稳定构型。 在另一个实施例中,响应于直接或间接的热激活,多稳定致动器的双稳态隔膜通过由单个灯施加的力从第一稳定构造转变为第二稳定构型。 当组件处于第二配置时,组件的一部分被移位。 双稳态膜片通过在组件的被移位的部分上施加机械力而转回到第一稳定构型。 还公开了制造和使用双稳态致动器装置的方法。