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1. 发明授权

US06563253B2 Piezoelectric actuator 失效
标题翻译：压电执行器
公开(公告)号：US06563253B2
公开(公告)日：2003-05-13
申请号：US09796968
申请日：2001-03-01
申请人： Gerhard Diefenbach , Christian Reichinger
发明人： Gerhard Diefenbach , Christian Reichinger
IPC分类号： H02M200
CPC分类号： B26B19/282 , H02N2/002 , H02N2/006 , H02N2/103
摘要： The invention relates to a piezoelectric actuator (1) for driving a movable part (2), for example a rotor, having an elongate piezoelectric resonator (3), which serves to perform longitudinal vibrations and which is acted upon by elastic means (10), for example a spring (10). The elastic means (10) acts upon the piezoelectric resonator (3) mainly in the longitudinal direction (11) and serves to exert a force on the resonator (3) in a direction towards the movable part (2), the resonant frequency of the elastic means (10) being substantially smaller than the resonant frequency of the piezoelectric resonator (3), and the piezoelectric resonator (3) is guided by at least one guide element (4, 5) in a direction perpendicular to its longitudinal direction (11). This enables the resonator (3) to vibrate as freely as possible, which leads to a higher efficiency.
摘要翻译：本发明涉及用于驱动具有细长压电谐振器（3）的可移动部件（2）（例如转子）的压电致动器（1），其用于执行纵向振动并且由弹性装置（10）作用，，例如弹簧（10）。弹性装置（10）主要在纵向（11）上作用在压电谐振器（3）上，用于在朝向可动部分（2）的方向上在谐振器（3）上施加力，弹性装置（10）基本上小于压电谐振器（3）的谐振频率，并且压电谐振器（3）在垂直于其纵向（11）的方向上由至少一个引导元件（4,5）引导）。这使得谐振器（3）能够尽可能自由地振动，这导致更高的效率。

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