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1. 发明授权

US5216313A Ultrasonic wave linear motor 失效
标题翻译：超声波线性电机
公开(公告)号：US5216313A
公开(公告)日：1993-06-01
申请号：US639396
申请日：1991-01-10
申请人： Kazumasa Ohinishi , Koichi Naito , Toru Nakazawa
发明人： Kazumasa Ohinishi , Koichi Naito , Toru Nakazawa
IPC分类号： H01L41/09 , H02N2/08
CPC分类号： H01L41/0906 , H02N2/003 , H02N2/026
摘要： The present invention proposes an ultrasonic wave linear motor constituted in such a way that an oscillatory element for making oscillation in a direction crossing the shaft line of an oscillatory member is attached to the oscillatory member made of an elastic body formed in a rod shape and a driven body capable of making free relative movement in a direction crossing the shaft line in relation to the above oscillatory member is arranged to abut the end of the above oscillatory member, and also proposes such a driving process that, the ultrasonic wave linear motor makes linear movement by exciting flexural oscillation and longitudinal oscillation on the above oscillatory member by means of the oscillation of an oscillatory element so that an elliptical oscillation composed of flexural oscillation and longitudinal oscillation may take place on the surface of the oscillatory member in contact with the driven body. The present invention also proposes a process for driving the oscillation frequency of the oscillatory element by means of the resonance frequency of the oscillatory member as the most efficient driving process in view of energy.
摘要翻译：本发明提出一种超声波线性电动机，其特征在于，在与振动部件的轴线交叉的方向上振荡的振动元件安装在由杆状的弹性体构成的振荡部件上，被驱动体能够相对于上述振动部件在与轴线相交的方向上进行自由的相对移动而被配置成抵靠上述振动部件的端部，并且还提出了这样一种驱动过程，使得超声波线性电动机成为线性通过振荡元件的振荡激励上述振荡元件上的弯曲振荡和纵向振荡的运动，使得在与驱动体接触的振荡元件的表面上可能发生由弯曲振荡和纵向振荡组成的椭圆振荡。本发明还提出了一种通过振荡元件的谐振频率来考虑能量来驱动振荡元件的振荡频率作为最有效驱动过程的方法。

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