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1. 发明授权

US06761028B2 Drive device 失效
标题翻译：驱动装置
公开(公告)号：US06761028B2
公开(公告)日：2004-07-13
申请号：US10270041
申请日：2002-10-11
申请人： Yukihisa Takeuchi , Nobuo Takahashi , Yuki Bessho
发明人： Yukihisa Takeuchi , Nobuo Takahashi , Yuki Bessho
IPC分类号： F01B1100
CPC分类号： F16K99/0001 , F04B43/046 , F15B7/00 , F15C5/00 , F16K99/0011 , F16K99/0048 , F16K99/0057 , F16K2099/0076 , F16K2099/0084 , F16K2099/0092
摘要： A drive device includes ceramic pumps which alternately pressurize and depressurize fluid within a fluid chamber on opposite sides of a movable body, to thereby move the movable body within the flow chamber. The flow chamber is connected via micro flow passages to an internal-pressure buffering chamber, which accommodates a compressible gas. When the pressure of the fluid is increased and decreased at high speed by the ceramic pumps, the micro flow passages exhibit a high passage resistance, so that the pressure within the channel does not escape to the internal-pressure buffering chamber, and the movable body moves freely. When the pressure of the fluid increases slowly due to the expansion of the fluid, the micro flow passages exhibit a low passage resistance, so that the fluid is led to the internal-pressure buffering chamber, and the pressure increase of the fluid is suppressed.
摘要翻译：驱动装置包括陶瓷泵，其在可移动体的相对侧上的流体室内交替地加压和减压流体，从而使可移动体在流动室内移动。流动室通过微流通道连接到容纳可压缩气体的内部压力缓冲室。当流体的压力通过陶瓷泵高速下降时，微流道表现出高通道阻力，使得通道内的压力不会逸出到内压缓冲室，而移动体自由移动当流体的压力由于流体的膨胀而缓慢增加时，微流体通道表现出低通道阻力，使得流体被引导到内压缓冲室，并且抑制了流体的压力增加。

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