专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08662312B2 Piezoelectric valve and optical granular material-sorting apparatus utilizing such piezoelectric valve 有权
标题翻译：使用这种压电阀的压电阀和光学粒度分选装置
公开(公告)号：US08662312B2
公开(公告)日：2014-03-04
申请号：US13107332
申请日：2011-05-13
申请人： Takafumi Ito , Teruhiko Takeuchi , Takeshi Yano , Sze Keat Chee , Toshiro Higuchi
发明人： Takafumi Ito , Teruhiko Takeuchi , Takeshi Yano , Sze Keat Chee , Toshiro Higuchi
IPC分类号： B07C5/36
CPC分类号： B07C5/366 , B07B4/02 , B07C5/3422 , B07C5/3425 , B07C5/365 , F16K31/004 , Y10S209/938
摘要： A piezoelectric valve comprising: a valve main body formed in which are a gas pressure chamber that takes in compressed gas supplied from the outside as well as a gas release channel through which the compressed gas is released from the gas pressure chamber; a valve body placed in the gas pressure chamber to open and close the gas release channel; a piezoelectric element that generates, in the form of displacement, a driving force needed to operate the valve body; at least one displacement amplification mechanism that amplifies a displacement of the piezoelectric element and causes it to act upon the valve body; and a driving means for applying voltage to the piezoelectric element in order to drive the valve body to open the valve and thereby open the gas release channel; wherein such piezoelectric valve is characterized in that the driving means applies voltage to the piezoelectric element in multiple stages so as to suppress fluctuation in the amount of gas ejected from the gas release channel when the valve opens.
摘要翻译：一种压电阀，包括：阀主体，其形成有从外部供应的压缩气体的气体压力室以及压缩气体从气体压力室释放的气体释放通道; 阀体，放置在气体压力室中以打开和关闭气体释放通道; 以位移的形式产生操作阀体所需的驱动力的压电元件; 至少一个位移放大机构，其放大所述压电元件的位移并使其作用在所述阀体上; 以及用于向压电元件施加电压以驱动阀体以打开阀并由此打开气体释放通道的驱动装置; 其特征在于，所述驱动装置以多级对所述压电元件施加电压，以便抑制当所述阀打开时从所述气体释放通道喷出的气体的波动。

IPRDB

热门服务

关于我们

友情链接

联系方式