专利名称：DISPLACEMENT AMPLIFICATION
MECHANISM OF PIEZOELECTRIC EFFECT
ELEMENT
发明人：ARAI TOMOJI
科技发展的好处申请号：JP6819691tae是谁
申请日：19910401
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公开号：JPH04303977A
公开日：
董事长英文
19921027
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pirated摘要：PURPOSE:To obtain a displacement amplification mechanism of a piezoelectric effect element with a simplified mechanism and a low production cost by utilizing a volume inflation which is generated by aling the piezoelectric effect element in a vesl which is filled with fluid and applying a voltage. CONSTITUTION:A piezoelectric effect element 1 exists in a vesl 3, furthermore, the vesl 3 is filled with a fluid 2, and then a volume of the piezoelectric effect element 1 inflates when a voltage is applied to the piezoelectric effect element 1 externally. This inflation allows pressure of the fluid 2 within the vesl 3 to be incread. The increa in pressure of the fluid 2 caus a tip of bellows 5 to be deformed toward an external portion of the vesl 3, a displacement take-out portion 6 to be pushed up, and then the displacement to be taken out.
申请人：NEC CORP
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