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Dispositif d'éjection de fluide et instrument médical
专利权人:
Seiko Epson Corporation
发明人:
申请号:
EP14161727.4
公开号:
EP2783644A1
申请日:
2014.03.26
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
A fluid ejection device which ejects a fluid includes: an ejection pipe having an opening to eject the fluid; a fluid chamber which communicates with the ejection pipe and changes in volume due to displacement of a piezoelectric element; a supply channel which communicates with the fluid chamber; an opening/closing unit which is provided on the supply channel and opens and closes the supply channel; a fluid supplying unit which pressurizes the fluid and supplies the fluid to the fluid chamber via the supply channel; and a voltage controller which applies a drive voltage to the piezoelectric element. The voltage controller controls the drive voltage applied to the piezoelectric element so that the drive voltage reaches a predetermined voltage after the supply channel is opened by the opening/closing unit.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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