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FLUID EJECTION DEVICE
专利权人:
SEIKO EPSON CORPORATION
发明人:
Masaki GOMI,Kazuaki UCHIDA
申请号:
US14682946
公开号:
US20150289897A1
申请日:
2015.04.09
申请国别(地区):
US
年份:
2015
代理人:
摘要:
A fluid ejection device includes a fluid accommodation portion that has a fluid outlet connected to a fluid connection tube having a channel. A fluid pressing unit causes the fluid to flow out of the fluid outlet. A fluid ejection unit ejects in a pulsed manner fluid received from the fluid connection tube. A channel opening and closing unit opens and closes the channel of the fluid connection tube. A pressure detection unit detects pressure when the fluid pressing unit operates. A control unit causes the fluid pressing unit to operate in a state in which the channel is closed, and determines that the pressure detection unit has failed depending on whether a time required until the pressure is a second determination value after the detected pressure is equal to or greater than a first determination value is equal to or greater than a predetermined determination time.
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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