Liquid droplet jetting apparatus and recording apparatus
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United States of America Patent
Stats
-
Sep 3, 2013
Grant Date -
Dec 11, 2008
app pub date -
May 9, 2008
filing date -
May 9, 2008
priority date (Note) -
Withdrawn
status (Latency Note)
Importance
Abstract
A liquid droplet jetting apparatus includes a common liquid chamber to which the liquid is supplied, a plurality of pressure chambers which communicate with the common liquid chamber and which cause a pressure change in the liquid, a plurality of nozzles which jet the droplets of the liquid, a pressure attenuation chamber which has a throttled portion having a cross-sectional area smaller than that of the common liquid chamber, and an attenuation portion having a cross-sectional area greater than that of the throttled portion, the attenuation portion being connected to one end portion of the common liquid chamber via the throttled portion, a discharge port formed in the pressure attenuation chamber, a discharge channel connected to the discharge port, and having a throttle in which a channel area of the discharge channel is decreased, and a dummy nozzle connected to the discharge port via the discharge channel.
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