Invention Grant
US07690777B2 Filter device and liquid droplet ejecting device 失效
过滤装置和液滴喷射装置

Filter device and liquid droplet ejecting device
Abstract:
The present invention provides a filter device including a supply channel where a liquid flows in; a first liquid chamber that is communicated with the supply channel; a second liquid chamber that is communicated with the first liquid chamber; a first discharge channel that is communicated with the second liquid chamber and that discharges the liquid; a first filter that is provided between the first liquid chamber and the second liquid chamber; and a second filter that is provided between the first liquid chamber and the second liquid chamber and whose lower end is positioned higher than a lower end of the first filter.
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