Drop discharge device
AssigneeNGK Insulators, Ltd.
InventorsToshikazu Hirota, Takao Ohnishi
Life of this patent
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Abstract
A drop discharge device is provided, including a pressurizing means for achieving discharge of liquid such as raw material or fuel, a pressurizing chamber for pressurizing liquid to be discharged, a nozzle connected to a lower portion of the pressurizing chamber for discharging liquid to a processing unit of the raw material/fuel discharge device, a layer for repelling liquid disposed in a periphery of a discharge hole of the nozzle, and an introducing hole for supplying liquid to the pressurizing chamber. The layer for repelling liquid includes a layer formed to extend over the entire bottom surface of the pressurizing chamber made of fluorocarbon polymers, and grooves for repelling liquid around the discharge hole of the nozzle.
Claims18
A drop discharge device for discharging a liquid comprising:
- pressurizing means for discharging the liquid;
- a pressurizing chamber for pressurizing the liquid to be discharged;
- a liquid discharge nozzle connected to said liquid pressurizing chamber;
- and
- a layer for repelling the liquid, said layer being disposed around a discharge hole of said nozzle,
- wherein said layer for repelling liquid comprises portions of different liquid-repelling properties spaced from each other.
Dependencies are inferred from the claim text.