| 摘要 |
PURPOSE: A valve for controlling normal amount of a multi-channel is provided to prevent the drop from being formed on an end of a discharge port by supplying fluid with pulse type and to transfer exact normal amount. CONSTITUTION: A normal amount controlling valve device of a multi-channel comprises a first control valve composed of a supply hole(30), a first air passage(10), a first inside space(80), oil passages(44,45), and a membrane; a second control valve formed by a syringe connect hole(51), a second air passage(20), a second inside space(81), the oil passages, and the membrane; a third control valve composed of a discharge hole(70), a third air passage, a third inside space, the oil passages, and the membrane; a membrane body combined more than two; syringes connected to the syringe connect hole in the membrane valve body; and a stepping motor operating a piston of the syringe. Thereby, normal amount controlling valve of the multi-channel prevents the drop of the fluid from being remained in an end of the discharge hole.
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