To ensure the improvement of durability, sealing performance and workability of the connection parts of a liquid feeder wherein a tube serving as a passage to each of a plurality of liquid selecting port that can select two or more kinds of liquid is connected to each connection part extended from each liquid selecting port.
This liquid feeder is provided with an electric cylinder pump provided with a pump chamber; a rotor body provided with a center port connected to the pump chamber of the cylinder pump, and liquid selecting ports arranged on the same circumference around the center port so as to be able to select two or more kinds of liquid; and an electric selector valve capable of alternatively connecting the center port to the liquid selecting ports. A passage between each liquid selecting port and the outside of the liquid feeder is formed of the tube, and at least the connection part of the liquid selecting port and the tube are connected and fixed in a liquid-tight manner by the contraction of the tube.
YAMANA JUNICHI
OHARA HITOSHI
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