| 摘要 |
PROBLEM TO BE SOLVED: To prevent drain water and a foreign matter from remaining in a drain port part of a drain pump mounted on an air conditioner. SOLUTION: Since a bottom face of an inner side water flow passage of the drain port part 21 to which a drain pipe 6 is connected is formed in such a way that it becomes lower toward a pump part (motor 24, rotary shaft 25, and vane 26) side from a side to which the drain pipe 6 is connected, the drain water 31 and the foreign matter 32 flow into a pump part along the bottom face of the inner side water flow passage of the drain port part 21, even if the operation of the motor 24 is stopped and the drain water 31 and the foreign matter 32 flow back into the drain port part 21 from the drain pipe 6, so that remaining of the drain water 31 in the drain port part 21 is suppressed.
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