| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a drainage pump, which is reduced in size and weight without lowering pumping function and can reduce a space for installing the drainage pump to an indoor device to implement size reduction of the indoor device. SOLUTION: The drainage pump is installed to the indoor device of an air conditioner. In the drainage pump, a pump chamber is constituted of an upper casing 1 and a lower casing 2. An air flow inlet port 18 and a drain discharge port 22 are provided in the upper casing 1. The lower casing 2 is provided with: a first space S1 communicating to a suction port 20 for drain water and the air flow inlet port 18, and accommodating moving vanes 12 connected with a rotation axis 10 of a driving motor M; and a second space S2 communicating to the first space and the drain discharge port 22 of the upper casing 1.</p> |
