| 摘要 |
PROBLEM TO BE SOLVED: To provide a reversible pump capable of reducing generation of pump noise, reducing the size and weight of pump and improving the pump performance. SOLUTION: This reversible pump 1 comprises a motor part 10, a first pump part 11 integrally constituted thereto, and a second pump 12 arranged through a partition wall 50 in opposition the first pump part 11. The first pump part 11 comprises a first impeller 25 and a first delivery port 31, and the motor part 10 comprises a stator 14, a rotor 16 rotatably arranged on the inside thereof, to which the first impeller 25 is concentrically connected, and a first water inlet 17. The second pump part 12 comprises a second water inlet 39, a second delivery port 39, and a second impeller 35 rotatably arranged through the partition wall 50 in opposition to the first impeller 25. The rotation of the first impeller 25 is transmitted to the second impeller 34 by the magnetic connection of the first impeller 25 to the second impeller 34.
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