| 摘要 |
A water pump for a vehicle may include a water pump housing, a water pump drive shaft, a bearing, a first rotation plate connected to one end of the water pump drive shaft, a first magnet mounted on one surface of the first rotation plate, an impeller rotation shaft coaxially disposed with the water pump drive shaft, an impeller bearing rotatably enclosing an exterior circumference of the impeller rotation shaft, a second rotation plate connected to one end of the impeller bearing, a second magnet mounted on one surface of the second rotation plate, and an impeller connected to the other end of the impeller bearing, wherein the one surface of the first rotation plate and the one surface of the second rotation plate may be disposed apart from and face each other, and facing poles of the first and second magnets may be different from each other.
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