| 摘要 |
A liquid pump has an annular stator having wire windings that extend around a generally tubular central opening. An inner housing made of a non-ferrous material has an inner opening, an input end, and an output end such that liquid can enter the input end, pass through the inner opening and exit through the output end. A portion of the housing extends through the central opening of the stator and a brushless rotor mounted on a shaft is positioned entirely within the housing to thereby seal the shaft from leakage. A drive attached to the shaft urges the liquid from the input end of the housing to the output.
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