Importance

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Abstract

A pump device includes an electric motor including a motor rotor, a stator including a stator coil, and a rotation shaft, a pump including a pump rotor connected to one axial side of the rotation shaft, and a pump housing that houses the pump rotor, a motor housing that has a bottomed tubular shape with a side portion to which the stator is internally fixed and a bottom portion provided on the other axial side of the rotation shaft, and that houses the motor rotor, a board on which a driver configured to drive the electric motor is mounted, and provided on an outer surface side of the bottom portion of the motor housing, and a busbar that electrically connects the driver and the stator coil, and that is visibly exposed to an outside at least in part when viewed from an outer side of the motor housing.

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First Claim