| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric pump unit capable of improving the bearing supporting rigidity of a bearing device and reducing inclination of a motor shaft and a motor rotor.SOLUTION: A cylindrical bearing supporting part 15 is provided in a pump body 6 so as to elongate in a motor housing 7. A bearing device 17 provided inside the bearing supporting part 15 comprises a needle roller bearing 21 disposed between an oil seal 20 disposed on the motor rotor side end of the bearing supporting part 15 and an inner gear 12. The inner gear 12 is interference-fit with a motor shaft 18. |
