| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump device that can inhibit vibration and noise.SOLUTION: In the pump device, a pump drive shaft 38 connected to a motor rotary shaft 2a of an electric motor 2 via a joint 40 is supported via a liquid bearing in a shaft support part of a pump housing 32, whereby axial deviation between a drive shaft and the motor rotary shaft is inhibited, pump elements rotate smoothly and vibration and noise can be inhibited.SELECTED DRAWING: Figure 1 |
