| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pump device with a motor assembled on a housing, having reduced vibration and noises and improved assembling workability. <P>SOLUTION: The pump device comprises the housing 1 storing the pump, and the motor 2 mounted on the housing 1 and having an output shaft 21 for driving the pump. Two supported portions (a base end portion 21a and a front end portion 21c) of the output shaft 21 are supported by a supporting portion (a bearing portion 23) provided on the inner periphery of a casing 2c of the motor 2 and a supporting portion (a supporting hole 11b) provided in the inner periphery of a shaft storing hole 1b of the housing 1, respectively. On the side of the housing 1 or the casing 2c between the supporting portion (the supporting hole 11b) and the supported portion (the front end portion 21c), a damping means (a wave washer 9) is provided which is shrunk in the axial direction. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
