| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the durability of a seal which regulates leaking of hydraulic oil from an oil pump. <P>SOLUTION: This power steering device, equipped with a motor 10 having a driving shaft 9, a seal 25 which regulates leaking of hydraulic oil from the oil pump 8 to the motor 10 and a reservoir tank 18 storing the hydraulic oil, comprises: a first communication path 22a for directly communicating the front end of the oil pump 8 of the seal 25 with the reservoir tank 18 to make the hydraulic oil leaking from the oil pump 8 flow out to the reservoir tank 18. <P>COPYRIGHT: (C)2007,JPO&INPIT |
