| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a motor controller capable of enhancing water invasion prevention function even if it has a breathing hole. <P>SOLUTION: On the lower surface and the right-side surface of a case 31 of a motor controller 3, there is provide in projection three waterproof connectors 34-36. Each of the waterproof connectors 34-36 is formed in a cylindrical shape, and on each of bottom surfaces 34b-36b, there is provided a vent hole 37. Further, each of cables 30 is inserted into and connected with inner parts 34a-36a of each of the waterproof connectors 34-36, and between a conductor 30a and a coating film 30b there is provided a gap 30c over the entire length of the cable 30. With this, between each of the cables 30 and each of the waterproof connectors 34-36, there is formed a breathing passage 38 made by the breathing hole 37, each of the inner parts 34a-36a of each of the waterproof connectors, and the gap 30c inside the cable 30 so as to pass air inside and outside the case 31. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
