| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent a foreign material from being caught between a relief valve and a relief oil outlet, in the relief valve of an oil pump. <P>SOLUTION: In a relief structure of the oil pump, when viewing a valve body 16 from a direction intersecting perpendicularly to a plane including an axis line of a valve hole 18 and a straight line in which this axis line is projected to the bottom portion of a relief oil path 13, the shape of the relief oil outlet 22 is formed to be an approximately triangle shape including a first side 27 arranged in a position most distant from the bottom portion in the depth direction of the relief oil path 13, and extending parallel to the axis line of the valve hole 18, a second side 28 extending from the end portion of a relief oil inlet 21 side of the first side 27 to a bottom portion of the relief oil path 13, and inclining so as to recede from the relief oil inlet 21 as it approaches the bottom portion of the relief oil path 13, and a third side 29 connecting the end portions of these two sides. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
