| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the deterioration of strength and performance and further provide an impeller superior in productivity. <P>SOLUTION: The impeller is configured by fusing a body member 10 where a plurality of impellers 12 having a backside 18 to a base section 11 are integrally disposed at distances at least having a scope of the base section 11 corresponding to the backside 18 on the top surface of the base section 11 slanted relative to an axis line C to a cover member 30 and a projection 13 provided on each of the impellers 12 to a pore section 33 provided at the cover member 30. <P>COPYRIGHT: (C)2012,JPO&INPIT |
