| 摘要 |
FIELD: engines and pumps.SUBSTANCE: invention can be used in production and operation of low-capacity pumps of space rockets. This impeller comprises solid hub, drive disc, cover disc and n vanes. N axial props are arranged around the periphery of impeller to connect said cover disc with drive disc and made integral therewith, each being arranged between two adjacent vanes. Pressure side of every vane and proximate axial prop surface facing said side are composed by every cut-out at one of the discs. Rear side of every vane and proximate axial prop surface facing said side are composed by every cut-out at the other disc.EFFECT: expanded applications.4 dwg |
