| 摘要 |
<p>An open-vane impeller (50,52) for a regenerative turbine fuel pump for motor vehicles includes a hub (54) having an outer cylindrical ring (62), a first stage (56) of open-vane impeller vanes (76) extending radially out from the outer ring (62), and a second stage (58) of open-vane impeller vanes (82) extending radially out from the outer ring (62) in side-by-side and phase-shifted relationship to the first stage (56) of open-vane impeller vanes (76). <IMAGE></p> |
