| 摘要 |
<p>A centrifugal electric pump (1) for suction of aeriform fluids with liquids anti-infiltration device, comprising: an electric motor (2) equipped with a shaft (3); a cylindrical suction box (4) associated with said motor (2), provided with an intake (5) for aeriform fluid, with at least one exhaust port (6) and with a closing cover (7) also arranged for acting as base for said motor (2); at least one fan (8), fitted onto said shaft (3) and driven in movement by said motor (2); a bearing (9) interposed between said shaft and said base of said suction box; a liquids anti-infiltration device (10) arranged between said electric motor (2) and said suction box (4), provided with a gasket (11), wherein said gasket (11) rotates with said drive shaft (3) and comprises a cylindrical main body (13) associated with said shaft, and a truncated-cone shaped sealing lip that cooperates with the flat face of a metal ring (12), provided between the bearing and the cover (7) of said suction box (4) to produce watertight closure of said box.</p> |
