| 摘要 |
<p>A double delivery pump (1) for an electric household appliance including a pump body (4) housing a centrifugal impeller and provided with a first delivery pipe (6) and with a second delivery pipe (7) having passage sections which are different from one another and obtained on the pump body in tangential, diametrically opposite positions with respect to a rotation axis of the impeller, and with first and second fastening means (9, 12) to a casing (10) of the electric household appliance designed to be selectively used to assemble the pump body, either with the first delivery pipe arranged above and with the second delivery pipe arranged below the axis of rotation (A) of the impeller and vice versa, so that the pump depending on which fastening means (9, 12) are selected, may be used either on a professional dishwasher (3a) or glasswasher (3b). The pump body includes a cup-shaped scroll (20), a closing lid (40) of a mouthpiece (22) of the scroll, which may be housed in a seat defined by an annular collar (30) of the scroll and axially carrying a suction pipe, the lid arranged in use in axial abutment against a bottom wall (35) of the annular collar with the interposition of a sealing ring (43), and a threaded locking ring (50), coupled with a threaded segment (37) of the collar to axially press in use the lid (40) against the bottom wall (35), uniformly along a peripheral edge (44) of the lid.</p> |
