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(11) | EP 2 088 326 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Mixed flow centrifugal volute pump for swimming pools |
| (57) The mixed flow volute pump presents the particular feature of its casing comprising
two independent parts (1) and (2) obtained by means of plastic injection molding,
preferably of polypropylene, said parts (1) and (2) being joined together by means
of screws (4). The materialization of the pump casing in plastic provides advantages
such as lower manufacturing costs and less weight compared to conventional pump casings
made of cast iron. The two parts (1) and (2) have a special shape such that the corresponding
Archimedes volute (3) to be found in conventional pump casings of the same type is
defined between them both. Established in the said parts (1) and (2) are flanges (5)
for joining them together, along with a flange (6) for fixing to the respective motor,
and a flange (7) for coupling to the discharge nozzle for the flow, establishing the
closure of the volute (3).
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