F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/112
F04D 9/02 (2006.01) A01K 63/04 (2006.01) C02F 3/12 (2006.01) F04D 1/12 (2006.01) F04D 29/22 (2006.01) F04D 29/70 (2006.01)
Patent
CA 1062545
SELF-PRIMING CENTRIFUGAL PUMP Abstract of the Disclosure A self-priming centrifugal pump includes a housing having an inverted frusto-conically shaped lower portion. A centri- fugal impeller is suspended from the shaft of a motor mounted in the top portion of the housing. The centrifugal impeller includes a solids collector member removably attached to its lower end. A cylindrical inlet tube, integral with the frusto-conically shaped lower housing portion, extends into the interior of the centrifugal impeller through an opening in the lower end of the solids col- lector member. An inverted dish shaped impeller member is located above the centrifugal impeller and directs and impels fluid pumped by the centrifugal impeller toward a plurality of efflux ports located in the pump housing. The centrifugal impeller includes an air hole in the conical wall thereof to allow air to escape as the pump is priming.
231772
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