| 摘要 |
A pump of the progressing cavity type having a direct driven shredding or macerating unit combined therewith for the purpose of shredding or comminuting raw sewage or other large suspended bodies and pumping the fluids with the suspended solids therein to a holding tank and the like, as for example in recreational units such as trailers, campers, boats, and the like. A cutter element is secured to the rotor shaft at the pump intake, and coacts with a stationary cutter element surrounding the cutter intake to reduce the large and suspended solids to a state in which, while suspended in a fluid, they may be pumped.
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