Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1982-06-10
1984-05-15
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
241 92, 241257R, 241261, 134115G, B02C 1842
Patent
active
044483597
ABSTRACT:
A combination drain pump/disposer is used with a vessel such as a dishwasher and includes a housing defining an impeller cavity, an inlet above the housing which communicates with the vessel, a pump outlet extending through a side wall of the cavity and communicating with the drain line, and a waste impeller positioned within the cavity. The impeller includes a disc-shaped base substantially parallel to and spaced slightly above the floor of the cavity, a plurality of soil-sizing orifices, an upstanding rim extending about a periphery of the base and including an inner wall defining a plurality of radially-extending, substantially vertical cutting edges and an outer wall defining a plurality of radially-extending, substantially vertical pumping vanes, and at least one breaker tooth extending upwardly from the base and positioned inwardly of the rim. The housing includes a cover plate having an opening concentric with the impeller and at least one stationary tooth providing a vertical cutting edge extending downwardly adjacent the inner wall such that rotation of the impeller causes the cutting edges and breaker tooth to pass by the stationary tooth to perform a shearing and cutting function.
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Gorski Joseph M.
Hobart Corporation
Rosenbaum Mark
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