Grinder pump

Details Grinder pump Grinder pump

1989-03-21

1990-03-27

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 4608, 241 4611, B02C 2336

Patent

active

049113682

ABSTRACT:
Disclosed is a grinder pump having a grinder disk fixedly provided around a suction port formed in a pump casing and a grinder impeller fixed by a clamping nut on a front end of a pump impeller shaft so as to rotate together with the pump impeller along the inner periphery of the grinder disk. A ring-shaped boss extends axially from the front surface of the grinder impeller and surrounds the clamping nut, and agitating blades are integrally formed on the front surface. The radially inner ends of the blades are united with the ring-shaped boss. It is possible to grind continuously and smoothly foreign matter sucked into the suction port without any fear of any foreign matter becoming entangled in the agitating blades of the grinder impeller or around the clamping nut.

REFERENCES:
patent: 4076179 (1978-02-01), Tsukube
patent: 4108386 (1978-08-01), Conery et al.
patent: 4454993 (1984-06-01), Shibata et al.
patent: 4640666 (1989-07-01), Sodergard
patent: 4697746 (1987-10-01), Nishimori

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