Sewage handling system

Details Sewage handling system Sewage handling system

1994-12-22

1996-09-10

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

With automatic control

73304R, 137386, 137395, 307118, 361178, 417 36, 241 4601, B02C 2500, G01F 2300, F16K 2118

Patent

active

055537944

ABSTRACT:
A sewage grinder pump system for use in moving sewage, having a vertically oriented cylindrical pump motor housing, a bottom plate affixed to and closing the pump motor housing, a motor supported by the bottom plate within the pump motor housing, the motor having a shaft extending through an opening in the bottom plate, a grinder pump supported to a lower end of the bottom plate and connected to the motor shaft, a closure member affixed to the pump motor housing top end and having a level detector receiving portion providing a liquid level detector opening therein externally of the pump motor housing, an elongated liquid level detector having an upper end received within the liquid level detector opening, and a circuit connecting the liquid level detector to control the motor to thereby drive the grinder pump in response to detected liquid level.

REFERENCES:
patent: 3318248 (1967-05-01), Rembold
patent: 3667692 (1972-06-01), Grace
patent: 3857517 (1974-12-01), Grace et al.
patent: 3904131 (1975-09-01), Farrell, Jr. et al.
patent: 4014475 (1977-03-01), Grace et al.
patent: 4551068 (1985-11-01), Boudreaux
patent: 4739786 (1988-04-01), Parkinson
patent: 4822213 (1989-04-01), Grace et al.
patent: 4919343 (1990-04-01), Van Luik, Jr. et al.
patent: 5044566 (1991-09-01), Mitsch

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