F.O.G. separator control

Details F.O.G. separator control F.O.G. separator control

2008-05-16

2010-11-09

Smith, Duane (Department: 1797)

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

C210S097000, C210S138000, C210S413000, C210S525000, C210S538000, C073S295000, C073S30400R

Reexamination Certificate

active

07828960

ABSTRACT:
A separator for separating F.O.G. from an effluent that contains F.O.G. includes a tank, an inlet to the tank for receiving effluent that contains F.O.G., and an outlet to allow grey water to leave the tank. The tank has a size to enable stratification of a layer of F.O.G. present in the tank on water in the tank, and first and second thermocouples are positioned at differing levels in the tank. Conductors couple the thermocouples to sensors, and differing voltages in the thermocouples can be sensed to determine if the thermocouples are surrounded by F.O.G. or water.

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Thermistor from Wikipedia, 5 pages, undated related technology.
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