Temperature controlled grease trap

Details Temperature controlled grease trap Temperature controlled grease trap

1993-09-09

1995-04-25

Drodge, Joseph W.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

137 3, 137 87, 165 34, 210149, 210187, 236 1214, B01D 2130

Patent

active

054096154

ABSTRACT:
Apparatus is disclosed for maintaining the temperature of waste water entering a grease trap below a preset temperature. The apparatus is useful to prevent grease which has collected in the grease trap from being washed into the sewer system by persons attempting to flush the grease from the trap with hot water. A temperature sensor monitors the temperature of waste water flowing into the grease trap. Cold water is introduced directly into the waste water conduit, upstream of the trap, through a valve controllably coupled to the temperature sensor whenever the temperature of waste water in the waste water conduit exceeds a threshold temperature.

REFERENCES:
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patent: 1970123 (1934-08-01), Boosey
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patent: 4113617 (1978-09-01), Bereskin et al.
patent: 4268396 (1981-05-01), Lowe
patent: 4797208 (1989-01-01), Miller et al.
patent: 4940539 (1990-07-01), Weber

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