Conservation system and method

Details Conservation system and method Conservation system and method

1993-07-19

1994-08-23

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

13710125, 137412, 137414, 261110, G05D 1113

Patent

active

053398548

ABSTRACT:
An apparatus for conserving utilities including coolant, in a system having an evaporative cooler equipped with a water reservoir for holding a predetermined amount of cooling water and also equipped with a recirculating system for recirculating the cooling water. The apparatus has a level sensing assembly coupled to the water reservoir. The level sensing assembly provides a first signal when the cooling water level is less than a first predetermined limit. The system has a controller coupled to the level sensing assembly for receiving the first signal. The system also has a supply valve coupled to the water reservoir, to a water supply and to the controller. The supply valve is responsive to signals from the controller. The supply valve delivers water from the water supply to the water reservoir. The system further has a bleed valve coupled to the water reservoir and to the controller. The bleed valve is responsive to signals from the controller. The bleed valve releases an amount of water from the reservoir. The system desirably has an automated dispenser of chemical additives coupled to the water reservoir and to the controller. The automated dispenser is also responsive to signals from the controller. The automated dispenser automatically provides chemical additives to the water reservoir.

REFERENCES:
patent: 3788340 (1974-01-01), O'Leary
patent: 4464315 (1984-08-01), O'Leary
patent: 4836239 (1989-06-01), Kinkead

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