Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-08-11
1994-11-08
Peng, John K.
Communications: electrical
Condition responsive indicating system
Specific condition
340618, 364509, 73 40, G08B 2100
Patent
active
053630939
ABSTRACT:
Method and apparatus for continuously monitoring the volume of liquid in an underground storage tank and producing data for reconciling volume with throughput. This invention provides a set of algorithms and hardware which allows the loss of product caused by equipment failure or pilferage to be determined in one day or less. In order to accomplish this task this system requires a mechanism in each tank which is capable of indicating liquid depth and temperature to a very high degree of accuracy, a water table indicator, data collection equipment for the dispenser metering system, a local computer system for calculating several algorithms and a second computer, either local or remote, which calculates the daily reconciliation and finds the source of any indicated errors. This second computer also provides reports to the tank operator and activates an alarm system in case there is a loss due to a leak in any part of the tank system.
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Kauffmann Glenn A.
Williams Barry N.
Johnson Tim
Peng John K.
Tanknology Corporation International
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