Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1987-11-05
1989-05-30
Levy, Stewart
Communications: electrical
Condition responsive indicating system
With particular system function
73 492, G08B 1900, G01M 332
Patent
active
048355224
ABSTRACT:
A controller including a digital processor is connected to flow meters and overfill gauges suitable for placement in the fill ports of underground storage tanks at, for example, a gasoline service station. The station dispenser pumps are also connected to the controller. In addition, probes, including tank liquid level probes, line pressure probes, and leak probes capable of detecting small quantities of liquid leaking from the system, are also connected to the controller. Processor software programs use stored decision criteria relating liquid conditions external of the storage tank system and liquid conditions internal of the storage tank system and its contents to provide audio and visual indications of the status of the liquid storage system and its contents.
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Andrejasich Raymond J
Mussmann Sara M.
Slocum Laurence S.
Emhart Industries Inc.
Forest Carl A.
Levy Stewart
Roskos Joseph W.
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