Apparatus for detecting leaks in fuel dispensing systems

Details Apparatus for detecting leaks in fuel dispensing systems Apparatus for detecting leaks in fuel dispensing systems

1991-05-02

1992-07-21

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 328

Patent

active

051312620

ABSTRACT:
A method and system for detecting leakage in a liquid dispensing system utilizes a diverter. The liquid dispensing system has an underground tank, submersible pump, a control housing and a surface mounted dispenser. The diverter mounts in the control housing, separating the outlet chamber of the control housing into an upstream portion and a downstream portion. The diverter has a diverting passage that diverts fluid flow up through the diverter and back out into the flow line leading to the dispenser. A valve mounts in the diverting passage. One pressure gage mounts on one side of the valve and another pressure gage mounts on the other side of the valve. Closing the valve after the pump has applied pressure to the system will allow pressure drop to be monitored to determine if the leakage exists on one side or the other.

REFERENCES:
patent: 3183723 (1965-05-01), Deters
patent: 3454195 (1969-07-01), Deters
patent: 3940020 (1976-02-01), McCrory et al.
patent: 4679587 (1987-07-01), Jarr
patent: 4821559 (1989-04-01), Pupora
patent: 5014543 (1991-05-01), Franklin et al.
patent: 5042290 (1991-08-01), Geisinger

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