Measuring and testing – With fluid pressure – Leakage
Patent
1988-01-29
1989-11-28
Williams, Hezron E.
Measuring and testing
With fluid pressure
Leakage
73290R, G01M 326
Patent
active
048829293
ABSTRACT:
Changes in the tide effects at a given location are measured by monitoring the respective levels of a measuring liquid in two containers which are in fluid communication with one another. The liquid levels are measured by suitable transducers including floats, and result in electronic signals indicative of the respective positions of the floats. A difference between the two signals is either computed or obtained from a differential amplifier into which the signals indicative of the respective float positions are inputted. A change in the difference between the float positions measures a change in the tidal effects at the location. The change in tidal effects is advantageously measured in conjunction with measuring leakage of liquid from liquid storage tanks, such as fuel storage tanks of filling stations, where tide effects occur and must be taken into account. The measured change in tide effects is inputted into a computer which also receives the input of a float containing transducer system measuring liquid level in the storage tank. The measured tide effects are then taken into consideration when the leakage rate of the tank is computed.
REFERENCES:
patent: 3460386 (1969-08-01), Guignard
patent: 3841146 (1974-10-01), Cross et al.
patent: 3889523 (1975-06-01), Nolte
patent: 4373815 (1983-02-01), Bruce
patent: 4397183 (1983-08-01), Ballou et al.
patent: 4474054 (1984-10-01), Ainlay
patent: 4561291 (1985-12-01), Ainlay
patent: 4581931 (1986-04-01), Robotti et al.
patent: 4604893 (1986-08-01), Senese et al.
patent: 4646560 (1987-03-01), Maresca, Jr. et al.
patent: 4672842 (1987-06-01), Hasselmann
Underground Tank Leak Detection Method: A State-of-the--Art Review dated Jan., 1986 by U.S. Environmental Protection Agency.
Total Environmental Services Technology, Inc.
Williams Hezron E.
LandOfFree
Apparatus and process for measuring changes in effect of tidal f does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and process for measuring changes in effect of tidal f, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and process for measuring changes in effect of tidal f will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-575142