Measuring and testing – With fluid pressure – Leakage
Patent
1977-10-25
1978-09-19
Myracle, Jerry W.
Measuring and testing
With fluid pressure
Leakage
73168, G01M 308
Patent
active
041144260
ABSTRACT:
The present apparatus includes a readily portable carrying case holding all of the equipment needed for detecting a leak in the gasoline line between an above-ground dispensing apparatus and an underground gasoline storage tank, substantially in accordance with my U.S. Pat. No. 3,910,102. The equipment in the carrying case includes a calibrated burette and a funnel for filling it through an opening in the top of the carrying case, a foot or hand operated pump mounted on the inside of the front cover of the case for withdrawing makeup gasoline from the burette, a 160 psi pressure gauge permanently connected to the outlet of this pump, a 15 psi pressure gauge and means for detachably connecting it to the outlet of this pump, an air bleed device and a permanent magnet for mounting it on the dispensing apparatus, a first long flexible hose connecting the pump outlet to the air bleed device, a second long flexible hose connected at one end to the air bleed device, a short connector for detachably connecting the opposite end of the second hose to the pumping system of the dispensing apparatus, an air bleed hose for passing air bubbles and entrained liquid from the air bleed device back to the top of the burette, and a pressure release hose with a normally closed valve extending from the high pressure gauge to the top of the burette.
REFERENCES:
patent: 2073243 (1937-03-01), Liddell et al.
patent: 3273753 (1966-09-01), Johnson et al.
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