Hazardous fluid dispenser safety system having a mercury tilt sw

Dispensing – Automatic control – Motor control

Patent

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Details

340689, 200 6147, 200 6152, 200215, 200223, 222 52, B67D 508, B67D 514, G08B 2100, H01H 3502

Patent

active

050836765

ABSTRACT:
A system for dispensing hazardous fluid particular suitable for gasoline service stations utilizing an electrical impact sensing switch mounted upon each dispenser wherein the contacts of the normally open switch close upon impact occurring at the dispenser and the switch controls a primary electrical circuit energizing the pumps providing pressurized fluid to the dispenser whereby impact forces de-energizes the pumps minimizing to actuate alarms and alert personnel of the impact.

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