Fuel and vapor flow signaling process

Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver

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141206, 141392, 141 94, 137559, 116273, 116276, 116DIG7, B67D 532

Patent

active

052440176

ABSTRACT:
A vapor recovery process signals to customers the presence of flow of gasoline or other liquid fuel and the return flow of vapors. In the preferred process, a customer's tank is fueled with a vapor recovery nozzle. Vapors emitted during fueling are collected by the nozzle and passed to a vapor return hose and then into a storage tank. A vapor flow indicator on the nozzle signals flow of vapors passing through the nozzle. A separate fuel flow indicator in the nozzle signals fueling, i.e., passing a fuel through the nozzle into the customer's tank.

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