Importance

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Abstract

A fuel dispenser for installation in a service station equipped with a dispenser control console includes a housing, a pump to pump fuel through the housing, a fuel flow meter in the housing, a switch actuable to indicate fuel is to be pumped through the housing, a display on the housing to display the amount of fuel pumped through the housing, and a dispenser control. The dispenser control includes a plurality of microcontroller nodes and a communications bus connecting the microcontroller nodes. A first node is associated with the switch, pump and fuel flow meter, a second node is associated with the display, and a third node is associated with a data link to the dispenser control console. A user may indicate fuel is to be pumped by actuating the switch and generating a signal to the first node, with the first node activating the pump and communicating fuel amount data onto the communications bus, the second node responding to fuel amount data on the bus to display the amount of fuel pumped, and the third node generating a signal to communicate the fuel amount data to the dispenser control console.

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First Claim