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Device for dispensing liquid fluids

  • US 5,992,474 A
  • Filed: 09/17/1997
  • Issued: 11/30/1999
  • Est. Priority Date: 04/10/1997
  • Status: Expired due to Fees
First Claim
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1. A dispensing device for dispensing liquid fuel from at least one storage tank through at least one fuel nozzle, wherein the liquid fuel is conveyed by a fuel pump from the at least one storage tank to the fuel nozzle, wherein the amount of liquid fuel dispensed is measured by a measuring device including an impulse sender, wherein vapors are removed from a fuel tank to be filled by a vapor pump via a vapor removal opening provided at the fuel nozzle, and are returned into the storage tank via a vapor return line, wherein the improvement comprises:

  • the measuring device including a computer producing data sets comprised of address bits, data bits, and check bits for a display electrically interconnected with the fuel pump, for a control unit of the vapor pump in order to control pumping output depending on the amount of liquid fuel being dispensed, and for a central computing unit of a gas station;

    a network for transmitting the data sets to the display, the control unit of the vapor pump, and the central computing unit of the gas station.

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