In modern pumps, the major variations are in the number of hoses or grades they can dispense, the physical shape, and additional hardware for services such as pay at the pump and attendant tag readers. In general, submersible solutions in Europe are installed in hotter countries, where suction pumps may have problems overcoming cavitation with warm fuels or when the distance from tank to pump is longer than a suction pump can manage. In some cases the actual pump may be sealed and immersed inside the fuel tanks on a site, in which case it is known as a submersible pump. The dispenser shown here dispenses 95E10 and 98E5 petrol diesel as well as low tax fuel oil dyed with Solvent Yellow 124 (indicated as 'Polttoöljy'/'Brännolja'/'MPÖ' primarily intended for non-road vehicles such as those used in the agricultural and construction sectors)Ī modern fuel dispenser is divided into two main parts – an electronic 'head' containing an embedded computer to control the action of the pump, drive the pump's displays, and communicate to an indoor sales system and a mechanical section which (in a self-contained unit) has an electric motor, pumping unit, meters, pulsers and valves to physically pump and control the fuel flow. Design Ī four pump dispenser at a petrol station in Finland. When metering pumps came into use, a small glass globe with a turbine inside replaced the measuring cylinder to show the customer that gasoline really was flowing into the tank. Then the pumping was stopped and the gasoline was let out into the customer's tank by gravity. The desired quantity of fuel was pumped up into the cylinder as indicated by the calibration. Many early gasoline pumps had a calibrated glass cylinder on top. Fuel retail industry giant OPW (a Dover company) acquired Tokheim in 2016. The first fuel dispenser was patented by Norwegian John J. In the United States this term is now only used for trucks that carry and dispense fuel to large aircraft at airports, but it is still used sometimes in Australia and New Zealand. For a while, the term bowser was used to refer to a vertical gasoline pump. He later improved upon the pump by adding safety measures, and by adding a hose to directly dispense fuel into automobiles. The first gasoline pump was invented and sold by Sylvanus Bowser in Fort Wayne, Indiana on September 5, 1885, pre-dating the automobile industry- It was commonly used to dispense the kerosene used in lamps and stoves.

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