F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
F17C 5/06 (2006.01)
Patent
CA 2128819
QUICK FILL FUEL CHARGE PROCESS ABSTRACT OF THE DISCLOSURE A method and apparatus for fast filling a vehicle fuel tank with high pressure natural gas comprising the steps of coupling a fill line to the vehicle tank, introducing high pressure natural gas into the line and the tank, measuring the pressure in the line in as manner that yields a measurement of the initial pressure of the gas in the tank, assigning an initial temperature for the gas in the tank, predetermining the final desired pressure and temperature of the gas in the tank at the end of the fill, calculating the mass or temperature of the gas to be added to the tank so that the adiabatic compression and potential rise in temperature of gas in the tank is automatically compensated for and the tank is substantially filled with a mass that results in a condition, when the tank and the gas contained therein substantially reach ambient temperature, wherein the pressure in the tank is substantially equal to the nominal rated pressure of the tank and, thereafter filling the tank with the calculated gas mass or temperature.
Swenson Paul F.
Tison Raymond R.
Consolidated Natural Gas Service Company Inc.
Macrae & Co.
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