COMBINED LIQUEFIED GAS AND COMPRESSED GAS RE-FUELING STATION AND METHOD OF OPERATING A COMBINED LIQUEFIED GAS AND COMPRESSED GAS RE-FUELING STATION

摘要

A re-fueling station is provided for selectively dispensing fuel in the formofliquefied gas or compressed gas. The re-fueling station comprises a storagetankwithin which liquefied gas may be stored; a dispensing system comprising: (a)afirst dispenser for dispensing compressed gas; (b) a second dispenser fordispensingliquefied gas; (c) a heat exchanger operable to transfer heat to the fuel; (d)a flowdiverter operable to receive duel through an inlet and selectively direct fuelthroughone of a first outlet or a second outlet; (e) conduits through which fuel mayflowfrom the first outlet to the heat exchanger and then to the first dispenser,or fromthe second outlet to the second dispenser; and, (f) a positive displacementfuel pumpoperable to draw fuel from the storage tank and discharge fuel to the inlet oftheflow diverter. A method of operating the re-fueling station comprisesoperating thefuel pump in a low speed mode when fuel is directed to said first dispenser tosupply compressed gas and operating the fuel pump in a high speed mode whenfuelis directed to the second dispenser to supply liquefied gas.