Combined liquefied gas and compressed gas re-fueling station and method of operating same
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United States of America Patent
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-
Oct 23, 2007
Grant Date -
Jan 12, 2006
app pub date -
Sep 3, 2003
filing date -
Sep 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A re-fueling station is provided for selectively dispensing fuel in the form of liquefied gas or compressed gas. The re-fueling station comprises a storage tank for storing liquefied gas; a positive displacement fuel pump operable to draw fuel from the storage tank and discharge fuel to a flow diverter, which is operable to selectively direct fuel through one of a first outlet or a second outlet; and conduits through which fuel may flow from the first outlet to a heat exchanger and then to a first dispenser for dispensing compressed gas, or from the second outlet to a second dispenser for dispensing liquefied gas. A method is provided comprising operating the fuel pump in a low speed mode when fuel is directed to the first dispenser and operating the fuel pump in a high speed mode when fuel is directed to the second dispenser.
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