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US 2009/0151809 A1Published application
Method for filling gaseous hydrogen storage tanks
AssigneeTexaco Inc.
InventorsBhaskar Balasubramanian, Lori Ann Long, William Spencer Wheat
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Abstract
The present invention discloses methods for filling gaseous hydrogen storage tanks. The methods of the present invention include methods for refilling gaseous hydrogen storage tanks utilizing a cascade fill. The methods of the present invention provide for the efficient refilling of the gaseous hydrogen storage tanks and the efficient dispensing of gaseous hydrogen to hydrogen vehicles.
Claims13
A hydrogen cascade storage method comprising:
- fueling a vehicle tank of a hydrogen vehicle with gaseous hydrogen from a cascade storage system comprising a plurality of gaseous hydrogen storage tanks;
- refilling said plurality of gaseous hydrogen storage tanks with residual gaseous hydrogen contained within said plurality of gaseous hydrogen storage tanks via a compressor beginning with highest pressure gaseous hydrogen storage tank refilling lowest pressure gaseous hydrogen storage tank;
- and
- introducing additional gaseous hydrogen to said cascade storage system to refill said plurality of gaseous hydrogen storage tanks.
1 more element
Dependencies are inferred from the claim text.