Patent ID: 6444016
Filing Date: 2002-09-03
Classification: F17C,Y02E

Abstract:
A hydrogen storage unit for charging and discharging hydrogen gas, the hydrogen storage unit comprising:a hydrogen storage container containing a hydrogen absorption material, wherein the hydrogen storage unit is adapted to be supplied hydrogen from hydrogen supplying equipment and adapted to supply hydrogen to hydrogen consumption equipment; a filter portion including an adsorbent for adsorbing impurities contained in hydrogen gas stored in the hydrogen storage unit, wherein the filter is arranged in a hydrogen flow path and wherein the hydrogen is supplied to the hydrogen consumption equipment through the filter from the hydrogen storage unit; a heat supply means including heating means for heating the filter portion to enhance elimination of impurities adsorbed by the adsorbent, the heat supply means provided in the filter portion; and a gas sensor located on the hydrogen storage unit to detect the impurities eliminated from the filter part when hydrogen is supplied from the hydrogen storage unit to the hydrogen consumption equipment through the filter; wherein the heat supply means stops heating the filter according to a level of impurities detected by the gas sensor.