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Title:
HYDROGEN STATION
Document Type and Number:
Japanese Patent JP2008202619
Kind Code:
A
Abstract:

To save energy in a hydrogen station by partly recovering heat of compression of a compressor unit by an absorption refrigerator, to fill a predetermined quantity of hydrogen gas to a fuel cell vehicle by pre-cooling the hydrogen gas to be supplied to a pressure accumulator unit and a dispenser and to reduce time to fill up.

The hydrogen station 50 for filling high pressure hydrogen gas to the fuel cell vehicle 6 is provided with the compressor unit 3, a pressure accumulator unit 4, a dispenser 5, a hydrogen gas piping 28 and the absorption refrigerator 7. The hydrogen gas flowing in the hydrogen gas piping 8 is cooled by introducing a part of the hydrogen gas piping 8 between the compressor unit 3 and the dispenser 5 to an evaporator of the absorption refrigerator 7 and a regenerator of the absorption refrigerator 7 is heated by heat of compression generated in the compressor unit 3.


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Inventors:
KURITA SHINICHIRO
ARAI SHIGERU
AKANUMA AKINORI
Application Number:
JP2007036194A
Publication Date:
September 04, 2008
Filing Date:
February 16, 2007
Export Citation:
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Assignee:
HITACHI PLANT TECHNOLOGIES LTD
International Classes:
F17C5/06; H01M8/00; H01M8/06
Domestic Patent References:
JP2006220275A2006-08-24
JP2006096174A2006-04-13
JP2006316817A2006-11-24
JP2007040593A2007-02-15
JP2006283886A2006-10-19
Attorney, Agent or Firm:
Polaire Patent Business Corporation



 
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