Method of discharging high pressure storage vessels

Details Method of discharging high pressure storage vessels Method of discharging high pressure storage vessels

2005-04-14

2008-09-23

Rivell, John (Department: 3753)

Fluid handling

Plural tanks or compartments with parallel flow

With manifold or grouped outlets

C137S263000, C137S255000, C137S601140, C137S601200

Reexamination Certificate

active

07426935

ABSTRACT:
A master/slave tank system for storing a compressed hydrogen gas, where the system employs an electrically driven shut-off valve for each tank in the system. The tank system includes a master tank and a slave tank for storing the gas. A first line is coupled to the master tank for providing the gas stored therein to a fuel cell stack. A master tank shut-off valve is positioned in the first line between the master tank and a pressure regulator. A second line is coupled to the slave tank for providing the gas stored therein to the master tank as the pressure difference between the slave tank and the master tank changes. An electrically driven slave tank shut-off valve is positioned within the second line, where the slave tank shut-off valve automatically closes the second line in response to an increase in the differential pressure across the slave tank valve.

REFERENCES:
patent: 3289694 (1966-12-01), Elliott et al.
patent: 3559678 (1971-02-01), Donner
patent: 3762431 (1973-10-01), Wilson et al.
patent: 6708718 (2004-03-01), Yamada et al.
patent: 7067212 (2006-06-01), Willimowski et al.

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