Gas cooling methods for high pressure fuel storage tanks on...

Details Gas cooling methods for high pressure fuel storage tanks on... Gas cooling methods for high pressure fuel storage tanks on...

2006-04-13

2008-05-27

Douglas, Steven O (Department: 3771)

Fluent material handling, with receiver or receiver coacting mea

With material treatment

Heating or cooling

Reexamination Certificate

active

07377294

ABSTRACT:
At a high pressure refuel depot that dispenses high pressure hydrogen or compressed natural gas to vehicles, the thermal energy (heat) generated by the high flow rate of the high pressure refueling gas is evacuated from the on board fuel tank[s] of vehicles eliminating the need for refueling pre treatments such as a slow fill, secondary precooling, and pressure overfill otherwise used to achieve a full vehicle tank refill. In an example, a high pressure fuel depot refilling line is operatively interconnected to an on board vehicle tank having a gas flow circuit wherein the refuel gas itself is circulated within the on board tank to absorb the compression heat of refueling and then to an external radiator before being released into the tank.

REFERENCES:
patent: 6182717 (2001-02-01), Yamashita
patent: 6899146 (2005-05-01), Bingham et al.
patent: 7021341 (2006-04-01), Viegas et al.
patent: 7124790 (2006-10-01), Bushko
patent: 2005/0271916 (2005-12-01), Yang et al.

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