Passive pressure relief device system based on thermobattery...

Details Passive pressure relief device system based on thermobattery... Passive pressure relief device system based on thermobattery...

2006-05-19

2010-06-29

Rivell, John (Department: 3753)

Fluid handling

Ambient condition change responsive

Atmospheric

Reexamination Certificate

active

07743785

ABSTRACT:
A compressed gas storage system with an incorporated pressure relief device is disclosed. The compressed gas storage system comprises a tank for storing a compressed gas, a battery in the direct surroundings of the tank, and a relief valve in communication with the tank. The relief valve is configured to be responsive to electrical current generated by the battery. The battery is configured to define an electrically active state when it reaches a temperature above a maximum safe operating temperature of the compressed gas storage system. The electrically active state of the battery is characterized by the generation of sufficient electrical current to open the relief valve which permits gas to escape from the tank. In another embodiment, a thermocouple in combination with a conducting metal may be substituted for the battery.

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