Pressure building device for a cryogenic tank

Details Pressure building device for a cryogenic tank Pressure building device for a cryogenic tank

F - Mech Eng,Light,Heat,Weapons

17

C

F17C 13/00 (2006.01) F17C 7/04 (2006.01) F17C 9/02 (2006.01)

Patent

CA 2254738

A device for pressurizing a tank containing a supply of cryogenic liquid features a tubular enclosure disposed within the cryogenic liquid. The tubular enclosure features an opening in its bottom and is in communication with a pressure builder coil external to the tank. The vapor side of the pressure builder coil is in communication with the head space of the tank. An electric heater element is disposed in the bottom of the tubular enclosure. An insulating tube may optionally be disposed about the tubular enclosure. In additional, a ball may optionally be positioned adjacent the opening in the tubular enclosure so that a check valve is form . The device fits through the tops of existing cryogenic tanks.

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