F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
F17C 1/00 (2006.01) F17C 3/08 (2006.01) F17C 5/00 (2006.01) F17C 7/00 (2006.01) F17C 9/00 (2006.01) F17C 13/00 (2006.01) F17C 13/02 (2006.01) F17C 13/10 (2006.01)
Patent
CA 2362844
This invention relates to a cryogenic tank assembly that incorporates a vessel for storing a fluid at cryogenic temperature, a pump and an accumulator such that the accumulator is disposed within the cryogenic space defined by the vessel. The assembly then allows for a quantity of fluid to be received by the pump from the cryogenic space, pressurized to a desire pressure and delivered to an accumulator where it is held such that an excess amount of the pressurized fluid is available to meet needs of the end user that exceed that capacity of the pump to supply such pressurized fluid. A further embodiment of the invention includes a heater disposed downstream of the accumulator to warm the fluid to a gas for use by the end user. The heater may be housed within the cryogen space as well. A further embodiment of the invention allows for the accumulator to be housed within the tank assembly generally such that it may be housed in an insulating space frequently found in cryogenic tanks between an outer jacket and the vessel holding the cryogenic fluid. The invention also relates to a method for delivering a pressurized gas from a cryogenic fluid wherein a quantity of a fluid from within the vessel is pressurized, stored within an accumulator found in the cryogen space, heated, transforming it to a gas, and delivered the gas within a pre-determined pressure range and pre- determined temperature range.
Brook Thomas Currie
Follett Lance Garner
Harper Gregory Charles
Noble Stephen Duncan
Oyen Wiggs Green & Mutala Llp
Westport Power Inc.
Westport Research Inc.
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