Method and apparatus for fueling vehicles with liquefied...

F - Mech Eng,Light,Heat,Weapons – 17 – C

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F17C 5/04 (2006.01) F17C 5/00 (2006.01) F17C 9/00 (2006.01)

Patent

CA 2194223

Apparatus for and method of, withdrawing liquefied cryogenic fuel stored in a primary insulated storage tank (12) at a low pressure and at a temperature close to its boiling point; increasing the pressure (22) of the withdrawn liquefied cryogenic fuel and then feeding the pressurized liquefied cryogenic fuel through a heat exchanger (36) to warm the liquefied cryogenic fuel to a subcooled or near saturated liquid condition; and feeding the said warmed and pressurized liquefied cryogenic fuel to an insulated tank (42) on a vehicle at a refueling facility, said vehicle using liquefied cryogenic fuel as its fuel and the insulated vehicle fuel tank being adapted to safely contain and store the said liquefied cryogenic fuel in liquid form, at an approximate saturated condition.

Appareil et procédé consistant à 1) extraire un fluide cryogénique liquide stocké dans un réservoir primaire isolé (12) sous faible pression et à une température voisine de son point d'ébullition; 2) accroître la pression (22) du combustible cryogénique liquéfié ainsi extrait; 3) faire passer ledit fluide dans un échangeur de chaleur (36) pour l'amener à l'état liquide de sous-refroidissement ou de quasi-saturation; 4) le faire passer une fois réchauffé et mis sous pression dans le réservoir isolé (42) d'un véhicule utilisant comme carburant le combustible cryogénique liquéfié, ledit réservoir étant conçu pour recevoir et stocker de façon sûre ledit carburant sous forme liquide à l'état de quasi-saturation.

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