Pump system for delivering cryogenic liquids

Details Pump system for delivering cryogenic liquids Pump system for delivering cryogenic liquids

F - Mech Eng,Light,Heat,Weapons

17

C

F17C 9/00 (2006.01) B60K 15/03 (2006.01) F04B 15/08 (2006.01) F04B 23/02 (2006.01)

Patent

CA 2368908

A pump system for delivering cryogenic liquids is proposed that is suitable, for example, for refueling motor vehicles with H2. It consists of a container (1) for receiving the cryogenic liquid, in which at least one pump (2) is arranged that delivers the cryogenic liquid into a pressure housing (3), which is connected via a discharge line (4) to a consumer, e.g., the motor vehicle. By dividing container (1) into two chambers (h and f) that are preferably separated by pressure housing (3) as well as by a special arrangement of liquid feed (i) and gas return (j), liquid level (m) in container (1) is stabilized automatically, and a reliable operating method of the pump system is thus achieved.

Système de pompe pour la distribution de liquides cryogéniques, qui est adapté par exemple pour remplir de H2 le réservoir de véhicules à moteur. Ledit système comporte une cuve (1), destinée à contenir le liquide cryogénique, dans laquelle est installée au moins une pompe (2) qui refoule le liquide cryogénique dans un boîtier (3) à fluide sous pression relié à un consommateur, par exemple le véhicule à moteur, par l'intermédiaire d'une conduite de distribution (4). La séparation de la cuve (1) en deux chambres (h et f) séparées de préférence par le boîtier (3) à fluide sous pression, ainsi qu'une configuration spéciale de l'arrivée (i) de liquide et de la conduite de retour de gaz (j) permettent un maintien automatique constant du niveau de liquide (m) dans la cuve (1) et, partant, une meilleure sécurité de fonctionnement dudit système de pompe.

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