Compressed gas fuel storage system

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 15/07 (2006.01) B60K 15/01 (2006.01) B60K 15/03 (2006.01) B60P 3/22 (2006.01) F17C 13/02 (2006.01) F17C 13/04 (2006.01)

Patent

CA 2347057

A compressed gas vehicle fuel storage system comprised of a plurality of compressed gas pressure cells (30) supported by shock-absorbing foam (33, 34) positioned within a shape- conforming container. The container is dimensioned relative to the compressed gas pressure cells (30) whereby a radial air gap surrounds each compressed gas pressure cell. The radial sir gap (20) allows pressure-induced expansion of the pressure cells (30) without resulting in the application of pressure to adjacent pressure cells or physical pressure to the container The pressure cells are interconnected by a gas control assembly (40) including a thermally activated pressure relief device, a manual safety shut-off valve, and means for connecting the fuel storage system to a vehicle power source and a refueling adapter The gas control assembly (40) is enclosed by a protective cover attached to the container. The system is attached to the vehicle with straps to enable the chassis to deform as intended in a high-speed collision.

Système de stockage de combustible gazeux comprimé composé d'une pluralité de cellules de pression de gaz comprimé (30) soutenues par une mousse amortisseuse (33, 34) placée dans un conteneur qui en épouse la forme. Les dimensions du conteneur tiennent compte des cellules de gaz comprimé (30), où un couche d'air radial enveloppe chacune des cellules de gaz comprimé. La couche d'air radial (20) permet l'expansion des cellules de gaz comprimé (30) sous l'effet de la pression sans qu'aucune pression ne s'applique aux cellules de pression adjacentes ou qu'une pression physique ne s'applique au conteneur. Les cellules de pression sont liés entre elles par un assemblage de commande du gaz (40) comprenant un dispositif de décompression actionné thermiquement, une soupape d'arrêt manuelle de sécurité, et des moyens pour relier le système de stockage de carburant à la source d'énergie du véhicule et à une prise d'avitaillement. L'assemblage de commande du gaz (40) est enveloppé par une housse protectrice fixée au conteneur. Le système est fixé au véhicule par des sangles, afin de permettre au châssis de se déformer comme prévu lors d'une collision à grande vitesse.

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