Low cost, compressed gas fuel storage system

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 15/063 (2006.01) B67D 7/04 (2010.01) B60K 15/01 (2006.01) B60K 15/03 (2006.01) B60K 15/07 (2006.01) B65D 8/00 (2006.01) F17C 13/02 (2006.01) F17C 13/04 (2006.01) F17C 13/08 (2006.01)

Patent

CA 2347444

A compressed gas vehicle storage system comprised of a plurality of compressed gas pressure cells (30) supported by shock-absorbing bumpers (21, 22) positioned within a low cost, shape conforming container (11, 12). The container (11, 12) is dimensioned relative to the compressed gas pressure cells (30) whereby a radial air gap (26) surrounds each pressure cell (30). The radial air gap (26) allows pressure induced expansion of the pressure cells (30) without resulting in the application of pressure to adjacent pressure cells (30) or physical pressure to the container (11, 12). The pressure cells (30) are interconnected by a gas control assembly (40) including a thermally activated pressure relief device (74) and a conduit (63) connecting the fuel storage system to a vehicle power source and a refueling adapter. The system is attached to the vehicle with straps (14, 15) to enable the chassis to deform as intended in a high-speed collision.

L'invention concerne un système de stockage de gaz comprimé pour véhicules composé de plusieurs cylindres (30) sous pression à gaz comprimé maintenus par des tampons amortisseurs placés dans un récipient à faible coût à forme correspondante (11, 12). Les dimensions du récipient (11, 12) sont relatives aux cylindres (30) sous pression à gaz comprimé de sorte que chaque cylindre (30) sous pression soit entouré d'un vide radial (26). Ce vide radial (26) permet une dilatation induite par la pression des cylindres (30) sous pression sans entraîner de pression sur les cylindres sous pression (30) adjacents ou de pression physique sur le récipient (11, 12). Les cylindres sous pression (30) sont interconnectés par un ensemble régulateur du gaz (40) comprenant un dispositif de relâchement de pression à déclenchement thermique (74) et un conduit (63) reliant le système de stockage du combustible à une source d'alimentation du véhicule et à un raccord d'avitaillement. Le système est relié au véhicule par des barrettes (14, 15) afin de permettre au châssis de se déformer dans le cas d'une collision à grande vitesse.

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