Composite conformable pressure vessel

Details Composite conformable pressure vessel Composite conformable pressure vessel

F - Mech Eng,Light,Heat,Weapons

17

C

F17C 1/02 (2006.01) B60K 15/03 (2006.01) F17C 1/16 (2006.01)

Patent

CA 2212016

A pressure vessel (10) for holding a pressurized fluid such as compressed natural gas ("CNG") includes two end cells (12) and zero or more interior cells. The cell geometry ensures that the cells (12) meet one another at tangential circular surfaces, thereby reducing the tendency of adjacent cells to peel apart. A web (14) secured about the cells includes two sheets that are tangent to the cells (12). Unused volumes between the cells (12) and the web contain wedges of foam or rubber. A valve (22) provides fluid communication between the interior of the pressure vessel and a pressurized fluid line. The filled weight of one pressure vessel does not exceed the filled weight of a conventional gasoline tank that occupies substantially the same space as the pressure vessel. The pressure vessel may be configured with exterior recesses for engaging conventional gasoline tank straps.

Récipient à pression (10) destiné à contenir un fluide sous pression tel que du gaz naturel comprimé (CNG), qui comporte deux cellules terminales (12) et zéro ou plusieurs cellules intérieures. La géométrie des cellules assure que lesdites cellules (12) se rejoignent au niveau de surfaces circulaires tangentielles, ce qui réduit ainsi la tendance de cellules adjacentes à se séparer. Une bande (14) fixée autour des cellules comporte deux tôles qui enveloppe les cellules (12). Les volumes non utilisés entre les cellules (12) et la bande contiennent des coins en mousse ou en caoutchouc. Une valve (22) permet une communication fluidique entre l'intérieur du récipient à pression et un conduit de fluide sous pression. Le poids à plein d'un récipient à pression ne dépasse pas le poids à plein d'un réservoir d'essence classique qui occupe à peu près le même espace que le récipient à pression. Ledit récipient peut être doté d'évidements extérieurs permettant de placer des sangles classiques de réservoir à essence.

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