Gas pressure regulator

Details Gas pressure regulator Gas pressure regulator

G - Physics

05

D

G05D 16/06 (2006.01) B63C 11/18 (2006.01) B63C 11/22 (2006.01) G05D 16/10 (2006.01)

Patent

CA 2142972

A controller including a piston (13) with a hollow rod (21) extending through an inner partition wall (6) defining a high pressure chamber (3) and an inner chamber (5) and co-operating with a valve seat (24) arranged inside the high pressure chamber (3) on a sealing member (25) in one end (2) of the controller body. The inner chamber (29) is in communication with a side chamber (9) separated from the outside by a membrane (10). Both chambers (9 and 5) are filled with an incompressible fluid (29), typically a silicone oil, which transmits the pressure of the surrounding medium to the piston (13). The controller may be used in underwater breathing apparatuses, especially for cold water diving.

Le régulateur comprend un piston (13) comportant une tige creuse (21) s'étendant au travers d'une cloison interne (6) délimitant une chambre haute pression (3) et une chambre interne (5) et coopérant avec un siège de clapet (24) disposé dans la chambre haute pression (3) et porté par un élément obturateur (25) monté dans une extrémité (2) du corps de régulateur. La chambre interne (29) communique avec une chambre latérale (9) fermée extérieurement par une membrane (10), les deux chambres (9 et 5) étant remplies d'un fluide incompressible (29),typiquement une huile de silicone, transmettant au piston (13) la pression du milieu environnant. Application aux équipements respiratoires de plongeurs, notamment pour plongées en eaux froides.

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