Fluid dispensing and regulating valve and use thereof for...

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 11/07 (2006.01) A61M 16/20 (2006.01)

Patent

CA 2560546

The invention concerns a fluid dispensing and regulating valve comprising a valve body (1) defining at least two pairs of chambers connectable each to an external fluid circuit (23B), and a mobile structure forming a slide valve (2) mobile through control means (14) and forming an internal through channel defining, at one end, an inner door (15) of reduced extension co-operating with a piston head (16) and mobile beyond, on either side, of said head in extreme positions of the mobile structure to communicate the internal channel with an end chamber (18B) of the valve body (1). The invention is useful in combination with a PSA adsorber system (23B), for supplying oxygen-enriched air to at least one aircraft passenger.

La valve de distribution et de régulation de fluide comprend un corps de valve (1) définissant au moins deux paires de chambres connectables chacune à un circuit de fluide extérieur (23B), et une structure mobile formant tiroir (2) déplaçable par des moyens de commande (14) et formant un passage intérieur traversant définissant, à une extrémité, une portée intérieure (15) d'extension réduite coopérant avec une tête de piston (16) et déplaçable au- delà, de part et d'autre, de cette tête dans des positions extrêmes de la structure mobile pour mettre en communication le passage intérieur avec une chambre d'extrémité (18B) du corps de valve (1). Utilisation, en association avec un système adsorbeur PSA (23B), à la fourniture d'air enrichi en oxygène à au moins un occupant d'un aéronef.

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