Pressure regulator

F - Mech Eng,Light,Heat,Weapons – 02 – M

Patent

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Details

F02M 21/02 (2006.01) F16K 31/122 (2006.01) G05D 16/10 (2006.01)

Patent

CA 2674864

A fluid pressure regulator comprising regulation chamber means (9) in which a piston (18) is received, in said regulation chamber means (9), a first chamber (10) and a second chamber (11) being defined by opposite parts of said piston (18), said first chamber (10) and said second chamber (11) comprise respectively a first inlet (12) and a second inlet (13) for said fluid, said first inlet (12) and said second inlet (13) being connected to a first environment (2) at a first pressure (PIN), said first chamber (10) and said second chamber (11) comprising respectively a first outlet (14) and a second outlet (15) for said fluid, said first outlet (14) and said second outlet (15) being connected to a second environment (23) at a second pressure (POUT), said piston (18) being movable in said regulation chamber means (9) in response to a variation of pressure of said fluid in said first chamber (10) to open/close said second outlet (15) to regulate said second pressure (POUT), said fluid pressure regulator comprising valve means (26) to open/close said first outlet (14) to induce said pressure variation in said first chamber (10).

Un régulateur de pression de fluide comprenant des moyens de chambre de régulation (9) dans lesquels un piston (18) est reçu. Dans lesdits moyens de chambre de régulation (9), une première chambre (10) et une seconde chambre (11) sont définies par des parties opposées dudit piston (18), ladite première chambre (10) et ladite seconde chambre (11) comprenant respectivement une première entrée (12) et une seconde entrée (13) pour ledit fluide, ladite première entrée (12) et ladite seconde entrée (13) étant reliées à un premier environnement (2) à une première pression (PIN). Selon l'invention, ladite première chambre (10) et ladite seconde chambre (11) comprennent respectivement une première sortie (14) et une seconde sortie (15) pour ledit fluide, ladite première sortie (14) et ladite seconde sortie (15) étant reliées à un second environnement (23) à une seconde pression (POUT). Selon l'invention, ledit piston (18) est déplaçable dans lesdits moyens de chambre de régulation (9) en réponse à une variation de pression dudit fluide dans ladite première chambre (10) pour ouvrir/fermer ladite seconde sortie (15) pour réguler ladite seconde pression (POUT). Selon l'invention, ledit régulateur de pression de fluide comprend des moyens de soupape (26) pour ouvrir/fermer ladite première sortie (14) pour induire ladite variation de pression dans ladite première chambre (10).

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