Vacuum actuated valve

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

Patent

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Details

F16K 15/14 (2006.01) A47G 21/18 (2006.01) A61J 1/05 (2006.01) A61J 15/00 (2006.01) A61M 39/22 (2006.01) A61M 39/24 (2006.01) B65D 47/20 (2006.01) F16K 7/17 (2006.01) F16K 15/02 (2006.01) F16K 15/03 (2006.01)

Patent

CA 2450461

A vacuum demand valve (10) is capable of delivering a flowable material. The valve (10) has a housing (11) having a proximal end (14), a distal end (16), an intermediate segment (18) therebetween defining a passageway (24) wherein the flowable substance can flow from the proximal end (14) to the distal end (16). The housing (11) can be tubing. A valve member (20) is located along the intermediate segment (18). The valve member (20) has a closed condition wherein the flowable material from the proximal end (14) to the distal end (16) is stopped and an open condition wherein the flow of the flowable material from the proximal end (14) to the distal end (16) is unstopped. The valve member (20) is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway (24) for placing the valve member (20) in the open condition.

L'invention concerne une soupape de dépression à la demande (10) capable de distribuer une matière fluide. Cette soupape (10) comporte un logement (11) pourvu d'une extrémité proximale (14), d'une extrémité distale (16), d'un segment intermédiaire (18), situé entre les deux extrémités, qui définit un passage (24) dans lequel la substance fluide peut s'écouler de l'extrémité proximale (14) à l'extrémité distale (16). Ce logement (11) peut être un tube. Un élément de soupape (20) est situé le long du segment intermédiaire (18). L'élément de soupape (20) présente une position fermée, dans laquelle la matière fluide qui s'écoule de l'extrémité proximale (14) à l'extrémité distale (16) est stoppée, et une position une fermée, dans laquelle l'écoulement de matière fluide de l'extrémité proximale (14) à l'extrémité distale (16) n'est pas stoppé. L'élément de soupape (20), qui est sollicité vers la position fermée, est sensible à un vide partiel créé par l'utilisateur à travers le passage (24) afin de placer l'élément de soupape (20) en position ouverte.

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