Stacked membrane for pressure actuated valve

Details Stacked membrane for pressure actuated valve Stacked membrane for pressure actuated valve

A - Human Necessities

61

M

A61M 39/02 (2006.01) A61M 39/24 (2006.01) F16K 17/18 (2006.01)

Patent

CA 2553331

A pressure activated valve comprises a housing having a lumen extending therethrough . A flow control membrane extending across the lumen includes a mounting portion at which the flow control membrane is coupled to the housing and a lumen occluding portion having a slit extending therethrough . When the lumen-occluding portion is subjected to a pressure of at least a predetermined level, the lumen-occluding portion moves from a closed configuration preventing flow through the lumen to an open configuration permitting flow. A thickness of the mounting portion is greater than a thickness of the lumen- occluding portion.

L'invention concerne un clapet activé par pression comprenant un logement doté d'une lumière. Une membrane de commande d'écoulement s'étendant sur ladite lumière comprend une partie de montage au niveau de laquelle ladite membrane de commande d'écoulement est couplée au logement, et une partie d'occlusion de lumière comprenant une fente s'étendant à travers ladite partie. Lorsque la partie d'occlusion de lumière est soumise à une pression d'au moins un niveau prédéterminé, ladite partie se déplace d'une configuration fermée empêchant l'écoulement à travers la lumière à une configuration ouverte permettant l'écoulement. L'épaisseur de la partie de montage est supérieure à l'épaisseur de la partie d'occlusion de lumière.

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