F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 7/17 (2006.01) F16K 7/16 (2006.01) F16K 11/20 (2006.01)
Patent
CA 2284637
A diaphragm valve including a valve housing having at least three ports and at least two valve chambers provided in the valve housing. Each valve chamber has at least one first space communicating with a respective one of said ports and a second space separated from said first space by a threshold. The second space of each valve chamber communicates only with the second space of others of said at least two valve chambers, such that communication between any two of said at least two ports can take place only by passing across two thresholds.
Cette invention se rapporte à une vanne à membrane comportant un logement (30) pourvu d'au moins trois orifices d'accès et d'au moins deux chambres (31, 32) disposées à l'intérieur du logement. Chacune des chambres de la vanne possède au moins un premier espace (39) en communication avec un orifice d'accès respectif (D') et un second espace (41, 42) séparé dudit premier espace par un seuil (33, 38). Le second espace (41, 42) de chaque chambre (31, 32) de la vanne communique (par l'intermédiaire de 43) uniquement avec le second espace (42, 41) des deux autres chambres, de sorte que la communication entre deux quelconques desdits orifices d'accès ne peut se faire que par passage à travers les seuils (33, 38).
Buerkert Werke Gmbh
Kirby Eades Gale Baker
Robovalve Ab
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