F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 7/16 (2006.01) F16K 11/02 (2006.01) F16K 11/20 (2006.01)
Patent
CA 2303191
A housing of diaphragm valve has two valve chambers (11, 12). A central channel (21, 22) opens in each valve chamber and has an external connection (B, D). On each side of the central channels there are first ( 17, 19) and second side channels (18, 20) having an external connection (A, C). Each valve chamber has two valve scale (13, 14, 15, 16). Diaphragms (23, 24) am arranged to seal against the valve seats. Control means (25, 26) are arranged to press portions of the diaphragms (23, 24) against one valve seat each, thereby shutting passage between a central channel and a side channel, and to raise portions of the diaphragms off the valve seats, thereby to open passage between a central channel and a side channel. The first side channels (17, 19) are interconnected and both are connected to a common external connection (A), and the second aide channels (18, 20) are interconnected and both are connected to a common external connection (C).
L'invention concerne un logement pour un robinet à membrane, ce logement étant constitué de deux chambres (11, 12). Un canal central (21, 22) s'ouvre à l'intérieur de chacune de ces chambres et présente un raccord extérieur (B, D). Chacun des cotés dudit canal central présente des premiers (17, 19) et seconds (18, 20) canaux latéraux, pourvus d'un raccord extérieur, chaque chambre comprenant deux sièges (13, 14, 15, 16). Des membranes (23, 24) sont en outre disposées de manière à reposer sur ces sièges. Des organes de régulation (25, 26) permettent que des parties de ces membranes (23, 24) s'appuient chacune sur un siège, ce qui obstrue le passage entre le canal central et l'un des canaux latéraux, et soulève les parties du diaphragme desdits sièges, ouvrant ainsi le passage entre les canaux central et latéral. Les premiers canaux latéraux (17, 19) sont interconnectés et reliés à un raccord extérieur commun (A), les seconds canaux latéraux (18, 20) étant également interconnectés et reliés à un raccord extérieur commun (C).
Buerkert Werke Gmbh & Co. Kg
Kirby Eades Gale Baker
Robovalve Ab
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