초록 ▼

An apparatus and method for distributing a fluid. A fluid distribution device includes a flow chamber comprising an inlet and an outlet, an equalization chamber; and a diaphragm separating the flow chamber and the equalization chamber, wherein a valve positioned in a flow path between the flow chamb

An apparatus and method for distributing a fluid. A fluid distribution device includes a flow chamber comprising an inlet and an outlet, an equalization chamber; and a diaphragm separating the flow chamber and the equalization chamber, wherein a valve positioned in a flow path between the flow chamber inlet and the flow chamber outlet comprises a valve body coupled to the diaphragm.

대표청구항 ▼

1. A system comprising a plurality of fluid distribution devices comprising:a flow chamber comprising an inlet, a first outlet and a second outlet;an equalization chamber;a diaphragm separating the flow chamber and the equalization chamber;a valve positioned in a flow path between the flow chamber i

1. A system comprising a plurality of fluid distribution devices comprising:a flow chamber comprising an inlet, a first outlet and a second outlet;an equalization chamber;a diaphragm separating the flow chamber and the equalization chamber;a valve positioned in a flow path between the flow chamber inlet and the first flow chamber outlet; anda pressure equalization conduit in communication with the second flow chamber outlet and in communication with a second equalization chamber; wherein the first outlet of each device is in communication with a common vacuum source. 2. The system of claim 1 wherein the diaphragm is a rolling diaphragm. 3. The system of claim 1 wherein a first and a second fluid distribution device are joined by a connector. 4. The system of claim 1 wherein the inlet of each of at least two fluid distribution devices is in communication with a different fluid source. 5. The system of claim 4 wherein each of the different fluid sources is a sub-atmospheric fluid. 6. The system of claim 5 wherein the sub-atmospheric fluid is selected from chlorine, sulfur dioxide and ammonia. 7. A system comprising an odd number of fluid distribution devices, each device comprising:a flow chamber comprising an inlet, a first outlet and a second outlet;an equalization chamber;a diaphragm separating the flow chamber and the equalization chamber;a valve positioned in a flow path between the flow chamber inlet and the first flow chamber outlet; anda pressure equalization conduit in communication with the second flow chamber outlet and in communication with an equalization chamber of a second device. 8. The system of claim 7 wherein a first and a second fluid distribution device are joined by a connector. 9. A system comprising a plurality of fluid distribution devices comprising:a flow chamber comprising an inlet, a first outlet and a second outlet;an equalization chamber;a diaphragm separating the flow chamber and the equalization chamber;a valve positioned in a flow path between the flow chamber inlet and the first flow chamber outlet; anda pressure equalization conduit in communication with the second flow chamber outlet and in communication with a second equalization chamber, wherein the inlet of each of the devices is in communication with a different fluid source. 10. The system of claim 9 wherein the fluid source is a sub-atmospheric fluid. 11. The system of claim 10 wherein the sub-atmospheric fluid is selected from the group consisting of chlorine, sulfur dioxide and ammonia. 12. The system of claim 9 wherein a first and a second fluid distribution device are joined by a connector. 13. A system comprising at least two fluid distribution devices, each device comprising:a flow chamber having an inlet and an outlet;an equalization chamber in fluid communication with the flow chamber of at least one other device;a valve including a valve body paired with a single valve orifice, the valve positioned in a flow path between the inlet and the outlet and configured to operate independently of the valve of the at least one device; andwherein the outlet of each of the devices is in communication with a common vacuum source. 14. The system of claim 13 wherein the first and second devices are joined by a connector. 15. The system of claim 13 wherein the fluid source is a sub-atmospheric fluid. 16. The system of claim 15 wherein the sub-atmospheric fluid is selected from the group consisting of chlorine, sulfur dioxide and ammonia. 17. The system of claim 13 wherein each device further comprises a diaphragm separating the flow chamber and the equalization chamber. 18. The system of claim 17 wherein the diaphragm is a rolling diaphragm. 19. A system comprising at least two fluid distribution devices, each device comprising:a flow chamber having an inlet and an outlet;an equalization chamber in fluid communication with the flow chamber of at least one other device;a valve including a valve body paired with a single valve orifice, the valv e positioned in a flow path between the inlet and the outlet and configured to operate independently of the valve of the at least one other device; andwherein the system comprises an odd number of devices.