Apparatus and method for increased purge velocity in specialty gas systems
US-2019287821-A1 · Sep 19, 2019 · US
US10328398B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10328398-B2 |
| Application number | US-201715483465-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 10, 2017 |
| Priority date | Jan 12, 2001 |
| Publication date | Jun 25, 2019 |
| Grant date | Jun 25, 2019 |
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A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentration of the chemical concentrate. The dispenser has a high degree of accuracy of the amount of dilution of the chemical concentrate as well as positive positioning of the high and low flow rate.
Opening claim text (preview).
What is claimed is: 1. A dispenser comprising: a body including a bore and an inlet fluidly coupled to the bore and adapted to be connected to a source of pressurized water; an eductor at least partially disposed in the bore and defining a fluid passage, the eductor slidable relative to the body to provide control of different flow rates of a mixture of water and chemical concentrate from the fluid passage to an outlet; a product passage connected between the container and the body to selectively provide chemical concentrate to the fluid passage; a nozzle fluidly coupled to the eductor; and a spout fluidly coupled to the nozzle and configured to discharge the water and chemical concentrate to a reservoir, the spout positioned below the nozzle and extending generally downward from the nozzle such that the mixture of water and chemical concentrate is configured to discharge in the generally downward direction. 2. The dispenser of claim 1 , further comprising a tube interconnecting the nozzle and the spout. 3. The dispenser of claim 2 , wherein a key is formed on one of the body and the eductor and a keyway configured to receive the key is formed in the other of the body and the eductor, and wherein the key and the keyway are aligned with an axial direction of the bore. 4. The dispenser of claim 1 , wherein the eductor is rotatable to different positions relative to the body to provide a first concentration of chemical concentrate and a second concentration of chemical concentrate that is different from the first concentration. 5. The dispenser of claim 1 , wherein the eductor includes a first eductor part and a second eductor part, and wherein the second eductor part is slidable relative to the body to provide control of different flow rates of water and chemical concentrate from the fluid passage to the outlet. 6. The dispenser of claim 1 , further comprising a vent passage connectable to the container and configured to vent the container in response to discharge of chemical concentrate through the product passage. 7. The dispenser of claim 6 , wherein at least a portion of the vent passage is substantially parallel to the product passage. 8. A dispenser comprising: a body including a bore and an inlet fluidly coupled to the bore and adapted to be connected to a source of pressurized water; an eductor at least partially disposed in the bore and defining a fluid passage, the eductor configured to control one or more flow rates of water and chemical concentrate through an outlet of the dispenser; a product passage connected between the container and the body to selectively provide chemical concentrate to the fluid passage; a nozzle fluidly coupled to the eductor; and a spout fluidly coupled to the nozzle by a flexible tube and configured to discharge the water and chemical concentrate to a reservoir. 9. The dispenser of claim 8 , further comprising a container connector attachable to the container to couple the body to the container, and wherein one or both of the body and the container connector structurally support the spout separate from the nozzle. 10. The dispenser of claim 9 , wherein the spout and the container connector are spaced apart from each other and configured to engage a bucket and at least partially support the dispenser while engaged with the bucket. 11. The dispenser of claim 8 , wherein the eductor is configured to move relative to the body to control different flow rates of water and chemical concentrate from the fluid passage to the outlet. 12. The dispenser of claim 11 , wherein the flexible tube permits movement of the eductor inward and outward relative to the body. 13. The dispenser of claim 8 , wherein the eductor is movable to different positions relative to the body to provide a first concentration of chemical concentrate and a second concentration of chemical concentrate that is different from the first concentration. 14. The dispenser of claim 8 , further comprising a vent passage connectable to the container and configured to vent the container in response to discharge of chemical concentrate through the product passage. 15. A dispenser comprising: a body including a bore and an inlet fluidly coupled to the bore and adapted to be connected to a source of pressurized water; an eductor at least partially disposed in the bore and defining a fluid passage, the eductor configured to control one or more flow rates of water and chemical concentrate through an outlet of the dispenser; a product passage connected between the container and the body to selectively provide chemical concentrate to the fluid passage; a container connector attachable to the container to couple the body to the container; a nozzle coupled to the body to receive fluid from the eductor and to change the direction of fluid flow toward a generally downward direction; and a spout fluidly coupled to the eductor and configured to discharge the water and chemical concentrate to a reservoir, wherein the spout is structurally supported by one or both of the body and the container connector to orient the spout in a generally downward direction. 16. The dispenser of claim 15 , further comprising a tube fluidly interconnecting the eductor and the spout. 17. The dispenser of claim 16 , wherein the spout is configured to dispense the water and chemical concentrate in the generally downward direction, and wherein the tube is detachable from the spout such that the water and chemical concentrate is dispensable from the body generally along a longitudinal axis of the bore. 18. The dispenser of claim 16 , wherein the tube is flexible to permit movement of the eductor relative to the body to control different flow rates of water and chemical concentrate discharged from the outlet.
designed to control volume of flow, e.g. with adjustable passages · CPC title
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
the carried liquid and the main stream of carrying liquid being brought together downstream of the container before discharge (B05B7/2454 takes precedence) · CPC title
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