A bottle aerator of the type having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, such that the fluid pressure is lower in the constricted section compared to the pressure in the fluid inlet secti
A bottle aerator of the type having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, such that the fluid pressure is lower in the constricted section compared to the pressure in the fluid inlet section, and the fluid speed is higher in the constricted section compared to the fluid speed in the fluid inlet section, which is improved by the constricted section being constructed and arranged so that when the bottle aerator is inserted into a bottle, the constricted section is positioned inside the bottle. The air inlet is provided at or below the constricted section, which allows air from outside the bottle to mix with the fluid as it passes through the constricted section, so that the fluid is aerated while still inside the bottle.
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1. A bottle aerator having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, and further including a liquid outlet section having a wider cross-section than the constricted section, such that the flui
1. A bottle aerator having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, and further including a liquid outlet section having a wider cross-section than the constricted section, such that the fluid pressure is lower in the constricted section compared to the pressure in the fluid inlet section, and the fluid speed is higher in the constricted section compared to the fluid speed in the fluid inlet section, the venturi tube constructed and arranged to be removably engaged to a bottle to form a liquid seal and for incorporating ambient air into a liquid stream as the liquid is poured from the bottle, the improvement comprising: the constricted section being constructed and arranged so that when the bottle aerator is inserted into the bottle, the constricted section is positioned inside the bottle,further including at least one air tube extension located alongside the venturi tube, the at least one air tube extension is in fluid communication with air outside the bottle, the air tube extension having an air outlet opening into the interior of the bottle,the venturi tube further including at least one air outlet which is provided at or below the constricted section, the lower pressure in the constricted section creating a partial vacuum which pulls air from outside the bottle to mix with the fluid before it passes through the constricted section, so that the fluid is aerated while still inside the bottle. 2. A bottle aerator having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, such that the fluid pressure is lower in the constricted section compared to the pressure in the fluid inlet section, and the fluid speed is higher in the constricted section compared to the fluid speed in the fluid inlet section, the improvement comprising: providing at least one air outlet into the venturi tube, which is located inside the bottle, the lower pressure in the constricted section creating a partial vacuum which pulls air from outside the bottle to mix with the fluid as it passes through the constricted section,partially obstructing the air outlet opening to create a smaller air outlet opening, which speeds up the fluid pouring flow rate, wherein the partial obstruction is created by sliding an extension over the air outlet, to narrow the size of the air outlet, whereby the fluid pouring flow rate speeds up. 3. The bottle aerator of claim 2 wherein the constricted section is constructed and arranged so that when the bottle aerator is inserted into a bottle, the constricted section is positioned inside the bottle, so that the fluid is aerated while still inside the bottle. 4. A bottle aerator comprising: a venturi tube having a constricted section, and top and bottom sections having a wider cross-section than the constricted section;the venturi tube being removably engaged to a bottle, for pouring a fluid from the bottle;the constricted section and bottom section of the venturi tube being positioned inside the bottle when the bottle aerator is removably engaged to a bottle;the bottom section of the venturi tube having a fluid inlet to allow the fluid to enter the venturi tube as it is poured from a bottle, the fluid flowing faster as it passes through the constricted section;the top section of the venturi tube forming a pouring spout;the venturi tube having an air inlet channel which allows air to pass from outside the bottle and at least one air outlet which allows the air to enter the venturi tube either at the constricted section or below the constricted section, the venturi tube creating a partial vacuum which pulls air from outside the bottle into the venturi tube to aerate the fluid as it passes through the constricted section as it is being poured out of the bottlean elastic sleeve which fits around at least the part of the venturi tube contacting an opening in the bottle, to provide a seal when the bottle aerator is removably engaged to the bottlefurther including an air tube extension which is connected to air inlet channel at the bottom of the venturi tube and which is in fluid communication with the air inlet channel, which extends downwardly below the fluid inlet of the bottom section and which has a lower air outlet, andwherein the air tube extension is spaced an adjustable distance below the fluid inlet to the venturi tube, the adjustable distance changing the rate at which the fluid pours out of the bottle aerator. 5. The bottle aerator of claim 4 wherein the air tube extension is spaced a predetermined distance below the fluid inlet to the venturi tube. 6. The bottle aerator of claim 4 wherein the predetermined distance is approximately 2 mm from the fluid inlet. 7. The bottle aerator of claim 6 wherein the diameter of constricted section is approximately 5.5 mm. 8. The bottle aerator of claim 7 wherein the bottom section of the venturi tube tapers at a 30° angle from its wider cross-section to the constricted section. 9. The bottle aerator of claim 6 wherein the air tube extension is constructed and arranged to partially restrict the flow of fluid into the fluid inlet of the venturi tube. 10. The bottle aerator of claim 6 wherein the fluid inlet is partially obstructed, so that the cross-section of the flow path below the fluid inlet is wider than the cross-section of the flow path at the partial obstruction, and the cross-section of the flow path above the fluid inlet is wider than the cross-section of the flow path at the partial obstruction and also wider than the cross-section at the constricted section. 11. The bottle aerator of claim 4 wherein the fluid inlet is partially obstructed, so that the cross-section of the flow path below the fluid inlet is wider than the cross-section of the flow path at the partial obstruction, and the cross-section of the flow path above the fluid inlet is wider than the cross-section of the flow path at the partial obstruction and also wider than the cross-section at the constricted section. 12. The bottle aerator of claim 4 wherein the at least one air outlet is positioned to a side of the air channel, and at least one side channel allows air to flow from the air channel to the at least one air outlet. 13. The bottle aerator of claim 4 wherein the at least one air outlet is connected to the constriction section. 14. The bottle aerator of claim 4 wherein the at least one air outlet is connected to the bottom section. 15. The bottle aerator of claim 4 wherein the at least one air outlet is below the bottom section, and air is allowed to pass into the fluid inlet, along with fluid. 16. The bottle aerator of claim 4 further including an additional venturi tube attached to the pouring end of the bottle aerator, to further mix and re-aerate the fluid with the air already entrained in the fluid. 17. The bottle aerator of claim 4 further including a flow restrictor which limits the flow of fluid into the fluid inlet. 18. An improved bottle aerator having a venturi tube with its constriction section positioned outside the bottle, and with an air extension tube with an air outlet extending into the bottle, the improvement comprising: partially obstructing the air outlet opening to create a smaller air outlet opening, which speeds up the fluid pouring flow rate, wherein the partial obstruction is created by sliding an extension over the air outlet, to narrow the size of the air outlet, whereby the fluid pouring flow rate speeds up. 19. A bottle aerator having a venturi tube having a constricted section with a narrower cross-sectional section and a fluid inlet section having a wider cross-sectional section, and further including a liquid outlet section having a wider cross-section than the constricted section, such that the fluid pressure is lower in the constricted section compared to the pressure in the fluid inlet section, and the fluid speed is higher in the constricted section compared to the fluid speed in the fluid inlet section, the venturi tube constructed and arranged to be removably engaged to a bottle to form a liquid seal and for incorporating ambient air into a liquid stream as the liquid is poured from the bottle, the improvement comprising: the constricted section being constructed and arranged so that when the bottle aerator is inserted into the bottle, the constricted section is positioned inside the bottle,further including at least one air tube extension located alongside the venturi tube, the at least one air tube extension is in fluid communication with air outside the bottle, the air tube extension having an air outlet opening into the interior of the bottle,further including at least one air outlet opening, located below and upstream from the fluid inlet of the venturi tube, near but not emanating from the venturi tube, and the at least one air outlet opening is in fluid communication with air outside the bottle the lower pressure in the constricted section creating a partial vacuum which pulls air from outside the bottle to mix with the fluid before it passes through the fluid inlet and constricted sections for further mixing. 20. The bottle aerator of claim 19 wherein the at least one air outlet opening is movable. 21. A bottle-top aerator having a channel through which fluid is poured from a bottle, the channel comprised of a fluid inlet section, a constricted section, and a fluid outlet section, the fluid inlet section and the fluid outlet section having a greater cross-sectional area than the cross-sectional area of the constricted section such that when fluid passes through the channel the fluid pressure is lower in the constricted area compared to the pressure in the fluid inlet section, and the fluid speed is higher in the constricted section compared to the fluid speed in the fluid inlet section, the channel constructed and arranged to be removably engaged to a bottle to form a liquid seal and for incorporating ambient air into a fluid stream as fluid is poured from the bottle, the improvement comprising: the constricted section being constructed and arranged so that when the bottle aerator is inserted into the bottle, the constricted section is positioned inside the bottle,further including at least one air tube extension located alongside the channel, the at least one air tube extension being in fluid communication with air outside the bottle, the air tube extension having an air outlet opening into the interior of the bottle,further including at least one air outlet which is in fluid communication with air outside the bottle, the at least one air outlet provided below or upstream from the constricted section, the lower pressure in the constricted section creating a partial vacuum which pulls air from outside the bottle through the at least one air outlet to mix with the fluid before and as it passes through the constricted section and the fluid outlet section. 22. The bottle aerator of claim 21 wherein the at least one air outlet opening is movable.
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