Sleeve valves include a valve body having an inner surface and outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet; a sleeve disposed at least partially within the body cavity, the sleeve including at least one openi
Sleeve valves include a valve body having an inner surface and outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet; a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting the inlet to the outlet; a gate proximate to the sleeve and movable over a portion of the sleeve including the at least one opening, the gate including at least one front stop and at least one back stop connected to the gate; and a drive assembly including at least one drive line having a drive shaft and a sync cam, the sync cam of each at least one drive line movably positioned on the drive shaft and between one of the at least one front stop and one of the at least one back stop.
대표청구항▼
1. A sleeve valve comprising: a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet;a sleeve disposed at least partially within the body cavity, the sleeve including at least
1. A sleeve valve comprising: a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet;a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting the inlet to the outlet;a gate proximate to the sleeve and movable over a portion of the sleeve including the at least one opening, the gate including at least one front stop and at least one back stop connected to the gate;a drive assembly including at least one drive line having a drive shaft and a sync cam, the sync cam of each at least one drive line movably positioned on the drive shaft and between one of the at least one front stop and one of the at least one back stop; andat least one load balancing mechanism. 2. The sleeve valve of claim 1, wherein the sync cam includes two lobes, each lobe extending from the sync cam a distance longer than a distance between the drive shaft and an outer surface of the gate. 3. The sleeve valve of claim 1, wherein a thickness of the sync cam is less than a distance between the back stop and the front stop. 4. The sleeve valve of claim 1, wherein the at least one load balancing mechanism includes at least one forward direction load balancing mechanism in the drive assembly. 5. The sleeve valve of claim 4, wherein the sync cam includes the at least one forward direction load balancing mechanism. 6. The sleeve valve of claim 4, wherein the at least one forward direction load balancing mechanism of the drive assembly comprises at least one forward direction load balancing screw. 7. The sleeve valve of claim 4, wherein the at least one forward direction load balancing mechanism of the drive assembly comprises two forward direction load balancing screws. 8. The sleeve valve of claim 1, wherein the at least one load balancing mechanism includes at least one backward direction load balancing mechanism. 9. The sleeve valve of claim 8, wherein the at least one backward direction load balancing mechanism comprises at least one backward direction load balancing screw coupled to the at least one back stop. 10. The sleeve valve of claim 8, wherein the at least one backward direction load balancing mechanism comprises two backward direction load balancing screws coupled to the at least one back stop. 11. The sleeve valve of claim 1, wherein the gate further includes at least one adjustment plate between the at least one back stop and the at least one front stop. 12. The sleeve valve of claim 1, wherein two back stops and two front stops are coupled to the gate and wherein the at least one drive line is two drive lines. 13. The sleeve valve of claim 12, wherein each drive line is positioned on opposite sides of the gate. 14. The sleeve valve of claim 1, wherein the at least one back stop and the at least one front stop are formed on the gate. 15. The sleeve valve of claim 1, wherein the front stop is a front stop plate and the back stop is a back stop plate. 16. A method of syncing a sleeve valve comprising: accessing a sleeve valve including a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet;a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting the inlet to the outlet;a gate proximate to the sleeve and moveable over a portion of the sleeve including the at least one opening, the gate including at least two front stops and at least two back stops; anda drive assembly including a pair of drive lines, each drive line including a drive shaft and a sync cam, the sync cam of each drive line movably positioned between each at least two front stops and each at least two back stops;moving the gate to a front stop position, wherein the front stop position includes placing at least one sync cam in contact with at least one front stop;aligning each sync cam in the front stop position to contact at least one front stop;moving the gate to a back stop position, wherein the back stop position comprises placing at least one sync cam in contact with at least one back stop; andaligning each sync cam in the back stop position to contact at least one back stop. 17. The method of claim 16, wherein each drive line includes at least one forward direction load balancing screw and wherein aligning each sync cam in a front stop position comprises turning at least one forward direction load balancing screw. 18. The method of claim 17, wherein the sync cam of each drive line includes the at least one forward direction load balancing screw. 19. The method of claim 18, wherein each sync cam includes a first lobe and a second lobe, the first lobe of each sync cam including one forward direction load balancing screw and the second lobe of each sync cam including a second forward direction load balancing screw. 20. The method of claim 19, wherein turning a first forward direction load balancing screws in the first lobe of a first sync cam moves the first sync cam in a first direction along the drive shaft and wherein turning the second forward direction load balancing screw in a second lobe of the first sync cam moves the first sync cam in a second direction opposite to the first direction along the drive shaft. 21. The sleeve valve of claim 17, wherein each drive line includes two forward direction load balancing screws. 22. The method of claim 16, wherein each drive line includes at least two backward direction load balancing screws and wherein aligning each sync cam in the back stop position comprises turning at least one backward direction load balancing screw. 23. The sleeve valve of claim 22, wherein each at least two back stops includes two backward direction load balancing screws. 24. The method of claim 23, wherein each sync cam includes a first lobe and a second lobe;wherein the step of aligning each sync cam to the back stop position includes contacting at least one backward direction load balancing screw with one of the first lobe and the second lobe of at least one sync cam. 25. The method of claim 16, wherein a thickness of each sync cam is less than a distance between each back stop and each front stop. 26. A method of controlling the flow of a fluid in a pipe system comprising: controlling a sleeve valve in the pipe system, the sleeve valve including a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a body cavity between the inlet and the outlet;a sleeve disposed at least partially within the body cavity, the sleeve including at least one opening fluidly connecting the inlet to the outlet;a gate proximate to the sleeve, the gate including at least one front stop and at least one back stop;a drive assembly including at least one drive line, each at least one drive line including a drive shaft and a sync cam on the drive shaft, the sync cam of each at least one drive line movably positioned between one of the at least one front stop and one of the at least one back stop, a first gap defined between each at least one front stop and each sync cam, a second gap between each at least one back stop and each sync cam; andat least one load balancing mechanism;moving the at least one sync cam to a front stop position, wherein the front stop position reduces the first gap; andmoving the gate to uncover the at least one opening to allow fluid to flow from the inlet to the outlet. 27. The method of claim 26, wherein moving the gate over the sleeve includes moving the sync cam of each at least one drive line along the drive shaft of each at least one drive line. 28. The method of claim 26, wherein the first stop position includes contact between each sync cam and each front stop. 29. The method of claim 26, wherein each sync cam includes a first lobe and a second lobe, the first lobe and the second lobe each extending from the sync cam a distance longer than a distance between the drive shaft and an outer surface of the gate. 30. The method of claim 26, wherein the at least one load balancing mechanism includes at least one forward direction load balancing screw in each drive line. 31. The method of claim 26, wherein the at least one load balancing mechanism includes at least one backward direction load balancing screw in the gate. 32. The method of claim 26, wherein the gate further includes at least one adjustment plate between each of the at least one back stop and the at least one front stop. 33. The method of claim 26, wherein the gate includes two back stops and two front stops and wherein the at least one drive line includes two drive lines. 34. The method of claim 33, wherein each drive line is positioned on opposite sides of the gate. 35. The method of claim 26, further comprising: moving the at least one sync cam to a back stop position, wherein the back stop position reduces the second gap; andmoving the gate over the sleeve to cover the at least one opening to restrict fluid flow from the inlet to the outlet. 36. The method of claim 35, wherein moving the gate over the sleeve to cover the at least one opening includes moving the sync cam of each at least one drive line along the drive shaft of each at least one drive line.
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이 특허에 인용된 특허 (21)
Dunmire Charles W. (Fresno CA) Whitelaw Dennis G. (Hoosick Falls NY) Fields Richard D. (Templeton CA), Backflow preventor with adjustable cutflow direction.
Hartman Thomas A. (700 Capac Ct. St. Louis MO 63125), In-line sleeve valve having velocity guide pressure equalization and drive assembly with improved drive pin mountings.
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