A valve comprising a valve body with a fluid inlet, a fluid outlet, an inner cavity and an outer cavity at least partly surrounding the inner cavity. The outer cavity is in fluid communication with the fluid inlet and with the inner cavity and the inner cavity is in fluid communication with the flui
A valve comprising a valve body with a fluid inlet, a fluid outlet, an inner cavity and an outer cavity at least partly surrounding the inner cavity. The outer cavity is in fluid communication with the fluid inlet and with the inner cavity and the inner cavity is in fluid communication with the fluid outlet. A flow splitter is provided, forming at least two flow passages in the outer cavity.
대표청구항▼
1. A valve comprising: a valve body comprising: an inner cavity;an outer cavity at least partly surrounding the inner cavity;a fluid inlet; anda fluid outlet,wherein the outer cavity is in fluid communication with the fluid inlet and with the inner cavity; and wherein the inner cavity is in fluid co
1. A valve comprising: a valve body comprising: an inner cavity;an outer cavity at least partly surrounding the inner cavity;a fluid inlet; anda fluid outlet,wherein the outer cavity is in fluid communication with the fluid inlet and with the inner cavity; and wherein the inner cavity is in fluid communication with the fluid outlet;a plug moveably arranged in the inner cavity;at least one flow splitter arranged in the outer cavity extending from the fluid inlet to the inner cavity and forming in the outer cavity at least two flow passages extending from the fluid inlet to the inner cavity; andan aperture placing the inner cavity in fluid communication with the outer cavity. 2. The valve according to claim 1, the aperture is configured to be selectively opened and closed by the plug. 3. The valve according to claim 1, wherein the flow splitter extends across the fluid inlet, dividing the fluid inlet in at least two ports in fluid communication with the outer cavity. 4. The valve according to claim 3, wherein the at least two ports are substantially symmetrical with respect to the flow splitter. 5. The valve according to claim 1, wherein the inner cavity is substantially symmetrical about a center line. 6. The valve according to claim 1, wherein the valve body comprises an inner wall surrounding the inner cavity and an outer wall at least partly surrounding the inner wall; the outer wall and the inner wall defining the outer cavity there between. 7. The valve according to claim 6, wherein the inner wall forms a flow outlet channel extending from the inner cavity to an outlet flange. 8. The valve according to claim 6, wherein the outer wall forms an inlet flange. 9. The valve according to claim 7, wherein the inlet flange and the outlet flange are substantially coaxial. 10. The valve according to claim 9, wherein the inner cavity has an axis substantially orthogonal to a common axis of the outlet flange and said the inlet flange. 11. The valve according to claim 6, wherein the flow splitter comprises a first projection extending from the inner wall and facing the fluid inlet; anda second projection extending from the outer wall and facing the fluid inner wall. 12. The valve according to claim 11, wherein the second projection is arranged opposite the aperture placing said the inner cavity in fluid communication with the outer cavity, the aperture being provided in the inner wall surrounding the inner cavity of the valve. 13. The valve according to claim 11, wherein the first projection merges in the second projection thus forming a continuous body. 14. The valve according to claim 1, wherein at least one secondary flow splitter is arranged in each flow passage in the outer cavity. 15. The valve according to claim 14, wherein each secondary flow splitter extends from the inner wall to the outer wall across a width of the respective flow passage in the outer cavity. 16. The valve according to claim 14, wherein each secondary flow splitter is curved and extends from a leading inlet edge, facing the fluid inlet, towards a trailing edge facing a bottom of the outer cavity. 17. The valve according to claim 1, wherein the inner cavity is defined by at least a first end, a second end opposing the first end, and a side portion extending between the first end and the second end, and one of the first end and the second end comprises the aperture in fluid communication with the outer cavity, and the other of the first end and the second end comprising a bonnet with a through passage for a plug stem passing there through. 18. The valve according to claim 17, wherein the side portion has a port fluidly connecting said the inner cavity to the fluid outlet. 19. The valve according to claim 1, further comprising a throttling cage at least partly arranged in the inner cavity, the plug being movably arranged in the throttling cage. 20. The valve according to claim 1, wherein the plug co-acts with a closure seat to selectively opening or closing the valve, and wherein the closure seat is arranged between the outer cavity and a center line of the fluid outlet. 21. The valve according to claim 20, wherein a distance between the closure seat and the outer cavity is smaller than a distance between the closure seat and the center line of the fluid outlet. 22. The valve according to claim 1, wherein each one of the two flow passages formed by the at least one flow-splitter in the outer cavity has an elongated cross section. 23. The valve according to claim 22, wherein the elongated cross section has a minimum dimension and a maximum dimension, the ratio between the minimum dimension and the maximum dimension being less than 0.7.
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이 특허에 인용된 특허 (5)
Seger Fritz O. (Mission Viejo CA), Anti-cavitation valve.
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