Claims
- 1. An apparatus for generating a low pressure region, comprising:an outer shroud for encompassing said apparatus; fan means for generating a first air flow; flow straightening means aligned with said air flow to eliminate any rotational components thereof, thereby yielding a second air flow; and shroud means having an inner and outer perimeter in accordance with said outer shroud, further aligned concentrically with said fan means and said flow straightening means, such that said second air flow follows a circumferential path around said shroud means; wherein said second air flow, after following said path substantially becomes a toroidal vortex and thereby induces a low pressure region.
- 2. An apparatus according to claim 1 wherein said toroidal vortex forms a fluidic seal with a surface.
- 3. An apparatus according to claim 1 wherein said fan means are powered by a motor.
- 4. An apparatus according to claim 1 wherein said fan means are powered by a motor, said motor positioned between said fan means and an attracting surface.
- 5. An apparatus according to claim 1 wherein said fan means are powered by a motor, said motor positioned between said fan means and said outer shroud.
- 6. An apparatus according to claim 1 wherein said fan means comprises a multi-stage pump.
- 7. An apparatus according to claim 1 wherein said apparatus further comprises sealing means, said sealing means coupled to said toroidal vortex for preventing the escape of fluid from said vortex attraction means.
- 8. An apparatus according to claim 1 wherein said apparatus further comprises sealing means, said sealing means coupled to said toroidal vortex for preventing the escape of fluid from said vortex attraction means; said seal maintaining the position of said device against said surface.
- 9. An apparatus for generating a low pressure region for attracting itself toward a surface by providing a toroidal and cylindrical vortex comprising:an outer shroud for encompassing said apparatus; fan means for generating a fluid flow; shroud means having an inner and outer perimeter in accordance with said outer shroud, further aligned concentrically with said fan means such that said fluid flow follows a circumferential path around said shroud means; wherein said fluid flow, after following said path substantially generates a toroidal vortex which is supplemented by a cylindrical vortex whose flow is imparted by said fan means; further wherein said toroidal vortex and said cylindrical vortex induce a low pressure region.
- 10. An apparatus according to claim 9 wherein said fan means further comprise concentrically placed blades.
- 11. An apparatus according to claim 9 wherein said fan means comprise a plurality of sets of concentrically placed blades.
- 12. An apparatus according to claim 9 wherein said shroud means further comprises concentrically placed vanes.
- 13. An apparatus according to claim 9 wherein said fan means are powered by a motor.
- 14. An apparatus according to claim 9 wherein said fan means are powered by a motor, said motor positioned between said fan means and an attracting surface.
- 15. An apparatus according to claim 9 wherein said fan means are powered by a motor, said motor positioned outside of said low pressure region.
- 16. An apparatus according to claim 9 wherein said apparatus further comprises a responsive control system that senses environmental changes which effect the required speed of said fan means and accordingly adjusts the speed of said fan means.
- 17. An apparatus according to claim 9 wherein said fan means comprises a multi-stage pump.
- 18. An apparatus according to claim 9 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus.
- 19. An apparatus according to claim 9 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus, wherein the seal resulting therefrom maintains the position of said apparatus relative to said surface.
- 20. An apparatus for generating a low pressure region, comprising:an outer shroud for encompassing said apparatus; fan means for generating a first fluid flow; flow straightening means aligned with said fluid flow to eliminate any rotational components thereof, thereby yielding a second fluid flow; and shroud means having an inner and outer perimeter in accordance with said outer shroud, further aligned concentrically with said fan means and said flow straightening means, such that said second, fluid flow follows a circumferential path around said shroud means; wherein said second fluid flow, after following said path substantially becomes a toroidal vortex and thereby induces a low pressure region.
- 21. An apparatus according to claim 20 wherein said outer shroud forms a fluidic seal with an attracting surface.
- 22. An apparatus according to claim 20 wherein said fan means are powered by a motor.
- 23. An apparatus according to claim 20 wherein said fan means are powered by a motor, said motor positioned between said fan means and an attracting surface.
- 24. An apparatus according to claim 20 wherein said fan means are powered by a motor, said motor positioned between said fan means and said outer shroud.
- 25. An apparatus according to claim 20 wherein said fan means comprise a fan blade support of a spider form to allow passage of said fluid.
- 26. An apparatus according to claim 20 wherein said fan means comprises a multi-stage pump.
- 27. An apparatus according to claim 20 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus.
- 28. An apparatus according to claim 20 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus, wherein the seal resulting therefrom maintains the position of said apparatus relative to said surface.
- 29. An apparatus for generating a low pressure region capable of attracting a surface by providing a toroidal and cylindrical vortex comprising:an outer shroud for encompassing said apparatus; fan means for generating a fluid flow; shroud means having an inner and outer perimeter in accordance with said outer shroud, further aligned concentrically with said fan means such that said fluid flow follows a circumferential path around said shroud means; wherein said fluid flow, after following said path substantially generates a toroidal vortex which is supplemented by a cylindrical vortex whose flow is imparted by said fan means; further wherein said toroidal vortex and said cylindrical vortex induce a low pressure region.
- 30. An apparatus according to claim 29 wherein said fan means further comprise concentrically placed blades.
- 31. An apparatus according to claim 29 wherein said fan means comprise a plurality of sets of concentrically placed blades.
- 32. An apparatus according to claim 29 wherein said shroud means further comprises concentrically placed vanes.
- 33. An apparatus according to claim 29 wherein said fan means is powered by a motor.
- 34. An apparatus according to claim 29 wherein said fan means are powered by a motor, said motor positioned between said fan means and an attracting surface.
- 35. An apparatus according to claim 29 wherein said fan means are powered by a motor, said motor positioned outside of said low pressure region.
- 36. An apparatus according to claim 29 wherein said apparatus further comprises a responsive control system that senses environmental changes which effect the required speed of said fan means and accordingly adjusts the speed of said fan means.
- 37. An apparatus according to claim 29 wherein said fan means comprises a multi-stage pump.
- 38. An apparatus according to claim 29 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus.
- 39. An apparatus according to claim 29 wherein said apparatus further comprises sealing means for preventing the escape of said fluid from said apparatus, wherein the seal resulting therefrom maintains the position of said apparatus relative to said surface.
- 40. A method of generating a low pressure region, comprising the steps of:providing a fluid flow comprising a rotational component and a tangential component; and manipulating said tangential component to effect a toroidal vortex flow; wherein said manipulating is supplemented by a cylindrical vortex imparted by said rotational component, said toroidal vortex and said cylindrical vortex inducing a low pressure region, said low pressure region resulting in an attractive force toward a surface.
- 41. A method in accordance with claim 40 wherein said method further comprises the step of sealing, said sealing preventing the escape of said fluid.
- 42. A method in accordance with claim 40 wherein said method further comprises the step of sealing, said sealing preventing any translation along said surface.
CROSS REFERENCE TO OTHER APPLICATIONS
This application is filed as a continuation-in-part of copending application Ser. No. 09/728,602, filed Dec. 1, 2000, entitled “Lifting Platform”, which is a continuation-in-part of co-pending Ser. No. 09/316,318, filed May 21, 1999, entitled “Vortex Attractor.”
US Referenced Citations (10)
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
09/728602 |
Dec 2000 |
US |
Child |
09/829416 |
|
US |
Parent |
09/316318 |
May 1999 |
US |
Child |
09/728602 |
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US |