Method and system using liquid dielectric for electrostatic power generation
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G21D-007/02
G21D-007/00
H02K-044/00
H02N-001/00
F02B-063/04
F02B-063/00
출원번호
US-0146938
(2005-06-06)
등록번호
US-7446450
(2008-11-04)
발명자
/ 주소
Boland,Justin Scott
Tai,Yu Chong
출원인 / 주소
California Institute of Technology
대리인 / 주소
Townsend and Townsend and Crew LLP
인용정보
피인용 횟수 :
7인용 특허 :
7
초록▼
A system and method for generating power. The system has a first electrode member comprising a first region and a second electrode member comprising a second region. Preferably, the second electrode member is coupled to the first electrode member. An electret is coupled between the first electrode m
A system and method for generating power. The system has a first electrode member comprising a first region and a second electrode member comprising a second region. Preferably, the second electrode member is coupled to the first electrode member. An electret is coupled between the first electrode member and the second electrode member. The system has a spatial region provided between the first region of the first electrode member and the second region of the second electrode member. A volume of fluid (e.g., liquid, liquid and solids, gas and liquid, solids and gases) is provided between the first region and the second region and is adapted to move between the first region and the second region to cause a change in an electric field characteristic within a portion of the spatial region by the movement of at least a portion of the fluid within the portion of the spatial region to generate a change in voltage potential between the first electrode and the second electrode.
대표청구항▼
What is claimed is: 1. A system for generating power, the system comprising: a first electrode member comprising a first region; a second electrode member comprising a second region, the second electrode member being coupled to the first electrode member; an electret coupled between the first elect
What is claimed is: 1. A system for generating power, the system comprising: a first electrode member comprising a first region; a second electrode member comprising a second region, the second electrode member being coupled to the first electrode member; an electret coupled between the first electrode member and the second electrode member; a spatial region provided between the first region of the first electrode member and the second region of the second electrode member; a volume of fluid adapted to move between the first region and the second region to cause a change in an electric field characteristic within a portion of the spatial region by the movement of at least a portion of the fluid within the portion of the spatial region to generate a change in voltage potential between the first electrode and the second electrode. 2. The system of claim 1 wherein the portion of the spatial region is an entirety of the spatial region. 3. The system of claim 1 wherein the spatial region is fixed in size. 4. The system of claim 1 wherein the volume of fluid is less than a volume of the spatial region. 5. The system of claim 1 wherein the change in voltage is associated with an alternating voltage. 6. The system of claim 1 wherein the volume of fluid is continuous. 7. The system of claim 1 wherein the volume of fluid moves in and out of a region between the first region and the second region. 8. The system of claim 1 wherein the volume of fluid moves through a region between the first region and the second region. 9. The system of claim 1 wherein the volume of fluid comprises a plurality of solid entities. 10. The system of claim 1 wherein the volume of fluid comprises a plurality of solid entities, the plurality of solid entities being adapted to behave as a fluid entity. 11. The system of claim 1 wherein the spatial region comprises a gas portion, the gas portion being capable of displacement by a portion of the volume of the fluid. 12. The system of claim 1 wherein the spatial region is a spatial volume. 13. The system of claim 1 wherein the first electrode member comprises at least a conductive element. 14. The system of claim 1 wherein the second electrode member comprises at least a conductive element. 15. The system of claim 1 wherein the volume of fluid comprises a liquid. 16. The system of claim 1 wherein the volume of fluid comprises a vapor. 17. The system of claim 1 wherein the volume of fluid comprises a conductive characteristic. 18. The system of claim 1 wherein the volume of fluid is a substantially metal fluid. 19. The system of claim 1 wherein the volume fluid is a single continuous metal entity, the metal entity being a liquid metal. 20. The system of claim 1 wherein the spatial region comprises a plurality of cell regions, each of the cell regions being characterized by a cell spatial volume. 21. The system of claim 1 wherein the volume of fluid comprises a plurality of solid entities, each of the solid entities being capable of movement through a portion of the spatial region. 22. The system of claim 1 wherein the volume of fluid comprises a one or more entities of a higher density than a fluid density of the fluid, the one or more entities being capable of movement through a portion of the spatial region. 23. The system of claim 1 wherein the electret comprises a high resistance polymer bearing material. 24. The system of claim 1 wherein the electric comprises a high resistance polymer bearing material, the high resistance polymer material being a material called Teflon TM manufactured by Dupont. 25. The system of claim 1 wherein the electret comprises a high resistance oxide bearing material. 26. The system of claim 1 wherein the electret comprises a high resistance oxide bearing material, the high resistance oxide being material comprising a silicon dioxide. 27. The system of claim 1 wherein the electret comprises a single material. 28. The system of claim 1 wherein the electret comprises two or more layers of materials. 29. The system of claim 1 wherein the electret comprises a plurality of cavities therein. 30. The system of claim 1 wherein the electret comprises a plurality of cavities therein, each of the cavities being a void region, the cavities being provided in a solid foam material. 31. The system of claim 1 wherein the electret is characterized by a micromachining process. 32. A method for generating power, the method comprising: providing a volume of fluid within a spatial region provided between a first region of a first electrode member and a second region of a second electrode member, the first region and the second region having an electret material coupled between the first region and the second region; moving at least a portion of the volume of fluid within a portion of the spatial region between the first region and the second region to cause a change in an electric field characteristic within the portion of the spatial region by at least the movement of at least the portion of the fluid; and generating a change in voltage potential between the first electrode and the second electrode from at least the change in the electric field characteristic caused by at least the movement of at least the portion of the fluid. 33. The method of claim 32 wherein the portion of the spatial region is an entirety of the spatial region. 34. The method of claim 32 wherein the spatial region is fixed in size. 35. The method of claim 32 wherein the volume of fluid is less than a volume of the spatial region. 36. The method of claim 32 wherein the change in voltage is associated with an alternating voltage. 37. The method of claim 32 wherein the volume of fluid is continuous. 38. The method of claim 32 wherein the volume of fluid moves in and out of a region between the first region and the second region. 39. The method of claim 32 wherein the volume of fluid moves through a region between the first region and the second region. 40. The method of claim 32 wherein the volume of fluid comprises a plurality of solid entities. 41. The method of claim 32 wherein the volume of fluid comprises a plurality of solid entities, the plurality of solid entities being adapted to behave as a fluid entity. 42. The method of claim 32 wherein the spatial region comprises a gas portion, the gas portion being capable of displacement by a portion of the volume of the fluid. 43. The method of claim 32 wherein the spatial region is a spatial volume. 44. A system for generating power using a liquid dielectric material coupled to an electret, the system comprising: a first electrode member, comprising a first surface region; a second electrode member comprising a second surface region, the second electrode member being coupled to the first electrode member; an electret coupled between the first electrode member and the second electrode member; a spatial volume provided between the first surface region of the first electrode member and the second surface region of the second electrode member; a fluid capable of movement within the spatial volume between the first surface region and the second surface region, the movement of a portion of the fluid causing a change in an electric field characteristic within a portion of the spatial volume. 45. The system of claim 44 wherein the first electrode member comprises at least one homogeneous conductive element. 46. The system of claim 44 wherein the second electrode member comprises at least one homogeneous conductive element. 47. The system of claim 44 wherein the fluid comprises a liquid. 48. The system of claim 44 wherein the fluid comprises a vapor. 49. The system of claim 44 wherein the fluid comprises a conductive characteristic. 50. The system of claim 44 wherein the fluid is a substantially metal fluid. 51. The system of claim 44 wherein the fluid is a single continuous metal entity, the metal entity being a liquid metal. 52. The system of claim 44 wherein the spatial volume comprises a plurality of cell regions, each of the cell regions being characterized by a cell spatial volume. 53. The system of claim 44 wherein the fluid contains a plurality of solid entities within a portion of a volume of the fluid, each of the solid entities being capable of movement through a portion of the spatial volume. 54. The system of claim 44 wherein the fluid comprises a one or more entities of a higher density than a fluid density of the fluid, the one or more entities being capable of movement through a portion of the spatial volume. 55. The system of claim 44 wherein the electret comprises a high resistance polymer bearing material. 56. The system of claim 55 wherein the high resistance polymer bearing material is a material called Teflon�� manufactured by Dupont. 57. The system of claim 44 wherein the electret comprises a high resistance oxide bearing material. 58. The system of claim 57 the high resistance oxide bearing material comprise silicon dioxide. 59. The system of claim 44 wherein the electret comprises a single material. 60. The system of claim 44 wherein the electret comprises two or more layers of materials. 61. The system of claim 44 wherein the electret comprises a plurality of cavities therein. 62. The system of claim 44 wherein the electret comprises a plurality of cavities therein, each of the cavities being a void region, the cavities being provided in a solid foam material. 63. The system of claim 44 wherein the electret is characterized by a micromachining process. 64. A system for generating power, the system comprising a plurality of power generating devices, each of the power generating devices comprising: a first electrode member comprising a first region; a second electrode member comprising a second region, the second electrode member being coupled to the first electrode member; an electret coupled between the first electrode member and the second electrode member; a spatial region provided between the first region of the first electrode member and the second region of the second electrode member; a volume of fluid adapted to move between the first region and the second region to cause a change in an electric field characteristic within a portion of the spatial region by the movement of at least a portion of the fluid within the portion of the spatial region to generate a change in voltage potential between the first electrode and the second electrode. 65. The system of claim 64 wherein the portion of the spatial region is an entirety of the spatial region. 66. The system of claim 64 wherein the spatial region is fixed in size. 67. The system of claim 64 wherein the volume of fluid is less than a volume of the spatial region. 68. The system of claim 64 wherein the change in voltage is Associated with an alternating voltage. 69. The system of claim 64 wherein the volume of fluid is continuous. 70. The system of claim 64 wherein the volume of fluid moves in and out of a region between the first region and the second region. 71. The system of claim 64 wherein the volume of fluid moves through a region between the first region and the second region. 72. The system of claim 64 wherein the volume of fluid comprises a plurality of solid entities. 73. The system of claim 64 wherein the volume of fluid comprises a plurality of solid entities, the plurality of solid entities being adapted to behave as a fluid entity. 74. The system of claim 64 wherein the spatial region comprises a gas portion, the gas portion being capable of displacement by a portion of the volume of the fluid. 75. The system of claim 64 wherein the spatial region is a spatial volume. 76. The system of claim 64 wherein the plurality of devices are arranged in an array configuration, the array configuration comprising a plurality of rows numbered from 1 through N, and a plurality of columns numbered from 1 through M. 77. The system of claim 64 wherein the plurality of devices are arranged in a three dimensional array configuration, the array configuration comprising a plurality of rows numbered from 1 through N, a plurality of columns numbered from 1 through M, each of the rows and each of the columns occupying at least one of a plurality of layers numbered from 1 through Z, whereupon Z is an integer of two and greater. 78. The system of claim 64 wherein each of the devices is configured in parallel electrical arrangement with any one of the other devices. 79. The system of claim 64 wherein each of the devices is configured in a serial electrical arrangement with any one of the other devices.
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