NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
대리인 / 주소
Troutman Sanders LLP
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
A surface plasma actuator includes a conducting wire attached to a surface of a target object and electrically insulated from the target object. Surface plasma is generated along a neighborhood of the conducting wire by applying a pulse voltage between the conducting wire and a conductive portion on
A surface plasma actuator includes a conducting wire attached to a surface of a target object and electrically insulated from the target object. Surface plasma is generated along a neighborhood of the conducting wire by applying a pulse voltage between the conducting wire and a conductive portion on a side of the target object. An induced gas flow is generated by the surface plasma.
대표청구항▼
1. A surface plasma actuator, comprising: an electrode attached to a surface of an insulating target object and formed from a conductive thin film or thin plate; andan insulation coated conductor attached to the surface and disposed opposite the electrode along a lengthwise direction, the insulation
1. A surface plasma actuator, comprising: an electrode attached to a surface of an insulating target object and formed from a conductive thin film or thin plate; andan insulation coated conductor attached to the surface and disposed opposite the electrode along a lengthwise direction, the insulation coated conductor comprising a conductive wire and an insulation material coating, whereinsurface plasma is generated between the insulation coated conductor and the electrode by applying a pulse voltage between the electrode and the conductive wire, and an induced gas flow is generated by the surface plasma. 2. The surface plasma actuator according to claim 1, wherein the insulation coated conductor is flexibly attachable to a three-dimensional shape of the surface of the target object. 3. The surface plasma actuator according to claim 1, wherein the insulation coated conductor is disposed within a recess or a groove formed in the surface of the target object and is flush-mounted to the target object with an insulating material filled in the recess or the groove, andthe electrode is attached along an end edge of the recess or the groove on the surface of the target object. 4. The surface plasma actuator according to claim 3, wherein the insulation coated conductor is in contact with an inner surface of the recess or the groove. 5. The surface plasma actuator according to claim 1, wherein the insulation coated conductor contacts the electrode. 6. The surface plasma actuator according to claim 5, wherein the insulation coated conductor is attached such that the conductive wire is disposed at a further outer position than the electrode with respect to the surface. 7. A surface plasma actuator, comprising: a conductive target object; andan insulation coated conductor attached to a surface of the target object, the insulation coated conductor comprising a conductive wire and an insulation material coating, whereinsurface plasma is generated between the insulation coated conductor and the surface of the target object by applying a pulse voltage between the target object and the conductive wire, and an induced gas flow is generated by the surface plasma. 8. The surface plasma actuator according to claim 7, wherein the insulation coated conductor is flexibly attachable to a three-dimensional shape of the surface of the target object. 9. The surface plasma actuator according to claim 7, wherein the insulation coated conductor is disposed within a recess or a groove formed in the surface of the target object and is flush-mounted to the target object with an insulating material filled in the recess or the groove. 10. The surface plasma actuator according to claim 9, wherein the insulation coated conductor is in contact with an inner surface of the recess or the groove. 11. The surface plasma actuator according to claim 7, wherein the insulation coated conductor is provided so as to be movable along the surface of the target object. 12. A pantograph for railroad vehicle, comprising: a collector shoe;an arm configured to support the collector shoe; andan insulation coated conductor attached to a surface of either one of the collector shoe and the arm, the insulation coated conductor comprising a conductive wire and an insulation material coating, whereinsurface plasma is generated between the insulation coated conductor and the surface of either one of the collector shoe and the arm by applying a pulse voltage between either one of the collector shoe and the arm and the conductive wire, and an induced gas flow is generated by the surface plasma. 13. The pantograph according to claim 12, wherein the insulation coated conductor is flexibly attachable to a three-dimensional shape of the surface of either one of the collector shoe and the arm. 14. The pantograph according to claim 12, wherein the collector shoe comprises a recess that extends in a widthwise direction of the railroad vehicle, the recess being provided at a front edge or a rear edge of the collector shoe in a traveling direction of the railroad vehicle, andthe insulation coated conductor is disposed within and along the recess and is flush-mounted with an insulating material filled in the recess. 15. The pantograph according to claim 12, wherein the collector shoe comprises recesses that extend in a widthwise direction of the railroad vehicle, the recesses disposed respectively at a front edge and a rear edge of the collector shoe in a traveling direction of the railroad vehicle,the insulation coated conductors are disposed at upper and lower positions within each of the recesses provided at the front edge and the rear edge, andthe pulse voltage is applied to either one of the upper and lower insulation coated conductors in accordance with the traveling direction of the railroad vehicle. 16. The pantograph according to claim 15, wherein the insulation coated conductors each are further disposed in zigzags on an upper surface of the collector shoe. 17. The pantograph according to claim 12, wherein the arm comprises a recess that extends in a lengthwise direction of the arm, the recess disposed at a lateral portion of the arm in a traveling direction of the railroad vehicle, andthe insulation coated conductor is disposed within and along the recess. 18. The pantograph according to claim 12, further comprising a high voltage switch configured to apply the pulse voltage to the conductive wire of the insulation coated conductor by periodically switching between an overhead wire voltage and a grounding voltage.
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