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SMART VORTEX GENERATOR, AND AIRPLANE, SHIPS, AND ROTATING MACHINES COMPRISING THE SAME

外国特許コード F070001663
整理番号 F070001663
掲載日 2007年9月14日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2005JP024290
国際公開番号 WO 2007/077620
国際出願日 平成17年12月28日(2005.12.28)
国際公開日 平成19年7月12日(2007.7.12)
発明の名称 (英語) SMART VORTEX GENERATOR, AND AIRPLANE, SHIPS, AND ROTATING MACHINES COMPRISING THE SAME
発明の概要(英語) This invention provides a smart vortex generator (1) comprising a body (3), at least a part of which is formed of a shape memory alloy, disposed on the surface of an object such as a main wing in an airplane which, together with fluid flow, forms a boundary. In the body (3), upon exposure to a temperature rise or fall of a fluid, the shape memory alloy undergoes phase transformation to a higher-temperature side stable phase, which is stable on a higher temperature side, and a lower-temperature side stable phase, which is stable on a lower temperature side. By taking advantage of this phenomenon, the body (3) can change its own form to a first form, which can suppress the separation of flow by vortex generation, and a second form which can suppress turbulent flow. The smart vortex generator (1) can exhibit multidirectional properties depending upon a temperature change, can eliminate the need to externally supply energy, has a simple structure, is less likely to cause troubles, and can realize easy repair, maintenance, and mounting to existing wings.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • National University Corporation Nagoya University
  • 発明者(英語)
  • Ikeda, Tadashige
国際特許分類(IPC)
指定国 AE AG AL AM AT AU AZ BA BB BE BF BG BJ BR BW BY BZ CA CF CG CH CI CM CN CO CR CU CY CZ DE DK DM DZ EC EE EG ES FI FR GA GB GD GE GH GM GN GQ GR GW HR HU ID IE IL IN IS IT JP KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MC MD MG MK ML MN MR MW MX MZ NA NE NG NI NL NO NZ OM PG PH PL PT RO RU SC SD SE SG SI SK SL SM SN SY SZ TD TG TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW
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