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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Turning vanes (HVAC) ： ウィキペディア英語版 Turning vanes (HVAC) HVAC turning vanes are sheet metal devices inside of mechanical ductwork used to smoothly direct air inside a duct where there is a change in direction, by reducing resistance and turbulence. Gordon R. Jacobsen, a West Point graduate, originally invented the product to address the problem engineers faced with airflow deficiencies and noisy duct systems. Jacobsen applied for and was granted Patent #US3381713 A and began a company, Aero Dyne Sound Control, to manufacture and distribute his invention. ==See also== *Duct (HVAC) *Pressurisation ductwork 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turning vanes (HVAC)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.