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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 Hackworth valve gear ： ウィキペディア英語版 Hackworth valve gear The Hackworth valve gear is a design of valve gear used to regulate the flow of steam to the pistons in steam engines. It is a radial gear, with an actuating lever driven from the crank. The drive may be taken directly from the crank (top picture) or indirectly via a return crank (lower picture). The other end of the actuating lever is attached to a die block which slides in a slotted link. When the link is vertical, the engine is in mid-gear. Forward, reverse and cut-off adjustments are made by moving the link away from the vertical. The valve rod is pivoted to a point on the actuating lever.〔(【引用サイトリンク】url=http://thesciencedictionary.org/hackworth-valve-gear/ )〕 ==History== The gear was patented by John Wesley Hackworth (1820-1891), son of Timothy Hackworth, in 1859.〔http://www.steamindex.com/people/hackwort.htm#john〕 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「Hackworth valve gear」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.