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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 Downton pump ： ウィキペディア英語版 Downton pump The Downton pump is type of positive displacement pump patented in 1825 by Jonathan Downton. It was typically used on ships.〔() Catalogue Of The Mechanical Engineering Collection In The Science Division Of The Victoria And Albert Museum, South Kensington, Various Authors. ISBN 1-4067-8053-7, ISBN 978-1-4067-8053-6〕 The design of the Downton pump sought to create a more constant flow of pumped liquid, and a steadier load-state on the pump, by increasing the number of buckets operating in the pump. These buckets were actuated by means of a rotating crankshaft and connecting rods, which caused the buckets to reciprocate up and down, with each feeding the next with liquid.〔() Description and photographs of the Downton pump〕〔() Photographs and description of Downton Pump, The Engineers and Mechanics Encyclopedia.〕 == Power source == The power source for the pump could be either mechanical or human, with human powered Downton pumps being operated by means of a capstan. 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「Downton pump」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.