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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 Hesselman engine ： ウィキペディア英語版 Hesselman engine The Hesselman engine is a hybrid between a petrol engine and a Diesel engine introduced by Swedish engineer Jonas Hesselman in 1925. It represented the first use of direct gasoline injection on a spark-ignition engine used to power a road going vehicle. The Hesselman engine saw use in heavy trucks and buses in models produced in the 1920s and 1930s. == Operation == A Hesselman engine is basically a spark-ignition engine, converted to run on heavier petroleum products such as oil, kerosene or diesel oil. The fuel is injected into the combustion chamber using an injection pump. Because of the engine's low compression the fuel must be ignited by a spark plug, unlike the diesel engine, where the fuel ignites spontaneously by the heat generated by the high compression ratio. Hesselman engines were often started on gasoline and then switched to diesel or kerosene when at working temperature. Clearing the heavy oil for the next start was achieved by switching back to gasoline before stopping. It is the first spark ignition engine for automotive use with direct injection of fuel into the cylinder. 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「Hesselman engine」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.