…In 1872, he welcomed G. Daimler and W. Maybach to the German Gas Engine Company, and continued to improve the engine, but he was unable to achieve good results and eventually abandoned it. Instead, he turned to the development of internal combustion engines, inspired by the theory of the four-stroke engine (patented in 1862) of Alphonse Beau de Rochas (1815-93), and in 1876 he produced a four-stroke internal combustion engine, now known as the Otto cycle, and obtained a patent for it the following year. This engine was called the "Silent Otto" because it was much quieter than the loud Renoir engine, and it was well received at the Paris World's Fair in 1878. … *Some of the terminology explanations that mention "Rochas, ABde" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…72年G.ダイムラーとW.マイバハを迎えドイツ・ガス原動機製作会社を設立,この機関の改良を続けたが,好成績を得るにいたらず,結局放棄する。代りに,ボー・ド・ロシャAlphonse Beau de Rochas(1815‐93)の4サイクル機関の理論(1862特許)によって,内燃機関の開発に向かい,76年,現在,オットー・サイクルとして知られる4サイクル方式の内燃機関を製作,翌年には特許を得た。この機関は,爆音の激しかったルノアール機関に比べてはるかに静かであったところから,〈無音オットー〉と呼ばれ,78年のパリ万国博覧会でも評判を集めた。… ※「Rochas,A.B.de」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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