Alphonse Beau de Rochas

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Alphonse Eugène Beau de Rochas
Alphonse Beau de Rochas
Born(1815-04-09)9 April 1815
Digne-les-Bains, Alpes-de-Haute-Provence
Died27 March 1893(1893-03-27) (aged 77)
Known for Four-stroke internal-combustion engine

Alphonse Eugène Beau de Rochas (9 April 1815, Digne-les-Bains, Alpes-de-Haute-Provence – 27 March 1893, Vincennes) was a French engineer. He was the first to patent the four-stroke engine in 1862, but he did not build one and the idea was subsequently developed by Nicolaus Otto and other engineers. [1]

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  1. "Alphonse Beau de Rochas". Encyclopædia Britannica. Retrieved 14 June 2022.