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Hugo Lentz (1859–1944) was an Austrian mechanical engineer, born in South Africa.〔(''Continental engineers '' ) at www.steamindex.com. Accessed on 21 Feb 2013.〕 He was the inventor of many award winning improvements to the steam engine. The correct spelling of his name is Lenz but it has been Anglicised to Lentz in English-speaking countries. == Life and career == Lentz was born on 21 July 1859 in South Africa. When he was six years old his father died and the family returned to relatives in Germany. He became a Prussian marine engineer.〔( ''Paxman-Lentz Steam Engines'' ) at www.paxmanhistory.org.uk. Accessed on 21 Feb 2013.〕 He won the grand prize at the Exposition Universelle (1900) in Paris and is best known for his steam valve gear with oscillating and rotating cams to actuate poppet valves. He also developed an eponymous form of locomotive boiler, the Lentz boiler, with a corrugated tubular furnace. From 1907 ''Davey, Paxman & Co'',〔(''History of Paxman's Ownership and Corporate Identity'' ) at www.paxmanhistory.org.uk. Accessed on 21 Feb 2013.〕 and later the ''Erie City Iron Works'' in Pennsylvania, built Lentz's steam engines. He died on 21 March 1944. 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「Hugo Lentz」の詳細全文を読む スポンサード リンク
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