Rudolf Diesel, of German ethnicity, was born in 1858 in Paris where his parents were

Rudolf Diesel, of German ethnicity, was born in 1858 in Paris where his parents were German immigrants.[7] He was educated at Munich Polytechnic. After graduation he was employed as a refrigerator engineer, but his true love lay in engine design. Diesel designed many heat engines, including a solar-powered air engine. In 1892 he received patents in Germany, Switzerland, the United Kingdom and filed in the United States for "Method of and Apparatus for Converting Heat into Work".[8] In 1893 he described a "slow-combustion engine" that first compressed air thereby raising its temperature above the igniting-point of the fuel, then gradually introducing fuel while letting the mixture expand "against resistance sufficiently to prevent an essential increase of temperature and pressure", then cutting off fuel and "expanding without transfer of heat".[citation needed] In 1894 and 1895 he filed patents and addenda in various countries for his Diesel engine; the first patents were issued in Spain (No.16,654), France (No.243,531) and Belgium (No.113,139) in December 1894, and in Germany (No.86,633) in 1895 and the United States (No.608,845) in 1898.[9] He operated his first successful engine in 1897. His engine was the first to prove that fuel could be ignited without a spark.[citation needed]

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the first patents were issued in Spain (No.16,654), France (No.243,531) and Belgium (No.113,139) in December 1894, and in Germany (No.86,633) in 1895 and the United States (No.608,845) in 1898.[9] He operated his first successful engine in 1897. His engine was the first to prove that fuel could be ignited without a spark.[citation needed]


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oice of locations makes it clear that the blasts were intended to cause maximum casualties, says the BBC's Soutik Biswas in Delhi.

But footage of one of the blast sites - a ripped-off cover of a bus shelter and a car with its glass shattered - points to a medium-level and possibly crude explosion, adds our correspondent.