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Gustaf De LavalCarl Gustaf Patrik de Laval (May 9 1845 - February 2 1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery. Gustaf de Laval was born at Orsa in Dalecarlia and studied engineering at Uppsala University. In 1887 he built a small steam turbine to demonstrate that such devices could be constructed on a that scale, and in 1890 developed a nozzle to increase the speed of the steam entering the turbine. This is now known as a de Laval nozzle and is of great importance in rocket design. The high rotational speeds that de Laval's turbines were reaching demanded that he also design new approaches to reduction gearing, which are still in use today. De Laval also made important contributions to the dairy industry, including the first centifugal milk-cream separator and early milking machines, the first of which he patented in 1894. It was not until after his death, however, that the company he founded marketed the first commercially practical milking machine, in 1918. Together with Oscar Lamm de Laval founded the company Alfa Laval in 1883, which was known as AB Separator until 1963 when the present name was introduced. Gustaf de Laval is interred in the Norra begravningsplatsen in Stockholm. External links Laval, Gustaf Laval, Gustaf Laval, Gustaf Laval, Gustaf
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