Gustaf de Laval - Wikipedia, the free encyclopedia - http://en.wikipedia.org/wiki...
Jul 16, 2011
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pstp tech ag bio space eng , (Karl) 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. In 1882 he introduced his concept of an impulse steam turbine[2] and in 1887 built a small steam turbine to demonstrate that such devices could be constructed on that scale. In 1890 Laval developed a nozzle to increase the steam jet to supersonic speed, working off the kinetic energy of the steam, rather than its pressure. The nozzle, now known as a de Laval nozzle, is used in modern rocket engine nozzles. De Laval also made important contributions to the dairy industry, including the first centrifugal 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.
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