Who is etienne lenoir




















Engineer training self-taught and responsible for a considerable number of inventions, including an electric brake , an electric motor , a counter of water , a mechanical Kneader , a controller for dynamos and an autografico Telegraph , Lenoir was made famous by building, in , one of the first models of internal combustion engine that ran on gaswhich subsequently perfected according to the scheme of functioning based on four-stroke Bean of Rochas cycle.

The invention was applied by Lenoir, three years later and in a version improved, to a three-wheeled vehicle that arrived to walk 10 km, feat that marked the birth of the engine explosion and the burgeoning automobile industry. Son of a Belgian soldier, Lenoir emigrated to Paris in the year in search of Fortune; It was in absolute poverty, with only elementary education, without any trade and resources with those who hold themselves in the Parisian capital.

After spending a long time playing all kinds of trades, as a waiter, Cook and enameller, among other occupations, Lenoir acquired an important statement by itself and turned especially in the study of chemistry, in whose field it managed to pull out, in , his first invention: the white tin oxide without enamel. Thanks to the economic security that reported you your inventions, thereafter Lenoir could devote himself entirely to what they liked: invent new electromechanical devices applicable to the industrial process in full swing by that time.

In the year , Lenoir unveiled in Paris which, no doubt, would be his most famous invention, a dual action of combustion gas engine. The first engine with internal combustion, double-sided operation, two-stroke and without prior compression, was invented.

Soon after, the German Nikolaus August Otto developed a Lenoir-inspired engine powered by gasoline: the atmospheric gas engine, the flugkolben engine. This was a forerunner of the ultimate four-stroke engine. The final breakthrough followed in That year, Otto developed the four-stroke engine, which was to become the prototype for later combustion engines. Four-stroke is more fuel efficient because the fuel mixture is optimally refreshed. It became known as the Otto engine. Otto applied for a patent for an improved version granted as DEC.

Independently of Otto, others Beau de Rochas were working on similar developments. He reached a settlement and the product became a great success. The V. This way we ensure a relevant website. Claims for the development of the first internal combustion engine have beenmade by supporters of the Reverend W. Cecil and William Barnett, but it was Lenoir, in , who built the first practical engine. Lenoir's model was a two-cycle, one-cylinder engine with slide valves which used "illuminating gas" also called coal gas as a fuel.

This gas was used at the time in streetlights, hence its name. Lenoir's engine used an electrical charge supplied by a battery to ignite the gas after it was drawn into the cylinder. Although Lenoir adapted an improved engine to a carriage in , his two-cycle engine was too small and inefficient to power a carriage successfully. Healso adapted his engine to propel a boat, but its true value was realized bythe sale of hundreds to power small machinery, such as printing presses, lathes, and water pumps.

Lenoir is also credited with inventing the spark plug for automobile ignitionsystems. His invention is essentially the same as those used in cars today.



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