Otto and Langen Chapter 8 2018-11-17 Carl Svärd.

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Otto and Langen Chapter 8 2018-11-17 Carl Svärd

Nicolaus August Otto, 1832-1891 Born in Holzhausen, Taunus. Left high-school, worked in grocery store. Salesman of tea, sugar and kitchenware. 1861: Rejected patent for an alcoholic-air carburetor. 1861-1863: Experimented and tried to improve Lenoir engine. 1863: Atmospheric engine with free-piston built by Michael Zons. 2018-11-17 Carl Svärd

Eugen Langen, 1833-1895 Born in Cologne. Karlsruhe Polytechnikum, but no graduation. Worked in the family sugar enterprise. Entrepreneur; founded a coal grate company. 1864: Met Otto and founded N.A. Otto & Company. 2018-11-17 Carl Svärd

N.A. Otto & Company Otto, inventor. Langen, engineer and businessman. First company to manufacture IC-engines. Improved Otto’s first engine. 1867: Otto and Langen engine demonstration at Paris Exposition. Big success! 2018-11-17 Carl Svärd

Gasmotoren-Fabrik Deutz AG Paris Exposition success required business expansion. 1869: Langen, Otto and Roosen. Ludvig August Roosen-Runge became limited partner. Facilities moved to Deutz. 1872: Gasmotoren-Fabrik Deutz AG. Otto , technical director with no ownership. Langen, owner and CEO. Rapid growth required enhanced factory management skills. 2018-11-17 Carl Svärd

Gottlieb Daimler, 1834 - 1900 Engineering graduate from Stuttgart Polytechnikum, specialised in manufacturing. Experience man; gunsmith, locomotives, Paris, England. 1872: Joined Gasmotoren-Fabrik Deutz AG as production manager. Brought Wilhelm Maybach, head of design department. 2018-11-17 Carl Svärd

The Otto and Langen Engine Atmospheric and non-compression engine, run on gas. Intake and ignition through sliding valve. Combustion sends piston ”rocket-like” beyond expansion. Resultning negative pressure pulls the piston back. First half of downtravel generates power. Second half of downtravel creates positive pressure within cylinder. Pressure released through valve, which is used for speed regulation. Cam engaged only during piston downtravel. 2018-11-17 Carl Svärd

Videos Worlds first Otto Langen Engine More videos.. 2018-11-17 Carl Svärd

Specifications Brake horsepower 2.0 Flywheel rpm 90 Piston strokes per minute 30 Cylinder diameter, in. 12.5 Maximum piston strole, in. 40.5 Maximum cylinder pressure, psi. 54 Gas consumption, cubic feet/hour 36, 42 Mechanical efficiency, % 68 Thermal efficiency, % 11.2 2018-11-17 Carl Svärd

Start of a World Industry 2649 Otto and Langen engines was built in Deutz 1864-1885. Patents licensed to : England France Central Europe USA In total, close to 5000 engines was built. 2018-11-17 Carl Svärd

Contemporary Competitors Drawbacks, Otto and Langen engine: power limitation, weight, noise and recoil effects. Competitors: improved hot-air engines, compression engines, improved atmospheric engines . 1875: Daimlers second generation atmospheric engine with double-acting piston. Gilles atmospheric engine, single acting. 2018-11-17 Carl Svärd