1879, German engineer karl benz successfully tested the two-stroke experimental engine for the first time. 1June, 883, founded "Ben Ci Company and Rheinland Gas Engine Factory".
1885, he made the first Ben Ci patented motor vehicle in Mannheim, which was a three-wheeled vehicle with a two-stroke single-cylinder gasoline engine and 0.9 horsepower. This car has some basic characteristics of modern cars, such as spark ignition, water cooling cycle, steel tube frame, leaf spring suspension, rear wheel drive, front wheel steering and brake handle.
18861On October 29th, German engineer karl benz applied for a patent for his motor vehicle. In June165438+1October of the same year, Karl Benz obtained the German patent (patent number: 37435a). This is considered to be the first modern car in the world. For the above reasons, people generally regard 1886 as the first year of automobile.
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The French have played a great role in promoting the development of automobiles. 1889, the French Buel developed the gearbox and differential. 189 1 year, the front engine was driven by the rear wheel for the first time, and the friction plate clutch was successfully developed. 1895 used pneumatic rubber tires for the first time, 1898 used sealed box transmission, universal transmission shaft and bevel gear main reducer.
1902 adopts semi-independent suspension of rear axle. Since then, Germany, Britain and the United States have all invented carburetors in 1893, and 1896 began to use asbestos brake pads and steering wheels. With the improvement of automobile structure, the structural form of automobile engine has also changed greatly.
From horizontal bar to in-line two-cylinder, three-cylinder, four-cylinder, five-cylinder, six-cylinder, eight-cylinder and double-row eight-cylinder, there are gasoline engines and diesel engines, from low power and low speed to high power and high speed, from reciprocating pistons to rotary pistons.
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