Car History 4U

History of Radiators in Motor Cars / Automobiles

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6.11 Radiators

    • The radiator was invented and patented by Karl Benz for use on his first horseless carriage in 1885.

    • It overcame the problem of evaporation cooling, which was boiling away a gallon of water for every hour he operated his single cylinder engine.

    • >The first honeycomb radiator was designed by Wilhelm Maybach and fitted to the 1901 Mercedes 35 hp model.

    • Anti freeze became available in the USA in 1905.

    • The Union Carbide & Carbon Corporation in the USA was the sole producer of ethylene glycol up to 1914. Initially it was used as an anti freeze.

    • The use of ethylene glycol as an engine coolant was first proposed in England in 1916.

    • A patent was granted in the USA in 1918 for the use of ethylene glycol to lower the freezing point of water in car cooling systems.

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