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Motore Stirling L. Heinrici Machinenfabrik 40
Inizio '900



The company Louis Heinrich Maschinenfabrik, founded in 1876, was one of the leading manufacturers of stationary engines of small and medium size, operating according to the Stirling cycle. These engines feature simple design, noiseless operation and can be feed with various fuels (both liquid and gaseous). Stirling engines were developed between the late 800 and early '900, before the spread of internal combustion engines. Usually they were employed to drive small industrial or laboratory machinery, as well as used for domestic equipment such as to drive hydraulic pumps or fans. Nowadays these engines are quite rare and are collected by many enthusiasts.

Technical specifications

ManufacturerLouis Heinrici Machinenfabrik, Zwickau, Germany, 1900s
Descriptionstationary, single-cylinder, Stirling engine
Stroke20 mm
Bore40 mm
Displacement25 cm³
Power0.02 hp at 350 rpm
Valvetrain systemby sliding pistons
Feeding systemwith a small burner
Cooling systemsupplied by liquid or air
Lubrication systemwith multiple lubricators
Mass12 kg


Commonly used in workshops to drive small operating machines.


Kind donation of Mr. Alessandro Pieri Vincentelli.


Testi e immagini di Giuseppe Genchi
Sito realizzato da Pasquale Pillitteri