James Atkinson (inventor)

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Atkinson Gas Engine as shown in US Patent 367496

James Atkinson (1846–1914)[1] of Hampstead was a British engineer who invented the Atkinson cycle engine in 1882.[2] By use of variable engine strokes from a complex crankshaft, Atkinson was able to increase the efficiency of his engine, at the cost of some power, over traditional Otto-cycle engines. He was awarded the John Scott Medal of The Franklin Institute in 1889.


  1. ^ C. Lyle Cummins (2000). Internal Fire: The Internal-Combustion Engine 1673-1900. Wilsonville, Ore: Carnot Press. p. 218. ISBN 0-917308-05-0. 
  2. ^ US patent 367496, James Atkinson, "Gas-Engine", issued 1887-08-02 

Further reading[edit]

"Memoirs - James Atkinson". Proceedings of the Institution of Mechanical Engineers: 347. May 1914. 

See also[edit]