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James Atkinson (1846 – 1914) of Hampstead was a British engineer who invented several engines with greater efficiency than the Otto cycle. The Atkinson cycle engines were named the "Differential 1882", "Cycle 1887" and "Utilite 1892". The most well-known of Atkinson's engines is the "Cycle 1887", patented in 1887. 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.

See also

• History of the internal combustion engine

Notes

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

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

External links

• James Atkinson at Find A Grave - personal details

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