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Charles Caille
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1694. Gaille, C. Jan. 24. Gas and explosive-vapour engines. -In a four-stroke cycle engine, a pump b of the same volume as the combustion chamber k forces a charge into the cylinder d u r i n g the compression stroke, and again during the exhaust stroke to expel the whole of the combustion products and increase the working pressure.
GB190101694D1901-01-241901-01-24Improvements in Internal Combustion Engines.
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