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Corliss steam engine — A Corliss steam engine – the valve gear is on the right of the cylinder block, on the left of the picture A Corliss steam engine (or Corliss engine) is a steam engine, fitted with rotary valves and with variable valve timing patented in 1849 … Wikipedia
Hit and miss engine — A hit and miss engine is a type of four stroke internal combustion engine that was conceived in the late 1800s and was produced by various companies from the 1890s through approximately the 1930s. The name comes from the method of speed control… … Wikipedia
Trip valve — mechanisms are a class of steam engine valve gear developed to improve efficiency. The trip mechanism allows the inlet valve to be closed rapidly, giving a short, sharp cut off. The valve itself can be a drop valve or a Corliss valve.Trip valve… … Wikipedia

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