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Corliss steam engine
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A Corliss steam engine is a steam engine, fitted with rotary valves and with variable valve timing patented in 1849, invented by and named after the US engineer George Henry Corliss of Providence, Rho
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 – the valve gear is on the right of the cylinder block, on the left of the picture
"Gordon's improved Corliss valvegear", detailed view. The wrist-plate is the central plate from which rods radiate to each of the four valves.
"Gordon's improved Corliss valvegear", detailed view. The wrist-plate is the central plate from which rods radiate to each of the four valves.
Detail of a Corliss-type valve gear and cylinder cross section showing the path of high-pressure steam (in red) and low-pressure steam (in blue). With
Detail of a Corliss-type valve gear and cylinder cross section showing the path of high-pressure steam (in red) and low-pressure steam (in blue). With each stroke, the four valves alternate opening and closing, driving the piston back and forth
Valve gear typical of engines developed by Corliss competitors. The horizontal arrangement of the dashpots and the lack of a wrist plate avoided key c
Valve gear typical of engines developed by Corliss competitors. The horizontal arrangement of the dashpots and the lack of a wrist plate avoided key claims in the Corliss patents.
Uniflow steam engine
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The uniflow type of steam engine uses steam that flows in one direction only in each half of the cylinder. Thermal efficiency is increased by having a temperature gradient along the cylinder. Steam al
Corliss steam engine
…office. Engines fitted with Corliss valve gear offered the best thermal efficiency of any type of stationary steam engine until the refinement of the uniflow steam engine and steam turbine in the 20th century. Corliss engines were generally about 30 percent more fuel efficient than conventional steam engines with fixed…
Galloway uniflow steam engine, now in Thinktank, Birmingham Science Museum
Galloway uniflow steam engine, now in Thinktank, Birmingham Science Museum
A restored 1918 Atkinson Uniflow steam wagon, photographed in 1977
A restored 1918 Atkinson Uniflow steam wagon, photographed in 1977