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Egide Walschaerts Biography
Egide Walschaerts was a mechanical engineer, born January 21, 1820 in Malines, Belgium. He studied at Liège, and in 1842 joined the Belgian State Railway workshops.

In 1844 he invented a type of valve gear, called Walschaert Gear used in the majority of steam engines. The gear allows for adjustment of the timing of the inlet and exhaust valves on the drive cylinders, including an ability to put a Steam Locomotive into reverse.

He invented several other improvements to steam engines, and was awarded a gold medal at the Exposition Universelle (1878) in Paris.
Egide Walschaerts Resources
Steam Locomotive Walschaert Valve Gear Animation
Animated GIF diagrams of steam locomotive rods, drivers, and Walschaert valve gear.
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Egide Walschaerts.