Jean Lemaître

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Jean Lemaître was a mechanical engineer from the Nord Belge Railway, who developed a steam locomotive exhaust system.

The Lemaitre Exhaust featured 5 nozzles in a circular pattern exhausting up a large diameter stack, with a variable area nozzle exhausting up the center.

The design was later improved by Livio Dante Porta, who created the Lempor, a combination of their two names.

[edit] External links

• Continental engineers
• The ultimate steam page - Steam Locomotive Exhaust Drawings
• Lempor Exhaust