blastpipe

Etymology
From.

Noun

 * 1)  A pipe forming part of the exhaust system of a steam locomotive that discharges exhaust steam from the cylinders up into the smokebox beneath the chimney in order to increase the draught through the firebox; this speeds up the release of smoke through the chimney.

Translations

 * Czech: dyšna
 * Finnish: vetopuhallin
 * German:
 * Russian:, ко́нусное устро́йство
 * Spanish: tiro del escape de vapor
 * Swedish: ångbläster