hot-air engine

hot-air engine

[′hä¦der ′en·jən]
(mechanical engineering)
A heat engine in which air or other gases, such as hydrogen, helium, or nitrogen, are used as the working fluid, operating on cycles such as the Stirling or Ericsson.
References in periodicals archive ?
340hp Murray-Corliss Sawmill engine, 18th Hot-Air Engine Collectors Reunion.