traveling-grate stoker

traveling-grate stoker

[′trav·əl·iŋ ¦grāt ′stō·kər]
(mechanical engineering)
A type of furnace stoker; coal feeds by gravity into a hopper located on top of one end of a moving (traveling) grate; as the grate passes under the hopper, it carries a bed of fresh coal toward the furnace.