FI (list display)

  • F23L9/00
  • Passages or apertures for delivering secondary air for completing combustion of fuel (baffles or deflectors in air inlets F23M 9/02) HB CC 3K023
  • F23L9/02
  • .by discharging the air above the fire HB CC 3K023
  • F23L9/04
  • .by discharging the air beyond the fire, i.e. nearer the smoke outlet HB CC 3K023
  • F23L9/06
  • .by discharging the air into the fire bed HB CC 3K023
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