FI (list display)

  • F22B7/00
  • Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body HB CC 3L032
  • F22B7/02
  • .without auxiliary water tubes HB CC 3L032
  • F22B7/04
  • .with auxiliary water tubes HB CC 3L032
  • F22B7/06
  • ..inside the furnace tube in transverse arrangement HB CC 3L032
  • F22B7/08
  • ..inside the furnace tube in longitudinal arrangement HB CC 3L032
  • F22B7/10
  • ..outside the boiler body HB CC 3L032
  • F22B7/12
  • .with auxiliary fire tubes; Arrangement of header boxes providing for return diversion of flue gas flow HB CC 3L032
  • F22B7/14
  • .with both auxiliary water tubes and auxiliary fire tubes HB CC 3L032
  • F22B7/16
  • .Component parts thereof; Accessories therefor, e.g. stay-bolt connections HB CC 3L032
  • F22B7/18
  • ..Walling of flues; Flue-gas header boxes HB CC 3L032
  • F22B7/20
  • ..Furnace tubes HB CC 3L032
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