FI (list display)

  • F22B27/00
  • Instantaneous or flash steam boilers HB CC 3L032
  • F22B27/02
  • .built-up from fire tubes HB CC 3L032
  • F22B27/04
  • .built-up from water tubes(F22B27/12 to F22B27/16 take precedence) HB CC 3L032
  • F22B27/06
  • ..bent in serpentine or sinuous form HB CC 3L032
  • F22B27/08
  • ..bent helically, i.e. coiled HB CC 3L032
  • F22B27/10
  • ..bent spirally HB CC 3L032
  • F22B27/12
  • .built-up from rotary heat-exchange elements, e.g. from tube assemblies HB CC 3L032
  • F22B27/14
  • .built-up from heat-exchange elements arranged within a confined chamber having heat-retaining walls HB CC 3L032
  • F22B27/16
  • .involving spray nozzles for sprinkling or injecting water particles on to or into hot heat-exchange elements, e.g. into tubes HB CC 3L032
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