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IPC Subgroup
F22B 29/06

of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes

Introduced: September 1968

Last revised: January 2006

Full Title

Steam boilers of forced-flow type > of once-through type, i.e. built-up from tubes receiving water at one end and delivering superheated steam at the other end of the tubes

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
STEAM GENERATION
Subclass:
METHODS OF STEAM GENERATION; STEAM BOILERS

3 direct subcodes

Child Classifications

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  • F22B 29/08 operating with fixed point of final state of complete evaporation
  • F22B 29/1 operating with sliding point of final state of complete evaporation
  • F22B 29/12 operating with superimposed recirculation during starting and low-load periods, e.g. composite boilers