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