IPC Subgroup
F22D 1/4 Combinations of exhaust-steam and smoke-gas preheaters
Introduced: September 1968
Last revised: January 2006
Full Title
Feed-water heaters, e.g. preheaters > Combinations of exhaust-steam and smoke-gas preheaters
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
Scope Notes
Application references: Feed-water heaters, e.g. preheaters, for locomotives