IPC Subgroup
F22D 11/02 Arrangements of feed-water pumps
Introduced: September 1968
Last revised: January 2006
Full Title
Feed-water supply not provided for in other main groups > Arrangements of feed-water pumps
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
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F22D 11/04 with means to eliminate steam formation
- F22D 11/06 for returning condensate to boiler