CPC Main Group
F01K 17/00 Using steam or condensate extracted or exhausted from steam engine plant (for heating feed-water F01K7/34; returning condensate to boiler F22D )
4 direct subcodes
Child Classifications
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- F01K 17/02 for heating purposes, e.g. industrial, domestic (F01K17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, in general F24D1/00, F24D3/00, F24D9/00)
- F01K 17/04 for specific purposes other than heating (F01K17/06 takes precedence)
- F01K 17/06 Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant