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PCE
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CPC Subgroup
F01K 7/34

the engines being of extraction or non-condensing type; Use of steam for feed-water heating (feed-water heaters in general F22D)

Full Title

Steam engine plants characterised by the use of specific types of engine (F01K3/02 takes precedence); Plants or engines characterised by their use of special steam systems, cycles or processes (reciprocating-piston engines using uniflow principle F01B17/04); Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating > the engines being of extraction or non-condensing type; Use of steam for feed-water heating (feed-water heaters in general F22D)

6 direct subcodes

Child Classifications

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  • F01K 7/36 the engines being of positive-displacement type
  • F01K 7/38 the engines being of turbine type
  • F01K 7/40 Use of two or more feed-water heaters in series
  • F01K 7/42 Use of desuperheaters for feed-water heating
  • F01K 7/44 Use of steam for feed-water heating and another purpose