|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

ENGINES AND PUMPS

|  | F01 |
MACHINES OR ENGINES IN GENERAL (combustion engines Fulltext... Hierarchy... Expanded...F02; machines for liquids Fulltext... Hierarchy... Expanded...F03, Fulltext... Hierarchy... Expanded...F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES

|  | F01K |
STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES (gas-turbine or jet-propulsion plants Fulltext... Hierarchy... Expanded...F02; steam generation Fulltext... Hierarchy... Expanded...F22; nuclear power plants, engine arrangements therein Fulltext... Hierarchy... Expanded...G21D)

|  | F01K |
Note(s) Attention is drawn to the notes preceding class Fulltext... Hierarchy... Expanded...F01, especially as regards the definitions of "steam" and "special vapour".

|  | F01K 1/00 |
Steam accumulators (use of accumulators in steam engine plants Fulltext... Hierarchy... Expanded...F01K 3/00)

|  | F01K 1/02 |
· | for storing steam otherwise than in a liquid

|  | F01K 1/04 |
· | for storing steam in a liquid, e.g. Ruth type (in alkali to increase steam pressure Fulltext... Hierarchy... Expanded...F22B 1/20)

|  | F01K 1/06 |
· · | Internal fittings facilitating steam distribution, steam formation, or circulation (acting during charging or discharging Fulltext... Hierarchy... Expanded...F01K 1/08; fittings facilitating circulation through multiple accumulators Fulltext... Hierarchy... Expanded...F01K 1/14)

|  | F01K 1/08 |
· | Charging or discharging of accumulators with steam (peculiar to multiple accumulators Fulltext... Hierarchy... Expanded...F01K 1/12)

|  | F01K 1/10 |
· | specially adapted for superheated steam

|  | F01K 1/12 |
· | Multiple accumulators; Charging, discharging, or regulating peculiar thereto

|  | F01K 1/14 |
· · | Circulation

|  | F01K 1/16 |
· | Other safety or regulating means

|  | F01K 1/18 |
· · | for steam pressure

|  | F01K 1/20 |
· | Other steam-accumulator parts, details, or accessories

|  | F01K 3/00 - F01K 21/00 |
Steam engine plants

|  | F01K 3/00 |
Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein (regenerating exhaust steam Fulltext... Hierarchy... Expanded...F01K 19/00)

|  | F01K 3/02 |
· | Use of accumulators and specific engine types; Regulating thereof

|  | F01K 3/04 |
· · | the engine being of multiple-inlet-pressure type

|  | F01K 3/06 |
· · | the engine being of extraction or non-condensing type

|  | F01K 3/08 |
· | Use of accumulators, the plant being specially adapted for a specific use

|  | F01K 3/10 |
· · | for vehicle drive, e.g. for accumulator locomotives

|  | F01K 3/12 |
· | having two or more accumulators

|  | F01K 3/14 |
· | having both steam accumulator and heater, e.g. superheating accumulator (superheating accumulators per se Fulltext... Hierarchy... Expanded...F01K 1/10)

|  | F01K 3/16 |
· · | Mutual arrangement of accumulator and heater

|  | F01K 3/18 |
· | having heaters (having both steam accumulator and heater Fulltext... Hierarchy... Expanded...F01K 3/14; steam heaters per se Fulltext... Hierarchy... Expanded...F22)

|  | F01K 3/20 |
· · | with heating by combustion gases of main boiler

|  | F01K 3/22 |
· · · | Controlling, e.g. starting, stopping

|  | F01K 3/24 |
· · | with heating by separately-fired heaters

|  | F01K 3/26 |
· · | with heating by steam

|  | F01K 5/00 |
Plants characterised by use of means for storing steam in an alkali to increase steam pressure, e.g. of Honigmann or Koenemann type

|  | F01K 5/02 |
· | used in regenerative installation

|  | F01K 7/00 |
Plants characterised by the use of specific types of engine (Fulltext... Hierarchy... Expanded...F01K 3/02 takes precedence); Plants or engines characterised by their use of special steam systems, cycles, or processes (reciprocating-piston engines using uniflow principle Fulltext... Hierarchy... Expanded...F01B 17/04); Regulating means peculiar to such systems, cycles, or processes; Use of withdrawn or exhaust steam for feed-water heating

|  | F01K 7/02 |
· | the engines being of multiple-expansion type (the engines being only of turbine type Fulltext... Hierarchy... Expanded...F01K 7/16; the engines using steam of critical or over-critical pressure Fulltext... Hierarchy... Expanded...F01K 7/32; the engines being of extraction or non-condensing type Fulltext... Hierarchy... Expanded...F01K 7/34)

|  | F01K 7/04 |
· · | Regulating means peculiar thereto

|  | F01K 7/06 |
· | the engines being of multiple-inlet-pressure type (Fulltext... Hierarchy... Expanded...F01K 7/02 takes precedence; the engines being only of turbine type Fulltext... Hierarchy... Expanded...F01K 7/16; the engines using steam of critical or over-critical pressure Fulltext... Hierarchy... Expanded...F01K 7/32; the engines being of extraction or non-condensing type Fulltext... Hierarchy... Expanded...F01K 7/34)

|  | F01K 7/08 |
· · | Regulating means peculiar thereto

|  | F01K 7/10 |
· | characterised by the engine exhaust pressure (the engines being only of turbine type Fulltext... Hierarchy... Expanded...F01K 7/16; the engines using steam of critical or over-critical pressure Fulltext... Hierarchy... Expanded...F01K 7/32; the engines being of extraction or non-condensing type Fulltext... Hierarchy... Expanded...F01K 7/34)

|  | F01K 7/12 |
· · | of condensing type

|  | F01K 7/14 |
· · · | Regulating means peculiar thereto

|  | F01K 7/16 |
· | the engines being only of turbine type (the engines using steam of critical or over-critical pressure Fulltext... Hierarchy... Expanded...F01K 7/32; the engines being of extraction or non-condensing type Fulltext... Hierarchy... Expanded...F01K 7/34)

|  | F01K 7/18 |
· · | the turbine being of multiple-inlet-pressure type

|  | F01K 7/20 |
· · · | Regulating means peculiar thereto

|  | F01K 7/22 |
· · | the turbines having inter-stage steam heating

|  | F01K 7/24 |
· · · | Regulating or safety means peculiar thereto

|  | F01K 7/26 |
· · | the turbines having inter-stage steam accumulation

|  | F01K 7/28 |
· · · | Regulating means peculiar thereto

|  | F01K 7/30 |
· · | the turbines using exhaust steam only

|  | F01K 7/32 |
· | the engines using steam of critical or over-critical pressure

|  | F01K 7/34 |
· | the engines being of extraction or non-condensing type; Use of steam for feed-water heating (feed-water heaters per se Fulltext... Hierarchy... Expanded...F22D)

|  | 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

|  | F01K 9/00 |
Plants characterised by condensers arranged or modified to co-operate with the engines (by condensers structurally combined with engines Fulltext... Hierarchy... Expanded...F01K 11/00; steam condensers per se Fulltext... Hierarchy... Expanded...F28B)

|  | F01K 9/02 |
· | Arrangements or modifications of condensate or air pumps

|  | F01K 9/04 |
· | with dump valves to by-pass stages

|  | F01K 11/00 |
Plants characterised by the engines being structurally combined with boilers or condensers

|  | F01K 11/02 |
· | the engines being turbines

|  | F01K 11/04 |
· | the boilers or condensers being rotated in use

|  | F01K 13/00 |
General layout or general methods of operation, of complete plants

|  | F01K 13/02 |
· | Regulating, e.g. stopping or starting

|  | F01K 15/00 |
Adaptations of plants for special use

|  | F01K 15/02 |
· | for driving vehicles, e.g. locomotives (arrangements in vehicles, see the relevant vehicle classes)

|  | F01K 15/04 |
· · | the vehicles being waterborne vessels

|  | F01K 17/00 |
Using steam or condensate extracted or exhausted from steam engine plant (for heating feed-water Fulltext... Hierarchy... Expanded...F01K 7/34; returning condensate to boiler Fulltext... Hierarchy... Expanded...F22D)

|  | F01K 17/02 |
· | for heating purposes, e.g. industrial, domestic (Fulltext... Hierarchy... Expanded...F01K 17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, per se Fulltext... Hierarchy... Expanded...F24D 1/00, Fulltext... Hierarchy... Expanded...F24D 3/00, Fulltext... Hierarchy... Expanded...F24D 9/00)

|  | F01K 17/04 |
· | for specific purposes other than heating (Fulltext... Hierarchy... Expanded...F01K 17/06 takes precedence)

|  | F01K 17/06 |
· | Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel of plant

|  | F01K 19/00 |
Regenerating or otherwise treating steam exhaust from steam engine plant (plants characterised by use of means for storing steam in an alkali to increase steam pressure Fulltext... Hierarchy... Expanded...F01K 5/00; returning condensate to boiler Fulltext... Hierarchy... Expanded...F22D)

|  | F01K 19/02 |
· | Regenerating by compression

|  | F01K 19/04 |
· · | in combination with cooling or heating

|  | F01K 19/06 |
· · | in engine cylinder

|  | F01K 19/08 |
· · | compression done by injection apparatus, jet blower, or the like

|  | F01K 19/10 |
· | Cooling exhaust steam other than by condenser; Rendering exhaust steam invisible

|  | F01K 21/00 |
Steam engine plants not otherwise provided for

|  | F01K 21/02 |
· | with steam generation in engine cylinders

|  | F01K 21/04 |
· | using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas (direct-contact steam generators per se Fulltext... Hierarchy... Expanded...F22B)

|  | F01K 21/06 |
· | Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine

|  | F01K 23/00 |
Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids

|  | F01K 23/02 |
· | the engine cycles being thermally coupled

|  | F01K 23/04 |
· · | condensation heat from one cycle heating the fluid in another cycle

|  | F01K 23/06 |
· · | combustion heat from one cycle heating the fluid in another cycle

|  | F01K 23/08 |
· · · | with working fluid of one cycle heating the fluid in another cycle

|  | F01K 23/10 |
· · · | with exhaust fluid of one cycle heating the fluid in another cycle

|  | F01K 23/12 |
· | the engines being mechanically coupled (Fulltext... Hierarchy... Expanded...F01K 23/02 takes precedence)

|  | F01K 23/14 |
· · | including at least one combustion engine

|  | F01K 23/16 |
· · | all the engines being turbines (Fulltext... Hierarchy... Expanded...F01K 23/14 takes precedence)

|  | F01K 23/18 |
· | characterised by adaptation for specific use

|  | F01K 25/00 |
Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for

|  | F01K 25/02 |
· | the fluid remaining in the liquid phase

|  | F01K 25/04 |
· | the fluid being in different phases, e.g. foamed

|  | F01K 25/06 |
· | using mixtures of different fluids (plants using mixtures of steam and gas Fulltext... Hierarchy... Expanded...F01K 21/04)

|  | F01K 25/08 |
· | using special vapours

|  | F01K 25/10 |
· · | the vapours being cold, e.g. ammonia, carbon dioxide, ether

|  | F01K 25/12 |
· · | the vapours being metallic, e.g. mercury

|  | F01K 25/14 |
· · | using industrial or other waste gases

|  | F01K 27/00 |
Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for

|  | F01K 27/02 |
· | Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat