F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
ENGINES OR PUMPS
 F01
MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, 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 F02; steam generation F22; nuclear power plants, engine arrangements therein G21D)
 F01K

Note(s)

Attention is drawn to the Notes preceding class F01, especially as regards the definitions of "steam" and "special vapour".

 F01K 1/00
Steam accumulators (use of accumulators in steam engine plants 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 F22B 1/20)
 F01K 1/06
·  ·  Internal fittings facilitating steam distribution, steam formation, or circulation (acting during charging or discharging F01K 1/08; fittings facilitating circulation through multiple accumulators F01K 1/14)
 F01K 1/08
·  Charging or discharging of accumulators with steam (peculiar to multiple accumulators 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 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 F01K 1/10)
 F01K 3/16
·  ·  Mutual arrangement of accumulator and heater
 F01K 3/18
·  having heaters (having both steam accumulator and heater F01K 3/14; steam heaters per se 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 (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 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 F01K 7/16; the engines using steam of critical or over-critical pressure F01K 7/32; the engines being of extraction or non-condensing type F01K 7/34)
 F01K 7/04
·  ·  Regulating means peculiar thereto
 F01K 7/06
·  the engines being of multiple-inlet-pressure type (F01K 7/02 takes precedence; the engines being only of turbine type F01K 7/16; the engines using steam of critical or over-critical pressure F01K 7/32; the engines being of extraction or non-condensing type 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 F01K 7/16; the engines using steam of critical or over-critical pressure F01K 7/32; the engines being of extraction or non-condensing type 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 F01K 7/32; the engines being of extraction or non-condensing type 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 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 F01K 11/00; steam condensers per se 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
Use of steam or condensate extracted or exhausted from steam engine plant (for heating feed-water F01K 7/34; returning condensate to boiler F22D)
 F01K 17/02
·  for heating purposes, e.g. industrial, domestic (F01K 17/06 takes precedence; domestic- or space-heating systems, e.g. central-heating systems, per se F24D 1/00, F24D 3/00, F24D 9/00)  [3]
 F01K 17/04
·  for specific purposes other than heating (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 F01K 5/00; returning condensate to boiler 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 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 (F01K 23/02 takes precedence)
 F01K 23/14
·  ·  including at least one combustion engine
 F01K 23/16
·  ·  all the engines being turbines (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 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