F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  
ENGINES AND PUMPS
 F02
COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01); HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
 F02K
JET-PROPULSION PLANTS (arrangement or mounting of jet-propulsion plants in land vehicles or vehicles in general B60K; arrangement or mounting of jet-propulsion plants in waterborne vessels B63H; controlling aircraft attitude, flight direction, or altitude by jet reaction B64C; arrangement or mounting of jet-propulsion plants in aircraft B64D; plants characterised by the power of the working fluid being divided between jet propulsion and another form of propulsion, e.g. propeller, F02B, F02C; features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F02C)
 F02K

Note(s)

  1. Attention is drawn to the notes preceding class F01.
  2. In this sub-class, the term "jet-propulsion plants" means plants using combustion to produce a fluid stream from which a propulsive thrust on the plants is obtained on the reaction principle.
 F02K 1/00
Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto (rocket nozzles F02K 9/97)
 F02K 1/02
( transferred to F02K 1/28, F02K 1/36, F02K 1/38, F02K 1/40, F02K 1/46 )
 F02K 1/04
·  Mounting of an exhaust cone in the jet pipe
 F02K 1/06
·  Varying effective area of jet pipe or nozzle (F02K 1/30 takes precedence)
 F02K 1/08
·  ·  by axially moving or transversely deforming an internal member, e.g. the exhaust cone
 F02K 1/09
·  ·  by axially moving an external member, e.g. a shroud (F02K 1/12 takes precedence)  [3]
 F02K 1/10
·  ·  by distorting the jet pipe or nozzle
 F02K 1/11
·  ·  by means of pivoted eyelids  [3]
 F02K 1/12
·  ·  by means of pivoted flaps
 F02K 1/14
( transferred to F02K 1/28 )
 F02K 1/15
·  ·  Control or regulation  [3]
 F02K 1/16
·  ·  ·  conjointly with another control
 F02K 1/17
·  ·  ·  ·  with control of fuel supply  [3]
 F02K 1/18
·  ·  ·  Automatic
 F02K 1/20
( covered by F02K 1/00 )
 F02K 1/22
( transferred to F02K 1/78 )
 F02K 1/24 - 
F02K 1/26
( covered by F02K 1/00 )
 F02K 1/28
·  using fluid jets to influence the jet flow  [3]
 F02K 1/30
·  ·  for varying effective area of jet pipe or nozzle  [3]
 F02K 1/32
·  ·  for reversing thrust  [3]
 F02K 1/34
·  ·  for attenuating noise  [3]
 F02K 1/36
·  having an ejector  [3]
 F02K 1/38
·  Introducing air inside the jet (F02K 1/28 takes precedence)  [3]
 F02K 1/40
·  Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet  [3]
 F02K 1/42
·  ·  the means being movable into an inoperative position  [3]
 F02K 1/44
·  Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction (F02K 1/40 takes precedence)  [3]
 F02K 1/46
·  Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing (F02K 1/28, F02K 1/36, F02K 1/38 take precedence)  [3]
 F02K 1/48
·  ·  Corrugated nozzles  [3]
 F02K 1/50
·  ·  Deflecting outwardly a portion of the jet by retractable scoop-like baffles  [3]
 F02K 1/52
·  Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing  [3]
 F02K 1/54
·  Nozzles having means for reversing jet thrust (F02K 1/32 takes precedence)  [3]
 F02K 1/56
·  ·  Reversing jet main flow  [3]
 F02K 1/58
·  ·  ·  Reversers mounted on the inner cone or the nozzle housing  [3]
 F02K 1/60
·  ·  ·  by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers  [3]
 F02K 1/62
·  ·  ·  by blocking the rearward discharge by means of flaps  [3]
 F02K 1/64
·  ·  Reversing fan flow  [3]
 F02K 1/66
·  ·  ·  using reversing fan blades  [3]
 F02K 1/68
·  ·  ·  Reversers mounted on the engine housing downstream of the fan exhaust section  [3]
 F02K 1/70
·  ·  ·  using thrust reverser flaps or doors mounted on the fan housing  [3]
 F02K 1/72
·  ·  ·  ·  the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow  [3]
 F02K 1/74
·  ·  Reversing at least one flow in relation to at least one other flow in a plural-flow engine  [3]
 F02K 1/76
·  ·  Control or regulation of thrust reversers  [3]
 F02K 1/78
·  Other construction of jet pipes  [3]
 F02K 1/80
·  ·  Couplings or connections  [3]
 F02K 1/82
·  ·  jet pipe walls, e.g. liners  [3]
 F02K 3/00
Plants including a gas turbine driving a compressor or a ducted fan
 F02K 3/02
·  in which part of the working fluid by-passes the turbine and combustion chamber
 F02K 3/04
·  ·  the plant including ducted fans, i.e. fans with high volume, low-pressure outputs, for augmenting jet thrust, e.g. of double-flow type
 F02K 3/06
·  ·  ·  with front fan
 F02K 3/062
·  ·  ·  with aft fan  [3]
 F02K 3/065
·  ·  ·  with front and aft fans  [3]
 F02K 3/068
·  ·  ·  being characterised by a short axial length relative to diameter  [3]
 F02K 3/072
·  ·  ·  with counter-rotating rotors  [3]
 F02K 3/075
·  ·  ·  controlling flow ratio between flows  [3]
 F02K 3/077
·  ·  ·  the plant being of the multiple flow type, i.e. having three or more flows  [3]
 F02K 3/08
·  with supplementary heating of the working fluid (after-burners, combustion chambers per se F23R); Control thereof (control of fuel supply therefor F02C 9/26)
 F02K 3/10
·  ·  by after-burners (F02K 3/105 takes precedence)
 F02K 3/105
·  ·  Heating the by-pass flow  [3]
 F02K 3/11
·  ·  ·  by means of burners or combustion chambers  [3]
 F02K 3/115
·  ·  ·  by means of indirect heat exchange  [3]
 F02K 3/12
·  characterised by having more than one gas turbine
 F02K 5/00
Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan
 F02K 5/02
·  the engine being of the reciprocating-piston type
 F02K 7/00
Plants in which the working-fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof (rocket-engine plants F02K 9/00)
 F02K 7/02
·  the jet being intermittent, i.e. pulse jet
 F02K 7/04
·  ·  with resonant combustion chambers
 F02K 7/06
·  ·  with combustion chambers having valves
 F02K 7/067
·  ·  ·  having aerodynamic valves  [3]
 F02K 7/075
·  ·  with multiple pulse-jet engines  [3]
 F02K 7/08
·  the jet being continuous
 F02K 7/10
·  characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines
 F02K 7/12
·  ·  Injection-induction jet engines  [3]
 F02K 7/14
·  ·  with external combustion, e.g. scram-jet engines  [3]
 F02K 7/16
·  ·  Composite ram-jet/turbo-jet engines  [3]
 F02K 7/18
·  ·  Composite ram-jet/rocket engines  [3]
 F02K 7/20
·  ·  Composite ram-jet/pulse-jet engines  [3]
 F02K 9/00
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof (chemical composition of propellants C06B, C06D)
 F02K 9/02 - 
F02K 9/06
( transferred to F02K 9/08-F02K 9/97, covered by F02K 9/00 )
 F02K 9/08
·  using solid propellants (F02K 9/72 takes precedence; using semi-solid or pulverulent propellants F02K 9/70)  [3]
 F02K 9/10
·  ·  Shape or structure of solid propellant charges  [3]
 F02K 9/12
·  ·  ·  made of two or more portions burning at different rates  [3]
 F02K 9/14
·  ·  ·  made from sheet-like materials, e.g. of carpet-roll type, of layered structure  [3]
 F02K 9/16
·  ·  ·  of honeycomb structure  [3]
 F02K 9/18
·  ·  ·  of the internal-burning type having a star or like shaped internal cavity  [3]
 F02K 9/20
·  ·  ·  of the external-burning type  [3]
 F02K 9/22
·  ·  ·  of the front-burning type  [3]
 F02K 9/24
·  ·  Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges  [3]
 F02K 9/26
·  ·  Burning control  [3]
 F02K 9/28
·  ·  having two or more propellant charges with the propulsion gases exhausting through a common nozzle  [3]
 F02K 9/30
·  ·  with the propulsion gases exhausting through a plurality of nozzles  [3]
 F02K 9/32
·  ·  Constructional parts; Details (shape or structure of solid propellant charges F02K 9/10; starting or ignition means or arrangements F02K 9/95; rocket nozzles F02K 9/97)  [3]
 F02K 9/34
·  ·  ·  Casings; Combustion chambers; Liners thereof  [3]
 F02K 9/36
·  ·  ·  Propellant charge supports  [3]
 F02K 9/38
·  ·  ·  Safety devices, e.g. to prevent accidental ignition  [3]
 F02K 9/40
·  ·  ·  Cooling arrangements  [3]
 F02K 9/42
·  using liquid or gaseous propellants (F02K 9/72 takes precedence)  [3]
 F02K 9/44
·  ·  Feeding propellants  [3]
 F02K 9/46
·  ·  ·  using pumps (pumps per se F04)  [3]
 F02K 9/48
·  ·  ·  ·  driven by a gas turbine fed by propellant combustion gases  [3]
 F02K 9/50
·  ·  ·  using pressurised fluid to pressurize the propellants  [3]
 F02K 9/52
·  ·  ·  Injectors (in general B05B)  [3]
 F02K 9/54
·  ·  ·  Leakage detectors; Purging systems; Filtration systems (filters per se B01D)  [3]
 F02K 9/56
·  ·  ·  Control  [3]
 F02K 9/58
·  ·  ·  ·  Propellant feed valves (valves in general F16K)  [3]
 F02K 9/60
·  ·  Constructional parts; Details (starting or ignition means or arrangements F02K 9/95; rocket nozzles F02K 9/97)  [3]
 F02K 9/62
·  ·  ·  Combustion or thrust chambers  [3]
 F02K 9/64
·  ·  ·  ·  having cooling arrangements  [3]
 F02K 9/66
·  ·  ·  ·  of the rotary type  [3]
 F02K 9/68
·  ·  ·  Decomposition chambers  [3]
 F02K 9/70
·  using semi-solid or pulverulent propellants  [3]
 F02K 9/72
·  using liquid and solid propellants, i.e. hybrid rocket-engine plants  [3]
 F02K 9/74
·  combined with another jet-propulsion plant  [3]
 F02K 9/76
·  ·  with another rocket-engine plant; Multistage rocket-engine plants  [3]
 F02K 9/78
·  ·  with an air-breathing jet-propulsion plant (with a ram-jet engine F02K 7/18)  [3]
 F02K 9/80
·  characterised by thrust or thrust vector control (F02K 9/26, F02K 9/56, F02K 9/94 take precedence)  [3]
 F02K 9/82
·  ·  by injection of a secondary fluid into the rocket exhaust gases  [3]
 F02K 9/84
·  ·  using movable nozzles  [3]
 F02K 9/86
·  ·  using nozzle throats of adjustable cross-section  [3]
 F02K 9/88
·  ·  using auxiliary rocket nozzles  [3]
 F02K 9/90
·  ·  using deflectors (F02K 9/82 takes precedence)  [3]
 F02K 9/92
·  ·  incorporating means for reversing or terminating thrust  [3]
 F02K 9/94
·  Re-ignitable or restartable rocket-engine plants; Intermittently operated rocket-engine plants  [3]
 F02K 9/95
·  characterised by starting or ignition means or arrangements (safety devices F02K 9/38)  [3]
 F02K 9/96
·  characterised by specially adapted arrangements for testing or measuring  [3]
 F02K 9/97
·  Rocket nozzles (thrust or thrust vector control F02K 9/80)  [3]
 F02K 11/00
Plants not provided for in the preceding groups
 F02K 11/02 - 
F02K 11/04
( covered by F02K 11/00 )