(0)F02K:0/1:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
JET-PROPULSION PLANTS
F02K
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F 02 K

 JET-PROPULSION PLANTS (arrangement or mounting of jet-propulsion plants in land vehicles or vehicles in general B 60 K; arrangement or mounting of jet-propulsion plants in waterborne vessels B 63 H; controlling aircraft attitude, flight direction, or altitude by jet reaction B 64 C; arrangement or mounting of jet-propulsion plants in aircraft B 64 D; plants characterised by the power of the working fluid being divided between jet propulsion and another form of propulsion, e.g. propeller, F 02 B, F 02 C; features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F 02 C)
 

Notes

(1)

 In this subclass, the following expression is used with the meaning indicated:
 

-

 "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.

(2)

 Attention is drawn to the Notes preceding class F 01.

 

 

 
 

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/ 00 Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto (rocket nozzles F 02 K 9/97)

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/ 04 • Mounting of an exhaust cone in the jet pipe  

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/ 06 • Varying effective area of jet pipe or nozzle (F 02 K 1/30 takes precedence) [3]  

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/ 08 • • by axially moving or transversely deforming an internal member, e.g. the exhaust cone  

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/ 09 • • by axially moving an external member, e.g. a shroud (F 02 K 1/12 takes precedence) [3]  

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/ 10 • • by distorting the jet pipe or nozzle  

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/ 11 • • by means of pivoted eyelids [3]  

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/ 12 • • by means of pivoted flaps  

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/ 15 • • Control or regulation [3]  

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/ 16 • • • conjointly with another control [3]  

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/ 17 • • • • with control of fuel supply [3]  

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/ 18 • • • automatic [3]  

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/ 28 • using fluid jets to influence the jet flow [3]  

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/ 30 • • for varying effective area of jet pipe or nozzle [3]  

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/ 32 • • for reversing thrust [3]  

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/ 34 • • for attenuating noise [3]  

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/ 36 • having an ejector [3]  

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/ 38 • Introducing air inside the jet (F 02 K 1/28 takes precedence) [3]  

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/ 40 • Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet [3]  

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/ 42 • • the means being movable into an inoperative position [3]  

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/ 44 • Nozzles having means, e.g. a shield, reducing sound radiation in a specified direction (F 02 K 1/40 takes precedence) [3]  

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/ 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 (F 02 K 1/28, F 02 K 1/36, F 02 K 1/38 take precedence) [3]  

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/ 48 • • Corrugated nozzles [3]  

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/ 50 • • Deflecting outwardly a portion of the jet by retractable scoop-like baffles [3]  

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/ 52 • Nozzles specially constructed for positioning adjacent to another nozzle or to a fixed member, e.g. fairing [3]  

1
/ 54 • Nozzles having means for reversing jet thrust (F 02 K 1/32 takes precedence) [3]  

1
/ 56 • • Reversing jet main flow [3]  

1
/ 58 • • • Reversers mounted on the inner cone or the nozzle housing [3]  

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/ 60 • • • by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers [3]  

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/ 62 • • • by blocking the rearward discharge by means of flaps [3]  

1
/ 64 • • Reversing fan flow [3]  

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/ 66 • • • using reversing fan blades [3]  

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/ 68 • • • Reversers mounted on the engine housing downstream of the fan exhaust section [3]  

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/ 70 • • • using thrust reverser flaps or doors mounted on the fan housing [3]  

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/ 72 • • • • the aft end of the fan housing being movable to uncover openings in the fan housing for the reversed flow [3]  

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/ 74 • • Reversing at least one flow in relation to at least one other flow in a plural-flow engine [3]  

1
/ 76 • • Control or regulation of thrust reversers [3]  

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/ 78 • Other construction of jet pipes [3]  

1
/ 80 • • Couplings or connections [3]  

1
/ 82 • • Jet pipe walls, e.g. liners [3]  
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