Plants including a gas turbine driving a compressor or a ducted fan
3
/
02
•
in which part of the working fluid by-passes the turbine and combustion chamber
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
3
/
06
•
•
•
with front fan
3
/
062
•
•
•
with aft fan [3]
3
/
065
•
•
•
with front and aft fans [3]
3
/
068
•
•
•
being characterised by a short axial length relative to diameter [3]
3
/
072
•
•
•
with counter-rotating rotors [3]
3
/
075
•
•
•
controlling flow ratio between flows [3]
3
/
077
•
•
•
the plant being of the multiple flow type, i.e. having three or more flows [3]
3
/
08
•
with supplementary heating of the working fluid (after-burners, combustion chambers F 23 R); Control thereof (control of fuel supply therefor F 02 C 9/26
) [3]
3
/
10
•
•
by after-burners (F 02 K 3/105 takes precedence) [3]
3
/
105
•
•
Heating the by-pass flow [3]
3
/
11
•
•
•
by means of burners or combustion chambers [3]
3
/
115
•
•
•
by means of indirect heat exchange [3]
3
/
12
•
characterised by having more than one gas turbine
5
/
00
Plants including an engine, other than a gas turbine, driving a compressor or a ducted fan
5
/
02
•
the engine being of the reciprocating-piston type
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 F 02 K 9/00)
7
/
02
•
the jet being intermittent, i.e. pulse jet
7
/
04
•
•
with resonant combustion chambers
7
/
06
•
•
with combustion chambers having valves
7
/
067
•
•
•
having aerodynamic valves [3]
7
/
075
•
•
with multiple pulse-jet engines [3]
7
/
08
•
the jet being continuous
7
/
10
•
characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines
7
/
12
•
•
Injection-induction jet engines [3]
7
/
14
•
•
with external combustion, e.g. scram-jet engines [3]
7
/
16
•
•
Composite ram-jet/turbo-jet engines [3]
7
/
18
•
•
Composite ram-jet/rocket engines [3]
7
/
20
•
•
Composite ram-jet/pulse-jet engines [3]
9
/
00
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof (chemical composition of propellants C 06 B, C 06 D) [3]
9
/
08
•
using solid propellants (F 02 K 9/72 takes precedence; using semi-solid or pulverulent propellants F 02 K 9/70) [3]
9
/
10
•
•
Shape or structure of solid propellant charges [3]
9
/
12
•
•
•
made of two or more portions burning at different rates [3]
9
/
14
•
•
•
made from sheet-like materials, e.g. of carpet-roll type, of layered structure [3]
9
/
16
•
•
•
of honeycomb structure [3]
9
/
18
•
•
•
of the internal-burning type having a star or like shaped internal cavity [3]
9
/
20
•
•
•
of the external-burning type [3]
9
/
22
•
•
•
of the front-burning type [3]
9
/
24
•
•
Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges [3]
9
/
26
•
•
Burning control [3]
9
/
28
•
•
having two or more propellant charges with the propulsion gases exhausting through a common nozzle [3]
9
/
30
•
•
with the propulsion gases exhausting through a plurality of nozzles [3]
9
/
32
•
•
Constructional parts; Details (shape or structure of solid propellant charges F 02 K 9/10; starting or ignition means or arrangements F 02 K 9/95; rocket nozzles F 02 K 9/97) [3]
9
/
34
•
•
•
Casings; Combustion chambers; Liners thereof [3]
9
/
36
•
•
•
Propellant charge supports [3]
9
/
38
•
•
•
Safety devices, e.g. to prevent accidental ignition [3]
9
/
40
•
•
•
Cooling arrangements [3]
9
/
42
•
using liquid or gaseous propellants (F 02 K 9/72
takes precedence) [3]
