| F | SK | SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F23 | KL | COMBUSTION APPARATUS; COMBUSTION PROCESSES |
| F23R | UKL | GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS (chemical aspects of gas production C06D 5/00; gas-turbine plants characterised by the arrangement of the combustion chamber in the plant F02C 3/14; arrangement of afterburners in jet-propulsion plants F02K 3/10; combustion chambers of rocket engine plants F02K 9/00; using such products for specific purposes, see the relevant classes for the purposes) |
| F23R 3/00 | HGR | Continuous combustion chambers using liquid or gaseous fuel [3] |
| F23R 3/02 | UGR1 | | . | characterised by the air-flow or gas-flow configuration (reverse-flow combustion chambers F23R 3/54; cyclone or vortex type combustion chambers F23R 3/58) [3] |
|
| F23R 3/04 | UGR2 | | . . | Air inlet arrangements [3] |
|
| F23R 3/06 | UGR3 | | . . . | Arrangement of apertures along the flame tube [3] |
|
| F23R 3/08 | UGR4 | | . . . . | between annular flame tube sections, e.g. flame tubes with telescopic sections [3] |
|
| F23R 3/10 | UGR3 | | . . . | for primary air (F23R 3/06 takes precedence) [3] |
|
| F23R 3/12 | UGR4 | | . . . . | inducing a vortex [3] |
|
| F23R 3/14 | UGR5 | | . . . . . | by using swirl vanes [3] |
|
| F23R 3/16 | UGR2 | | . . | with devices inside the flame tube or the combustion chamber to influence the air or gas flow [3] |
|
| F23R 3/18 | UGR3 | | . . . | Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants [3] |
|
| F23R 3/20 | UGR4 | | . . . . | incorporating fuel injection means [3] |
|
| F23R 3/22 | UGR4 | | . . . . | movable, e.g. to an inoperative position; adjustable, e.g. self-adjusting [3] |
|
| F23R 3/24 | UGR4 | | . . . . | of the fluid-screen type [3] |
|
| F23R 3/26 | UGR2 | | . . | Controlling the air flow [3] |
|
| F23R 3/28 | UGR1 | | . | characterised by the fuel supply (burners F23D) [3] |
|
| F23R 3/30 | UGR2 | | . . | comprising fuel prevapourising devices [3] |
|
| F23R 3/32 | UGR3 | |
| F23R 3/34 | UGR2 | | . . | Feeding into different combustion zones [3] |
|
| F23R 3/36 | UGR2 | | . . | Supply of different fuels [3] |
|
| F23R 3/38 | UGR2 | | . . | comprising rotary fuel injection means [3] |
|
| F23R 3/40 | UGR1 | | . | characterised by the use of catalytic means [3] |
|
| F23R 3/42 | UGR1 | | . | characterised by the arrangement or form of the flame tubes or combustion chambers [3] |
|
| F23R 3/44 | UGR2 | | . . | Combustion chambers comprising a tubular flame tube within a tubular casing (reverse-flow combustion chambers F23R 3/54) [3] |
|
| F23R 3/46 | UGR2 | | . . | Combustion chambers comprising an annular arrangement of flame tubes within a common annular casing or within individual casings [3] |
|
| F23R 3/48 | UGR3 | | . . . | Flame tube interconnectors, e.g. cross-over tubes [3] |
|
| F23R 3/50 | UGR2 | | . . | Combustion chambers comprising an annular flame tube within an annular casing (toroidal combustion chambers F23R 3/52) [3] |
|
| F23R 3/52 | UGR2 | | . . | Toroidal combustion chambers [3] |
|
| F23R 3/54 | UGR2 | | . . | Reverse-flow combustion chambers [3] |
|
| F23R 3/56 | UGR2 | | . . | Combustion chambers having rotary flame tubes [3] |
|
| F23R 3/58 | UGR2 | | . . | Cyclone or vortex type combustion chambers [3] |
|
| F23R 3/60 | UGR2 | | . . | Support structures; Attaching or mounting means [3] |
|
| F23R 5/00 | HGR | Continuous combustion chambers using solid or pulverulent fuel (fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures F23C 10/16) [3] |
| F23R 7/00 | HGR | Intermittent or explosive combustion chambers [3] |