IPC Classification

Class code (prefix) Descriptions Number of results
F23R 3/00 Continuous combustion chambers using liquid or gaseous fuel
F23R 3/02 Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
F23R 3/04 Air inlet arrangements
F23R 3/06 Arrangement of apertures along the flame tube
F23R 3/08 Arrangement of apertures along the flame tube between annular flame tube sections, e.g. flame tubes with telescopic sections
F23R 3/10 Air inlet arrangements for primary air
F23R 3/12 Air inlet arrangements for primary air inducing a vortex
F23R 3/14 Air inlet arrangements for primary air inducing a vortex by using swirl vanes
F23R 3/16 Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration with devices inside the flame tube or the combustion chamber to influence the air or gas flow
F23R 3/18 Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants
F23R 3/20 Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants incorporating fuel injection means
F23R 3/22 Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants adjustable, e.g. self-adjusting
F23R 3/24 Flame stabilising means, e.g. flame holders for after-burners of jet-propulsion plants of the fluid-screen type
F23R 3/26 Controlling the air flow
F23R 3/28 Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
F23R 3/30 Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising devices
F23R 3/32 Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising fuel prevapourising devices being tubular
F23R 3/34 Feeding into different combustion zones
F23R 3/36 Supply of different fuels
F23R 3/38 Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply comprising rotary fuel injection means
F23R 3/40 Continuous combustion chambers using liquid or gaseous fuel characterised by the use of catalytic means
F23R 3/42 Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
F23R 3/44 Combustion chambers comprising a tubular flame tube within a tubular casing
F23R 3/46 Combustion chambers comprising an annular arrangement of flame tubes within a common annular casing or within individual casings
F23R 3/48 Flame tube interconnectors, e.g. cross-over tubes
F23R 3/50 Combustion chambers comprising an annular flame tube within an annular casing
F23R 3/52 Toroidal combustion chambers
F23R 3/54 Reverse-flow combustion chambers
F23R 3/56 Combustion chambers having rotary flame tubes
F23R 3/58 Cyclone or vortex type combustion chambers
F23R 3/60 Support structures; Attaching or mounting means
F23R 5/00 Continuous combustion chambers using solid or pulverulent fuel
F23R 7/00 Intermittent or explosive combustion chambers