| ReturnTo Theme-Group-Choice | Onelevelup |
| 3K091 | COMBUSTION OF FLUID FUEL | |
| F23C1/00 -9/08;9/08,500-9/08,503 | ||
| F23C1/00-9/08;9/08,500-9/08,503 | AA | AA00 PURPOSE |
AA01 | AA02 | AA03 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 | |
| . Control of nitrous oxides (NOx) | . Control of sulfur oxides (SOx) | . Control of carbon monoxide or uncombusted fuels or complete combustion | . Production or adjustment of flame patterns | . Variable ranges of combustion ratio or increase of the turn down ratio (TDR) | . Adjusting temperature or pressure of furnaces or combustion chambers | . Prevention of noise vibration or oscillating at the time of combustion | . Improvement of flame-extinguishing properties | . Improvement of starting | ||||
| AA12 | AA13 | AA16 | AA17 | AA18 | AA20 | |||||||
| . Cooling | . Prevention of scales or clinkers adhesion or protection of furnace walls | . Improvement of manufacturing processing or assembling | . Reducing size or weight or simplifying structures | . Prolonging life | . Others * | |||||||
| BB | BB00 USE OR KIND OF COMBUSTION DEVICE |
BB01 | BB02 | BB03 | BB05 | BB06 | BB07 | BB08 | ||||
| . Uses | . . Boilers | . . . for supplying hot-water or boiling water | . . Furnaces | . . . Incinerators | . . . Heating furnaces or heat-treatment furnaces | . . . . Radiant tubes | ||||||
| BB12 | BB13 | BB14 | BB15 | |||||||||
| . . Drying | . . Heating | . . Bath boilers | . . Cooking devices | |||||||||
| BB21 | BB22 | BB25 | BB26 | BB27 | BB28 | |||||||
| . Kinds of combustion devices | . . Fluidised-bed devices | . . Burners | . . . Gas burners | . . . . Line burners | . . . . Schwank-types | |||||||
| BB32 | BB33 | BB34 | BB35 | BB36 | BB37 | BB38 | ||||||
| . . . Liquid burners | . . . . Pot-types | . . . . Wick-types | . . . . Spray burners | . . . . . Gun-types | . . . . . Ultrasonic-spray types | . . . . with vaporisers | ||||||
| CC | CC00 KIND OF FUEL OR FORM OF COMBUSTION |
CC01 | CC02 | CC03 | CC04 | CC06 | CC07 | |||||
| . Kinds of fuels | . . Liquid fuels e.g. oil or waste water | . . . Emulsion slurries coal-oil mixtures (COM) or coal-water mixtures (CWM) | . . . Sludge or mud | . . Gaseous fuels e.g. liquefied natural gas (LNG) | . . . Waste gases | |||||||
| CC12 | CC13 | CC14 | CC15 | CC17 | ||||||||
| . . Solid fuels e.g. waste materials charcoal or wood | . . . Powdered coal | . . . Oil cokes or coal cokes | . . . Ashes or collected uncombusted materials | . . Mixed fuels excluding mixtures with air water or oil | ||||||||
| CC21 | CC22 | CC23 | CC24 | CC25 | CC26 | |||||||
| . Forms of combustions | . . Single-fuel combustion | . . Simultaneous or parallel combustion of different kinds of fuels | . . Selected combustion of different kinds of fuels | . . . Calories kinds of coals or particle sizes | . . . Viscosity | |||||||
| DD | DD00 SCOPE OF CLAIMS |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD10 | ||
| . Processes | . . for controlling | . Numerical limitations * | . . Temperature | . . Speed | . . Angle | . . Ratio of components | . . Air-fuel ratio or air ratio | . Materials or component limitation * | ||||
| F23C3/00-3/00,301 | EA | EA00 SHAPE OR FEATURE OF COMBUSTION CHAMBER |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | ||
| . Shapes | . . Step-types | . . Taper-types | . . with curved surfaces | . . . Spherical surfaces | . . . Combinations of circles or spheres | . . . Ovals | . . . Bellows types | |||||
| EA11 | EA12 | EA13 | EA14 | EA15 | EA16 | EA18 | EA19 | |||||
| . with radiating or combustion tubes | . . Radiant tubes | . . . Shapes | . . . . U-shaped | . . . . W-shaped | . . . . double-walled | . . Material limitation | . . with coatings or coated layers | |||||
| EA22 | EA23 | EA24 | EA25 | EA28 | EA29 | |||||||
| . . with air-preheating means | . . with recirculation of exhaust gases | . . involving secondary combustion | . . with catalysts | . . with bypass pipes | . . with tube supporting structures | |||||||
| EA31 | EA33 | EA34 | EA35 | EA38 | EA39 | |||||||
| . Variable capacity of combustion chambers | . Combustion chambers being composed of divided members | . Combustion chambers with partitions or baffle plates inside | . with translocation mechanisms of flame or exhaust gases | . Formation of whirling flows | . with noise-reduction mechanisms | |||||||
| F23C5/02-5/06 | EB | EB00 MECHANISM FOR ADJUSTMENT, INSTALLATION, OR DETACHMENT |
EB01 | EB02 | EB03 | EB05 | EB06 | EB07 | EB08 | EB10 | ||
| . Adjustment of burner position during operation | . . Linear movement | . . . Vertical movement | . . Rotation | . . . automatic | . . Oscillation | . . . three-dimensional | . Adjustment of positions of plural burners arranged in plane | |||||
| EB11 | EB12 | EB13 | EB15 | EB17 | EB19 | EB20 | ||||||
| . Mechanisms for mounting or detaching | . . Linear movement only | . . involving rotation or reciprocation | . . with locking means | . . with means for closing burner mounting ports e.g. lids | . . using bolts or nuts | . . . Spray burners e.g. gun-types | ||||||
| EB22 | EB23 | EB24 | EB25 | |||||||||
| . . Simplified mechanisms for mounting or detaching | . . . Springs | . . . Pins | . . . Pawls or projections | |||||||||
| EB31 | EB32 | EB33 | EB35 | EB36 | EB37 | EB38 | EB39 | |||||
| . Mounting elements other than burners e.g. exhaust pipes | . Assembly structures of burners per se | . . Mounting burner members e.g. swirlers | . Mounting details | . . Sealing structures | . . . mechanical | . . Means for detecting mounting states | . . Heat-insulation or heat-proof structures | |||||
| F23C5/08-5/32 | EC | EC00 ARRANGEMENT OF BURNER |
EC01 | EC02 | EC04 | EC05 | EC06 | EC07 | EC08 | EC09 | EC10 | |
| . Number of burners | . . being single | . . being plural | . . . in multiple arrangements | . . . in opposite arrangements | . . . . matching axially | . . . . mismatching axially | . . . . . at the corners | . . . . . tangentially | ||||
| EC11 | EC12 | EC13 | EC14 | EC15 | EC16 | |||||||
| . Flames to be formed | . . Flat or oval flames | . . Whirling flames | . . Impacting flames | . . . inclined | . . Divided flames | |||||||
| EC21 | EC23 | EC24 | ||||||||||
| . with limited intervals | . with limited spray-angles | . with limited positions or angles in relation to materials being heated | ||||||||||
| F23C6/04,304-6/04,305 | FA | FA00 AFTER-BURNING 1 |
FA01 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | |||
| . having red heat bodies or radiant bodies for combusting uncombusted materials | . having catalysts for burning uncombusted materials | . . Shapes of catalysts or carriers | . . . granular | . . . fibrous | . . . . Net-types | . . . . Roll-types | ||||||
| FA12 | FA13 | FA14 | FA15 | FA17 | FA18 | |||||||
| . . . Plate-types | . . . . Sintered metal-type or porous | . . . . perforated or punched | . . . . . honeycombed | . . . with uneven surfaces | . . . with limited aperture ratio | |||||||
| FA22 | FA23 | FA24 | FA25 | FA27 | FA28 | |||||||
| . . Materials of catalysts | . . . Metals | . . . . Platinum group e.g. platinum (Pt) rhodium (Rh) or palladium (Pd) | . . . Non-metals | . . having means for adjusting catalyst temperatures | . . . Electric heaters | |||||||
| FA32 | FA33 | FA34 | FA35 | FA37 | FA38 | FA39 | ||||||
| . . in multiple stages | . . adding catalyst functions to existing members | . . with heat-shielding bodies or plates | . . Movable catalysts | . . Tools for mounting storing or fixing catalysts or carriers | . . . Storing cases | . . . mounted by springs elastic bodies or pins | ||||||
| F23C6/00-6/04,303;6/04,306-7/08 | FB | FB00 SUPPLYING AIR OR FUEL; AFTER-BURNING 2 |
FB01 | FB02 | FB03 | FB05 | FB06 | FB07 | FB08 | FB09 | ||
| . Forms of combustion chambers | . . composed of plural compartments | . . . connected in series | . . Sequential supply of primary or higher air to a single combustion chamber | . . . from a single burner | . . Variable capacity of combustion chambers or effective combustion units | . . in multiple stages | . . supplying desulfurisation agents | |||||
| FB11 | FB12 | FB13 | FB14 | FB16 | ||||||||
| . Air- or fuel-supply parts | . . Walls of furnaces or combustion chambers | . . . After-air | . . . for tangential fires | . . Insertion pipes inserted into furnaces or combustion chambers | ||||||||
| FB22 | FB23 | FB24 | FB26 | FB27 | FB28 | FB29 | ||||||
| . . integrated with burners | . . . Burner tiles or throats | . . . Porous plates | . having variable spraying angles | . having functions for adjusting flame directions or shapes | . having functions for forming recirculation zones | . with limited shape arrangement or angle of jet holes | ||||||
| FB31 | FB32 | FB33 | FB34 | FB35 | ||||||||
| . Supplied gases | . . Normal air only | . . Oxygen oxygen-enriched air or air with reduced nitrogen contents | . . Air mixed with other components e.g. steam | . . . with exhaust gases | ||||||||
| FB41 | FB42 | FB43 | FB44 | FB47 | FB48 | FB49 | ||||||
| . Kinds of air for combustion | . . Primary air only | . . Secondary or less air | . . Tertiary or higher air | . Means for rotating air supply | . . supplying air tangentially | . . . Cyclonic combustion devices | ||||||
| FB52 | FB53 | FB54 | FB55 | FB56 | FB57 | |||||||
| . . Swirlers or blades | . . . arranged on tops of nozzles e.g. stabilisers | . . . arranged inside nozzles | . . . arranged halfway through air supply passages | . . . adjustable | . . . . in association with dampers | |||||||
| FB61 | FB62 | FB63 | FB65 | FB66 | FB68 | FB69 | ||||||
| . Means for preheating supplied air | . . Heat exchangers with exhaust gases | . . . Regenerative heat-exchangers | . Means for adjusting the quantity of air supplied | . . Dampers or valves | . Cross-section of air-supply passage being variable | . Air supply pipes with limited cross-section or shapes | ||||||
| F23C9/00-9/08;9/08,500-9/08,503 | GA | GA00 RECIRCULATION OF UNCOMBUSTED MATERIAL OR ASH, OR OF EXHAUST GAS |
GA01 | GA02 | GA03 | GA04 | GA05 | GA06 | GA08 | GA09 | ||
| . of uncombusted materials or ash | . . Treatment after collection | . . . Classification | . . . Storage e.g. hoppers | . . . Mixings | . . . . with fuels | . . . Crushing or pulverising | . . . Granulation | |||||
| GA12 | GA13 | GA14 | ||||||||||
| . . Means for recirculation | . . . Fluid transport | . . . . by exhaust gases | ||||||||||
| GA21 | GA22 | GA23 | GA24 | GA26 | GA27 | GA28 | GA29 | GA30 | ||||
| . Recirculation of exhaust gases | . . without divided recirculation passages | . . . Use of eccentric flames | . . . . Formation of eccentric flames by spraying air flow | . . with divided recirculation passages | . . . outside furnaces or combustion chambers | . . . . Form of exhaust-gas supply | . . . . . Nozzles specially adapted for exhaust gases | . . . . . mixed with air for combustion | ||||
| GA32 | GA34 | GA35 | GA36 | GA37 | GA38 | GA39 | ||||||
| . . . . . mixed with fuels | . . . . with installations in circulation passages | . . . . . Heat exchangers | . . . . . Carbon dioxide removers | . . . . . Dust collectors or removers | . . . . . Blowers | . . . . . Valves or dampers | ||||||
| GA42 | GA43 | GA44 | GA46 | GA47 | ||||||||
| . . . . regulating the amount of substances circulated | . . . . . detecting exhaust gas temperatures | . . . . . detecting exhaust gas components | . . . . adding desulfurisation or denitrification agents | . . . . having corrosion-prevention means | ||||||||
| GA52 | GA53 | GA54 | GA55 | GA56 | GA57 | GA58 | GA59 | |||||
| . . . having divided recirculation passages inside furnaces or combustion chambers | . . . . Position of passages | . . . . . inside walls of furnaces or combustion chambers | . . . . . inside burner throats or burner tiles | . . . . . around structures installed inside of furnaces or combustion chambers | . . . . . . having upward flows at the centre | . . . . . . having downward flows at the centre | . . . . . . supplying air from structures installed inside of furnaces or combustion chambers | |||||
| GA62 | ||||||||||||
| . . . . having ejectors using other substances than fuels and primary air |