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| 3K056 | Nozzles for spraying of liquid fuel | |
| F23D11/36 -11/38@Z | ||
| F23D11/36-11/38@J;11/38@Z | AA | AA00 PURPOSE AND EFFECT OF IMPROVEMENTS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Improvement of durability and improvement of resistance to abrasion | . Prevention of clogging and ease of cleaning | . Improvement of ignition | . Control of noise during combustion | . Control of smoke and bad odors | . Control of nitrous oxides (NOx), sulfur oxides (SOx), and carbon monoxide (CO) | . Prevention of overheating of nozzle parts and cooling of nozzle parts | . Improvement of atomization of liquid fuels | . Prevention of uneven spray or variations in spray quantity and prevention of pulsation combustion | . Others | |||
| AB | AB00 CLAIM |
AB01 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | AB10 | ||
| . Numeric limits and ranges | . Limitation of use | . . Boilers | . . Incinerators | . . . Incineration of waste oil or waste liquid | . . Gas turbines | . Limitation of materials and material qualities | . . Ceramics | . . Catalysts | ||||
| AC | AC00 TYPES OF SPRAYED MEDIA |
AC01 | AC03 | AC05 | AC07 | AC09 | ||||||
| . Air and oxygen | . Steam | . Water | . Gases and fuel gases | . Others | ||||||||
| AD | AD00 TYPES OF FUEL |
AD01 | AD02 | AD04 | AD05 | AD07 | AD09 | |||||
| . Fuel oils (e.g., heavy fuel oil, light fuel oil, or kerosene) | . Waste oils | . Slurries or coal and oil (e.g., coal-water mixtures [CWM]) | . Water and oil or coal and oil (e.g., coal-oil mixtures [COM]) | . Unidentified types of liquid fuels | . Others | |||||||
| AE | AE00 NOZZLE COOLING MEANS |
AE01 | AE03 | AE05 | AE07 | |||||||
| . Use of air for cooling | . Use of water for cooling | . Use of steam for cooling | . Others | |||||||||
| F23D11/38@A-11/38@C | BA | BA00 STRUCTURE OF NOZZLES USING EXTERNAL MIXING |
BA01 | BA03 | BA04 | BA05 | BA06 | BA08 | BA10 | |||
| . Nozzles that can adjust the quantity sprayed | . Formation of rotary flames | . . Arrangement of rotation mechanisms near or on the upper sides of the spray holes | . . . Inclination of each spray hole so as to form a rotary flow | . . Arrangement of rotation mechanisms on the lower side of spray holes | . Mutually crossing or colliding sprays | . Sprays that are diffused by means of shielding plates | ||||||
| F23D11/38@E;11/38@F;11/38@Z | CA | CA00 STRUCTURE OF NOZZLES USING INTERNAL MIXING |
CA01 | CA02 | CA03 | CA04 | CA06 | CA07 | CA09 | |||
| . Formation of a rotary flow inside of a mixing chamber | . . Formation of a rotary flow inside the spray holes of nozzles using partial mixing | . Detachable nozzle chips and caps | . Processing or treatments for the inner surface of nozzle chips and nozzle caps | . Formation of spray holes by means of separate members (e.g., sleeves) | . . Detachable members | . Processing and treatments for the inner surface of spray holes | ||||||
| CA11 | CA12 | CA14 | ||||||||||
| . Nozzle pipes with a central oil-flow (e.g., the center tube of a double pipe is an oil-flow route) | . Nozzle pipes with an outer oil-flow (e.g., the outside tube of a double tube is an oil-flow route) | . Three-fluid nozzles (e.g., spraying of oil, air, and slurry) | ||||||||||
| CB | CB00 FORMS OF SPRAYING MIXED GASES |
CB01 | CB03 | CB04 | CB06 | CB07 | ||||||
| . Adjustment of quantity of mixed-gas spray | . Formation of rotary flames | . . Inclination of each spray hole so as to form a rotary flow | . Diffusion spray | . . Inclination of multiple spray holes in the direction of diffusion | ||||||||
| F23D11/38@G | DA | DA00 LOW-PRESSURE AIR-NOZZLE STRUCTURES |
DA01 | DA03 | DA05 | DA06 | ||||||
| . Adjustment of the quantity of air supplied | . Adjustment of the quantity of fuel supplied | . Secondary air supply | . . Secondary and tertiary air supply | |||||||||
| F23D11/38@H;11/38@J | EA | EA00 PRESSURIZED NOZZLE STRUCTURES |
EA01 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA10 | ||
| . Formation of rotary flames | . Adjustment of quantity of fuel sprayed | . . Variable nozzle spray holes | . . Variable supply of fuel to the nozzles | . Valves for opening and closing of the spray hole | . . Spherical valves for opening and closing of the spray hole | . Fuel filters | . Nozzles equipped with electric heaters | |||||
| F23D11/38@K | FA | FA00 SHAPES OF RETURN NOZZLES |
FA01 | FA02 | FA05 | |||||||
| . Return of fuel oil to the interior of the nozzle pipe | . . Return to the center of pipes (e.g., center of double pipes) | . Others | ||||||||||
| F23D11/38@L | GA | GA00 SPRAY HOLE CLEANING MEANS |
GA01 | GA02 | GA03 | GA05 | ||||||
| . Use of needles for cleaning | . . Use of rotary needles for cleaning | . Use of air or steam spraying for cleaning | . Others |