ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F23N REGULATING OR CONTROLLING COMBUSTION (control devices specially adapted for combustion apparatus in which combustion takes place in a fluidised bed of fuel or other particles F23C0010280000; condition responsive controls for regulating combustion in domestic stoves with open fires for solid fuel F24B0001187000) 1
F23N0001000000 Regulating fuel supply 1
F23N0001020000 conjointly with air supply 1
F23N0001040000 conjointly with air supply and with draught 1
F23N0001060000 conjointly with draught 1
F23N0001080000 conjointly with another medium, e.g. boiler water 1
F23N0001100000 and with air supply or draught 1
F23N0003000000 Regulating air supply or draught (conjointly with fuel supply F23N0001000000) 1
F23N0003020000 Regulating draught by direct pressure operation of single valves or dampers 1
F23N0003040000 by operation of single valves or dampers by temperature-sensitive elements 1
F23N0003060000 by conjoint operation of two or more valves or dampers (F23N0003080000 takes precedence);; 1
F23N0003080000 by power-assisted systems 1
F23N0005000000 Systems for controlling combustion (F23N0001000000, F23N0003000000 take precedence);; 1
F23N0005020000 using devices responsive to thermal changes or to thermal expansion of a medium 1
F23N0005040000 using bimetallic elements 1