ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F23B METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL (for combustion of fuels that are solid at room temperatures, but burned in melted form, e.g. candle wax, C11C0005000000, F23C, F23D; using solid fuel suspended in air F23C, F23D0001000000; using solid fuel suspended in liquids F23C, F23D0011000000; using solid fuel together with fluid fuel or with solid fuel suspended in air, simultaneously or alternately, F23C, F23D0017000000) 1
F23B0010000000 Combustion apparatus characterised by the combination of two or more combustion chambers 1
F23B0010020000 including separate secondary combustion chambers 1
F23B0020000000 Combustion apparatus specially adapted for portability or transportability 1
F23B0030000000 Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber 1
F23B0030020000 with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts 1
F23B0030040000 with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates 1
F23B0030060000 with fuel-supporting surfaces that are specially adapted for advancing the fuel through the combustion zone 1
F23B0030080000 with fuel-supporting surfaces that move through the combustion zone, e.g. with chain grates 1
F23B0030100000 with fuel-supporting surfaces having fuel advancing elements that are movable, but remain essentially in the same place, e.g. with rollers or reciprocating grate bars 1
F23B0040000000 Combustion apparatus with driven means for feeding fuel into the combustion chamber 1
F23B0040020000 the fuel being fed by scattering over the fuel-supporting surface 1
F23B0040040000 the fuel being fed from below through an opening in the fuel-supporting surface 1
F23B0040060000 the fuel being fed along the fuel-supporting surface 1
F23B0040080000 into pot- or trough-shaped grates 1