ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F22B0001080000 the heat carrier being steam 1
F22B0001100000 released from heat accumulators 1
F22B0001120000 produced by an indirect cyclic process 1
F22B0001140000 coming in direct contact with water in bulk or in sprays 1
F22B0001160000 the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour 1
F22B0001180000 the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines (use of waste heat of combustion engines, in general, F02) 1
F22B0001200000 using heat evolved in a solution absorbing steam; Soda steam boilers 1
F22B0001220000 using combustion under pressure substantially exceeding atmospheric pressure 1
F22B0001240000 Pressure-fired steam boilers, e.g. using turbo air compressors actuated by hot gases from boiler furnace 1
F22B0001260000 Steam boilers of submerged-flame type, i.e. the flame being surrounded by, or impinging on, the water to be vaporised 1
F22B0001280000 in boilers heated electrically 1
F22B0001300000 Electrode boilers 1
F22B0003000000 Other methods of steam generation; Steam boilers not provided for in other groups of this subclass 1
F22B0003020000 involving the use of working media other than water 1
F22B0003040000 by drop in pressure of high-pressure hot water within pressure-reducing chambers, e.g. in accumulators (steam accumulators per seF01K0001000000) 1