ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
F22D0001380000 Constructional features of water and air preheating systems 1
F22D0001400000 Combinations of exhaust-steam and smoke-gas preheaters (for locomotives F22D0001420000) 1
F22D0001420000 specially adapted for locomotives 1
F22D0001440000 Smoke-gas preheaters 1
F22D0001460000 Exhaust-steam preheaters 1
F22D0001480000 Details 1
F22D0001500000 incorporating thermal de-aeration of feed-water (de-aeration produced in the course of direct heat transfer F22D0001280000; thermal de-aeration of water per seB01D0019000000, C02F0001200000; valves for venting F16K0024040000) 1
F22D0003000000 Accumulators for preheated water 1
F22D0003020000 arranged within combustion chambers 1
F22D0003040000 combined with steam accumulators 1
F22D0003060000 directly connected to boilers 1
F22D0003080000 specially adapted for locomotives (locomotive boilers F22B0013060000) 1
F22D0003100000 Control devices (controlling water feed to boilers, or water level F22D0005000000) 1
F22D0005000000 Controlling water feed or water level; Automatic water feeding or water-level regulators (steam traps F16T; measuring or indicating instruments G01; for indicating water level G01F; level control in general G05D0009000000) 1
F22D0005020000 with an intermediate compartment from which the water is fed by gravity after mechanically moving the compartment, the movement being controlled according to water level 1
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