ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
F03B0015180000 for safety purposes, e.g. preventing overspeed 1
F03B0015200000 specially adapted for turbines with jets of high-velocity liquid impinging on bladed or like rotors (nozzles F03B0001040000) 1
F03B0015220000 for safety purposes 1
F03B0017000000 Other machines or engines 1
F03B0017020000 using hydrostatic thrust 1
F03B0017040000 Alleged ; perpetua mobilia 1
F03B0017060000 using liquid flow, e.g. of swinging-flap type 1
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS (positive-displacement engines for liquids and elastic fluids F01; positive-displacement machines for liquids F04; fluid-pressure actuators F15B; fluid gearing F16H) 1
F03C0001000000 Reciprocating-piston liquid engines 1
F03C0001007000 with single cylinder, double-acting piston 1
F03C0001013000 with single cylinder, single-acting piston 1
F03C0001020000 with multiple cylinders, characterised by the number or arrangement of cylinders (with movable cylinders F03C0001220000; of flexible-wall type F03C0007000000) 1
F03C0001030000 with movement in two directions being obtained by two single-acting piston liquid engines, each acting in one direction 1
F03C0001040000 with cylinders in star- or fan-arrangement 1
F03C0001047000 the pistons co-operating with an actuated element at the outer ends of the cylinders 1