ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H02P0025098000 Arrangements for reducing torque ripple 1
H02P0025100000 Commutator motors, e.g. repulsion motors 1
H02P0025120000 with shiftable brushes 1
H02P0025140000 Universal motors (H02P0025120000 takes precedence);; 1
H02P0025160000 characterised by the circuit arrangement or by the kind of wiring 1
H02P0025180000 with arrangements for switching the windings, e.g. with mechanical switches or relays 1
H02P0025200000 for pole-changing 1
H02P0025220000 Multiple windings; Windings for more than three phases 1
H02P0025240000 Variable impedance in stator or rotor circuit 1
H02P0025260000 with arrangements for controlling secondary impedance 1
H02P0025280000 using magnetic devices with controllable degree of saturation, e.g. transductors 1
H02P0025300000 the motor being controlled by a control effected upon an ac generator supplying it 1
H02P0025320000 using discharge tubes 1
H02P0027000000 Arrangements or methods for the control of AC motors characterised by the kind of supply voltage (of two or more motors H02P0005000000; of synchronous motors with electronic commutators H02P0006000000; of DC motors H02P0007000000; of stepping motors H02P0008000000) 1
H02P0027020000 using supply voltage with constant frequency and variable amplitude 1