| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 92 | DF | .~.~ Torque-transmitting clutches or brakes {6} |
| 103 | DF | .~.~.~ Magnetic field type {2} |
| 105 | ![]() | .~.~.~.~ Induced or eddy current type {2} |
| 106 | DF | .~.~.~.~.~> Magnetic reluctance feature |
| 107 | DF | .~.~.~.~.~> With collection means for induced current {1} |