| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 219 | DF | .~.~ Current collectors {7} |
| 238 | DF | .~.~.~ Fixed structure {2} |
| 248 | ![]() | .~.~.~.~ Brushes {3} |
| 249 | DF | .~.~.~.~.~> With electrical connector |
| 251 | DF | .~.~.~.~.~> Structure (e.g., composite material) |
| 252 | DF | .~.~.~.~.~> With composition feature {1} |