Fuel pump with electric motor, e.g. for motor vehicle, has several segments of commutator covered by one carbon brush in each rotary position of commutator

摘要

The electric motor (1) has a commutator with segments contacted by carbon brushes (11). Coils (8) are arranged in grooves in an armature and are electrically connected to the segments. One carbon brush covers several segments in each rotary position of the commutator w.r.t. the carbon brushes.