Patent ID: 6861774

Claim:
An electric blower comprising: a field assembly having a field core with an outer periphery portion being covered with an approximately cylindrical motor frame; an armature assembly located inside the field core, and including an armature core made of a laminated core and housing an armature wiring inside a slot, the armature assembly having an output shaft at a center thereof; an approximately cylindrical motor frame housing the field assembly; a rotary fan fixed to the output shaft; a spool attached to an end surface of the field core; and a field wiring wound across the field core and the spool, characterized in that a gap is provided between a coil end between slots of the field wiring and the field core, the gap being capable of passing air, and a wall surface is mounted to the spool, the wall surface being formed between the field core and the motor frame to narrow an airflow section forming an outer periphery portion of the field wiring.