Patent ID: 11904973
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  H | IPC B  H

Claim 0:
1. A motor unit, comprising:
a motor; and
a gear,
the motor including:
a rotary shaft;
a rotor;
a stator configured to rotate the rotor;
a rotation detector configured to detect rotation position of the rotor, the rotation detector including a sensor magnet configured to rotate along with the rotary shaft and a magnetic sensor configured to detect magnetism of the sensor magnet; and

a control board disposed in a case, the control board configured to control driving of the motor,
the rotary shaft having a projection protruding from the rotor along an axial direction of the rotary shaft,
the motor further having teeth formed on an outer peripheral surface of the projection and being engaged with the gear,
the rotor having
a first portion located around the rotary shaft and fixed to the rotary shaft, and
a second portion located at an end of the rotor and having an inner diameter larger than an inner diameter of the first portion, the end facing the projection, and

the magnetic sensor is packaged on the control board.