IP Library Granted Patent US 12,218,554
Granted Patent B2
US 12,218,554 · App. 18/452,712 · Granted Feb 4, 2025

Motor

Inventors: Katsunori Sakuragi (Kitasaku-gun, JP); Yoshihito Fujie (Kitasaku-gun, JP); Masahiko Anko (Kitasaku-gun, JP)
Assignee: MINEBEA MITSUMI Inc.
H02K11/33H02K1/04H02K5/16H02K11/30H02K2203/03
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Quick Facts
Patent No.
US 12,218,554
App. No.
18/452,712
Granted
Feb 4, 2025
Kind
B2
Abstract

A motor includes a rotor, a stator, a first substrate, a second substrate, and an electronic component arranged at the second substrate. The stator includes a stator core, an insulator, and a coil wound around the stator core via the insulator. The insulator includes a coupling part connected to an external device. The first substrate is fixed to the insulator. The second substrate is fixed to the first substrate. The first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor.

Claims (28)

1. A motor, comprising:

a rotor;

a stator including a stator core, an insulator, and a coil wound around the stator core via the insulator;

a first substrate arranged at the stator;

a second substrate;

an electronic component arranged at the second substrate, and

a casing, wherein

the first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor,

an annular space surrounding an outer circumference part of the first substrate and an outer circumference part of the second substrate is formed in the casing, and

air passes through the annular space.

2. The motor according to claim 1 , wherein

the second substrate is fixed to the first substrate via a coupling member.

3. The motor according to claim 1 , comprising a coupling member, wherein

the coupling member includes a conductive member configured to electrically connect the coil, the first substrate, and the second substrate.

4. A motor comprising:

a rotor;

a stator including a stator core, an insulator, and a coil wound around the stator core via the insulator;

a first substrate arranged at the stator;

a second substrate including a first surface in a first substrate side and a second surface in the opposite side of the first surface; and

an electronic component arranged at the second substrate, wherein

the first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor,

an annular space surrounding an outer circumference part of the first substrate and an outer circumference part of the second substrate is formed in a casing, and

air passes through the annular space.

5. The motor according to claim 4 , wherein

the second substrate is fixed to the first substrate via a coupling member.

6. The motor according to claim 4 , comprising

a coupling member, wherein

the coupling member includes a conductive member configured to electrically connect the coil, the first substrate, and the second substrate.

Priority Claims (1)
JP 2020-182862 · Oct 30, 2020 · national
Continuity (2)
Continuation 17451505 · Oct 20, 2021
Related Publication 20230402906A1 · Dec 14, 2023
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