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US 2022/0029497 A1Published application
Motor
AssigneeHyundai Mobis Co., Ltd.
InventorsYeong Woo SEO, Hye Seong YANG, Yong Ho KIM, Ui Il JEONG
Life of this patent
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Abstract
A motor includes: a stator including assemblies; and a rotor disposed on one side of the stator. Each of the assemblies includes: a bobbin; a core inserted into the bobbin; and a coil surrounding an outside of the bobbin. The bobbin includes: a main through hole into which the core is inserted; and a sub-through hole disposed in either one of a top surface and a bottom surface on one side of the main through hole. An inner space of the bobbin is communication with the outside of the bobbin through the sub-through hole.
Claims20
A motor, comprising:
- a stator comprising assemblies;
- and
- a rotor disposed on one side of the stator,
- wherein each of the assemblies comprises:
- a bobbin;
- a core inserted into the bobbin;
- and
- a coil surrounding an outside of the bobbin,
- wherein the bobbin includes:
- a main through hole into which the core is inserted;
- and
- a sub-through hole disposed in either one of a top surface and a bottom surface on one side of the main through hole, and
- wherein an inner space of the bobbin is communication with the outside of the bobbin through the sub-through hole.
10 more elements
A motor, comprising:
- a stator;
- and
- a rotor disposed on one side of the stator,
- wherein the rotor comprises:
- a rotor body;
- and
- magnets coupled to the rotor body,
- wherein recessed portions are disposed in an outer surface of the rotor body, and
- wherein a concave-convex section is formed in a surface of each of the recessed portions.
6 more elements
Dependencies are inferred from the claim text.