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US 11,894,743 B2Granted
Coil assembly and motor including the same
AssigneeHyundai Mobis Co., Ltd.
InventorsMin Mo Koo, Yong Ho Kim
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a coil assembly including: a plurality of unit flat coils disposed and spaced apart from one another in a circumferential direction; and a molding body made by dual injection molding and configured to partially surround the unit flat coils, thereby simplifying a structure of the coil assembly and a process of manufacturing the coil assembly.
Claims13
A coil assembly comprising:
- a plurality of unit flat coils disposed and spaced apart from one another in a circumferential direction;
- and
- a molding body including a structure formed in dual injection molding and configured to partially surround the plurality of unit flat coils,
- wherein the molding body comprises:
- a plurality of unit molding portions disposed on the respective unit flat coils and configured to partially surround the unit flat coils, the plurality of unit molding portions including adjacent unit molding portions that are adjacent to each other in the circumferential direction, each of the adjacent unit molding portions including a plurality of accommodation portions aligned in a radial direction for accommodating the respective unit flat coils;
- and
- a connection portion disposed between the adjacent unit molding portions in the circumferential direction and configured to connect the adjacent unit molding portions of the plurality of unit molding portions to each other in the circumferential direction, and
- opposing sides of the connection portion are integrally formed with both of the adjacent unit molding portions, respectively, in the circumferential direction.
5 more elements
A motor comprising:
- a core comprising a plurality of teeth disposed on an inner circumferential surface of the core and spaced apart from one another with slots disposed between the teeth;
- and
- a coil assembly comprising:
- a plurality of unit flat coils respectively accommodated in the slots;
- and
- a molding body including a structure formed in dual injection molding and configured to partially surround the plurality of unit flat coils,
- wherein the molding body comprises:
- a plurality of unit molding portions disposed on the respective unit flat coils and configured to partially surround the plurality of unit flat coils, the plurality of unit molding portions including adjacent unit molding portions that are adjacent to each other in the circumferential direction, each of the adjacent unit molding portions including a plurality of accommodation portions aligned in a radial direction for accommodating the respective unit flat coils;
- and
- a connection portion disposed between the adjacent unit molding portions in the circumferential direction and configured to connect the adjacent unit molding portions of the plurality of unit molding portions to each other in the circumferential direction, and
- opposing sides of the connection portion are integrally formed with both of the adjacent unit molding portions, respectively, in the circumferential direction.
8 more elements
Dependencies are inferred from the claim text.