Motor with sensor coil
AssigneeLG Innotek Co., Ltd.
InventorsDae Gil Byeon, Young Dae Park
Life of this patent
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Abstract
An embodiment may provide a motor including a shaft, a rotor including a rotor core and a coil disposed on the rotor core, a stator disposed outside the rotor, a substrate electrically connected to the coil, and a first housing in which the substrate is disposed and which is coupled to the shaft and the rotor, wherein the substrate includes a sensor and a coil connected to the sensor, the first housing includes a hole, the stator includes a yoke and a magnet disposed on the yoke, the yoke includes a plurality of protrusions, and the protrusions and the hole are disposed to overlap the coil in an axial direction.
Claims10
A motor comprising:
- a shaft;
- a rotor including a rotor core and a first coil disposed on the rotor core;
- a stator including a yoke and a magnet disposed on the yoke;
- a substrate electrically connected to the first coil;
- and
- a first housing coupled to the rotor,
- wherein
- the rotor is disposed in the stator,
- the substrate includes a sensor and a second coil connected to the sensor,
- the first housing includes a hole,
- the yoke includes a plurality of protrusions, and
- the protrusions and the hole are disposed to overlap the second coil in an axial direction.
A motor comprising:
- a second substrate;
- a stator disposed on the second substrate;
- a rotor disposed above the stator;
- and
- a first substrate disposed between the stator and the rotor;
- a coil disposed on the first substrate;
- and
- a connecting member electrically connecting the first substrate and the second substrate,
- wherein
- the rotor includes a first housing and a plurality of protrusions protruding from the first housing,
- the plurality of protrusions and the coil overlap in a vertical direction,
- the first substrate includes an opening disposed inside the coil.
Dependencies are inferred from the claim text.