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US 2008/0157611 A1Published application
Vibration motor
AssigneeSamsung Electronic Co., Ltd.
InventorHyun-Seung Ki
Life of this patent
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Abstract
A vibration motor that includes a base and a case which form an internal space, a shaft rotatably inserted in the base and the case, a rotor inserted onto the shaft and configured to rotate, which includes multiple wound coils and a commutator connected to the wound coils, a weight attached to a lower surface of the rotor, a brush which is in contact with the commutator and which is positioned on the base, and a magnet facing the rotor, can increase vibration and reduce electrical consumption during operation.
Claims10
A vibration motor comprising:
- a base and a case forming an internal space;
- a shaft rotatably inserted in the base and the case;
- a rotor inserted onto the shaft and configured to rotate, the rotor comprising a plurality of wound coils and a commutator connected to the wound coils;
- a weight attached to a lower surface of the rotor;
- a brush in contact with the commutator and positioned on the base;
- and
- a magnet facing the rotor.
4 more elements
Dependencies are inferred from the claim text.