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US 2012/0074820 A1Published application
Electromechanical device, actuator using the same, and motor
AssigneeSeiko Epson Corporation
InventorKesatoshi TAKEUCHI
Life of this patent
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Abstract
An electromechanical device includes a central shaft; a rotor having a rotor magnet disposed along the periphery of the central shaft; a stator disposed on the periphery of the rotor; and a rotation mechanism connected to the rotor and used for transfer of a rotational driving force, wherein in the rotor, between the central shaft and the rotor magnet, a space which opens in at least one of an axial direction of the central shaft and houses at least part of the rotation mechanism is formed.
Claims9
An electromechanical device, comprising:
- a central shaft;
- a rotor having a rotor magnet disposed along the periphery of the central shaft;
- a stator disposed on the periphery of the rotor;
- and
- a rotation mechanism connected to the rotor and used for transfer of a rotational driving force,
- wherein
- in the rotor, between the central shaft and the rotor magnet, a space which opens in at least one of an axial direction of the central shaft and houses at least part of the rotation mechanism is formed.
4 more elements
A motor, comprising:
- a central shaft;
- a rotor having a rotor magnet disposed along the periphery of the central shaft;
- and
- a stator disposed on the periphery of the rotor;
- wherein
- between the central shaft and the rotor magnet, a space which opens in at least one of an axial direction of the central shaft and houses at least part of a rotation mechanism connected to the rotor and used for transfer of a rotational driving force is formed.
3 more elements
Dependencies are inferred from the claim text.