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Brush motor

專(zhuān)利號(hào)
US11888360B2
公開(kāi)日期
2024-01-30
申請(qǐng)人
MABUCHI MOTOR CO., LTD.(JP Chiba)
發(fā)明人
Tadayuki Wakita
IPC分類(lèi)
H02K13/10; H02K23/26; H02K3/48; H02K3/18; H02K3/38
技術(shù)領(lǐng)域
commutator,magnet,brush,pole,motor,magnetic,θw,θm,rotor,coil
地域: Chiba

摘要

A brush motor includes: a rotor core provided in a rotor; s teeth provided in the rotor core; s concentrated-winding coils with electric wires being respectively wound around the teeth; a commutator provided on the rotor in a relatively non-rotatable manner; c commutator pieces provided in the commutator and connected to the coils; p pairs of magnet magnetic poles provided on a stator and arranged to face the teeth; and a brush that is brought into sliding contact with the commutator pieces to supply a current to the coils, in which 0.5

說(shuō)明書(shū)

According to the brush motor 51 of the third example, similar effects as those of the first example and the second example can be obtained. For example, downsizing can be performed more easily or higher torque can be achieved with the same size as compared with an existing brush motor. In addition, higher torque can be obtained as compared with the brush motors 1 and 41 of the first example and the second example. Further, as compared with the first example and the second example, the pulsation of the torque can be reduced, vibration can be reduced to enhance the controllability.

4. Others

The above examples are merely examples, and there is no intention to exclude applications of various modifications and technologies that are not explicitly described in the present examples. The configurations of the present examples can be variously modified and implemented within a scope not departing from the gist thereof. In addition, the configurations of the present examples can be selected as necessary, or can be appropriately combined with various configurations included in known technologies.

[Description of Reference Signs] 1, 41, 51 brush motor

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1
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