Motor unit for use in electric bicycles, and electric bicycle

A motor unit for use in electric bicycles, the motor unit comprising: a motor having a rotary shaft; a unit case to house the rotary shaft partially; an input shaft arranged in the unit case to penetrate through the unit case and to be rotatable around an axis; an input body configured to rotate alo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Yamaguchi, Takehiro, Adachi, Ryohei, Nishimori, Masato, Kawakami, Masafumi, Umegaki, Fuhito
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A motor unit for use in electric bicycles, the motor unit comprising: a motor having a rotary shaft; a unit case to house the rotary shaft partially; an input shaft arranged in the unit case to penetrate through the unit case and to be rotatable around an axis; an input body configured to rotate along with the input shaft; an output body configured to rotate around the axis upon receiving rotational force of the input body; and a control board housed in the unit case and configured to control rotation of the motor. The unit case includes: a first heat dissipating portion connected to a first surface of the control board; and a second heat dissipating portion connected to a second surface opposite from the first surface of the control board.