公开(公告)号：US20150276042A1

公开(公告)日：2015-10-01

申请号：US14228201

申请日：2014-03-27

Applicant: Shimano Inc.

Inventor： Yusuke NISHIKAWA

IPC: F16H57/04 ,  B62M1/36 ,  B62M6/55

CPC classification number: F16H57/0416 ,  B62M1/36 ,  B62M6/55 ,  Y10T74/2189

Abstract: A bicycle drive unit includes a housing, a motor, a crank axle, and at least one fin member. The motor is disposed within the housing. The crank axle is rotatably supported relative to the housing about a first rotational axis. The fin member is rotatably arranged relative to the housing. The fin member is operatively coupled to the crank axle to rotate and to generate an air flow within the housing in response to rotation of the crank axle.

Abstract translation: 自行车驱动单元包括壳体，马达，曲柄轴和至少一个翅片构件。 电机设置在外壳内。 曲柄轴相对于壳体围绕第一旋转轴线可旋转地支撑。 翅片构件相对于壳体可旋转地布置。 翅片构件可操作地联接到曲柄轴以响应于曲柄轴的旋转而旋转并且在壳体内产生空气流。