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Patent Searching and Data


Title:
DRIVE UNIT AND ELECTRIC BICYCLE
Document Type and Number:
WIPO Patent Application WO/2022/162892
Kind Code:
A1
Abstract:
The problem of the present invention is to provide a drive unit capable of improving the appearance of the electric bicycle and achieving efficient heat dissipation, and an electric bicycle. A drive unit (4) comprises a motor (43), a drive circuit (42), and a heat dissipation unit (403). The motor (43) generates a driving force to move the electric bicycle (1) forward. The drive circuit (42) drives the motor (43). The heat dissipation unit (403) dissipates heat from the drive circuit (42) and/or the motor (43). The motor (43), the drive circuit (42), and the heat dissipation unit (403) are arranged on a down tube (23) that constitutes the frame (2) of the electric bicycle (1), so as to fit within the projected plane of the cross section of the down tube (23). The heat dissipation unit (403) has an uneven shape.

Inventors:
TANJI YUSUKE
TAMURA HIDEKI
Application Number:
PCT/JP2021/003342
Publication Date:
August 04, 2022
Filing Date:
January 29, 2021
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B62M6/45; B62M6/55; B62M6/90; H05K7/20
Foreign References:
JP2019093904A2019-06-20
JPH08289566A1996-11-01
JP2004168307A2004-06-17
JPH08169383A1996-07-02
JP2018024411A2018-02-15
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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