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Patent Searching and Data


Title:
MIDDLE DRIVING DEVICE AND ELECTRIC ASSISTED BICYCLE
Document Type and Number:
WIPO Patent Application WO/2023/093050
Kind Code:
A1
Abstract:
The present application belongs to the technical field of electric assisted bicycles, and, in particular, provides a middle driving device and an electric assisted bicycle. The middle driving device comprises: a mounting housing (1), wherein the mounting housing (1) comprises a shell (11), a first end cover (12) and a second end cover (13), the shell (11) is provided with a mounting through slot, and the first end cover (12) and the second end cover (13) are respectively arranged at two ends of the shell (11); and an electric motor (2). The electric motor (2) comprises an electric motor shaft (21), a stator (22), a rotor (23) and a first heat conduction member (24), wherein a first end of the electric motor shaft (21) penetrates the mounting through slot and extends out of the mounting through slot; the stator (22) is sleeved on the electric motor shaft (21) by means of the rotor (23), and the stator (22) is arranged in the mounting through slot; the first heat conduction member (24) fills the space between an inner wall of the mounting through slot and the stator (22), and covers two end faces of the stator (22); and the second end cover (13) is mounted on the end of the mounting through slot away from the first end of the electric motor shaft (21).

Inventors:
ZHANG QIUYANG (CN)
Application Number:
PCT/CN2022/102782
Publication Date:
June 01, 2023
Filing Date:
June 30, 2022
Export Citation:
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Assignee:
GUANGDONG GOBAO ELECTRONIC TECH CO LTD (CN)
International Classes:
H02K9/22; H02K7/116
Domestic Patent References:
WO2001043260A12001-06-14
Foreign References:
CN114142682A2022-03-04
US20210269118A12021-09-02
US20160167529A12016-06-16
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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