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Title:
VEHICLE SPEED CHANGING DEVICE AND METHOD, DRIVING DEVICE, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/087534
Kind Code:
A1
Abstract:
The present invention relates to the field of electric vehicles, and in particular, provides a vehicle speed changing device and method, a driving device, and a vehicle. The vehicle speed changing device comprises: two or more gear shift systems, wherein when gear adjustment is performed on the vehicle speed changing device, the gear of at least one of the gear shift systems is retained unchanged to maintain power output; and a power output shaft which is transmittingly connected to the output ends of the two or more gear shift systems, the structures of two adjacent gear shift systems being symmetrical about the power output shaft. According to the vehicle speed changing device and method, the driving device, and the vehicle provided by the present invention, no power interruption occurs in the gear shifting process of a vehicle.

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Inventors:
REN GUANGFU (CN)
YUAN HAORAN (CN)
GONG LIPING (CN)
WANG ZHENG (CN)
YANG YULONG (CN)
XU SHUANG (CN)
LI PEIZHE (CN)
PAN DONGDONG (CN)
LIN DONGDONG (CN)
LI DAN (CN)
Application Number:
PCT/CN2023/088323
Publication Date:
May 02, 2024
Filing Date:
April 14, 2023
Export Citation:
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Assignee:
GEELY HOLDING GROUP CO LTD (CN)
ZHEJIANG XUANFU AUTOMATIC TRANS CO LTD (CN)
ZHEJIANG REMOTE COMMERCIAL VEHICLE R&D CO LTD (CN)
International Classes:
B60K17/08; B60K17/04; F16H61/686; F16H61/688
Domestic Patent References:
WO2017145878A12017-08-31
Foreign References:
CN115949740A2023-04-11
CN218408478U2023-01-31
CN218094098U2022-12-20
CN106382349A2017-02-08
CN206329700U2017-07-14
CN206600423U2017-10-31
CN113027998A2021-06-25
CN113085541A2021-07-09
CN103912640A2014-07-09
CN203906680U2014-10-29
CN109372960A2019-02-22
Attorney, Agent or Firm:
J.Z.M.C. PATENT AND TRADEMARK LAW OFFICE (GENERAL PARTNERSHIP) (CN)
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