Title:
ELECTRIC DRIVE TRANSMISSION SYSTEM AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/055631
Kind Code:
A1
Abstract:
Disclosed in the present application are an electric drive transmission system and a vehicle. The electric drive transmission system comprises an electric motor assembly, a differential and at least one first reducer, wherein the electric motor assembly further comprises an electric motor shaft connected to the differential; and the first reducer comprises a first housing and a first input shaft arranged on the first housing, the first input shaft being connected to the differential, and the first input shaft being a hollow shaft and comprising a hollow oil circuit. The electric drive transmission system further comprises a first lubricating oil circuit system, which is arranged on the first housing and comprises a first oil pipe assembly in communication with the hollow oil circuit, wherein a plurality of oil injection holes are further formed in the first oil pipe assembly at intervals, and the oil injection holes are arranged in the connections between the first input shaft, the differential and the first housing. In this way, according to the present application, the efficiency loss of a transmission mechanism during a lubrication process can be reduced.
Inventors:
YANG YIFAN (CN)
ZHANG HAO (CN)
YAO WEIKE (CN)
SONG JIANJUN (CN)
ZHANG HAO (CN)
YAO WEIKE (CN)
SONG JIANJUN (CN)
Application Number:
PCT/CN2023/096415
Publication Date:
March 21, 2024
Filing Date:
May 25, 2023
Export Citation:
Assignee:
ZHEJIANG LEAPPOWER TECH CO LTD (CN)
ZHEJIANG LEAPMOTOR TECH CO LTD (CN)
ZHEJIANG LEAPMOTOR TECH CO LTD (CN)
International Classes:
B60K17/16; B60K1/00
Foreign References:
| CN115076347A | 2022-09-20 | |||
| CN115195460A | 2022-10-18 | |||
| CN215861676U | 2022-02-18 | |||
| KR20200035641A | 2020-04-06 | |||
| US20180112755A1 | 2018-04-26 | |||
| CN113669435A | 2021-11-19 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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