Title:
TWO-GEAR BRIDGE DRIVING SYSTEM AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/008596
Kind Code:
A1
Abstract:
A two-gear bridge driving system. A speed changer of the two-gear bridge driving system comprises a dual-planetary gear mechanism, the dual-planetary gear mechanism comprises only one sun gear (SU), the sun gear (SU) is fixed with respect to a speed changer input gear, and the sun gear (SU) and one planetary gear (PG) in the dual gear are always in an engagement state. Compared with the two-gear bridge driving system in the prior art, the two-gear bridge driving system in the present invention is simpler in structure, lower in costs, and slighter in weight, and good NVH control is easily achieved. Also provided is a vehicle comprising the two-gear bridge driving system.
Inventors:
LIU LEI (CN)
LI QINGQUAN (CN)
LI QINGQUAN (CN)
Application Number:
PCT/CN2020/102550
Publication Date:
January 21, 2021
Filing Date:
July 17, 2020
Export Citation:
Assignee:
SCHAEFFLER TECHNOLOGIES AG (DE)
LIU LEI (CN)
LIU LEI (CN)
International Classes:
B60K17/04; F16H37/08
Foreign References:
| US9435415B2 | 2016-09-06 | |||
| CN2276904Y | 1998-03-25 | |||
| DE102017111036A1 | 2018-11-22 | |||
| CN105333084A | 2016-02-17 | |||
| CN204749860U | 2015-11-11 |
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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