Title:
RAIL VEHICLE GEAR BOX, RAIL VEHICLE BOGIE, AND RAIL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/238679
Kind Code:
A1
Abstract:
A rail vehicle gear box, a rail vehicle bogie, and a rail vehicle. The rail vehicle gear box comprises a first-stage gear box (1) connected to a traction motor, and second-stage gear boxes (2) arranged on both sides of the first-stage gear box (1) in a longitudinal direction of the rail vehicle, wherein the first-stage gear box (1) and the second-stage gear boxes (2) are connected to form a frame bearing beam; the first-stage gear box (1) is used for transmitting power from the traction motor to the second-stage gear boxes (2), and the second-stage gear boxes (2) are used for transmitting power from the first-stage gear box (1) to a wheel set of the rail vehicle.
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Inventors:
SONG SHULIANG (CN)
CHANG ZHEN (CN)
ZHANG YUEJUN (CN)
ZHOU JINMING (CN)
LI TIANYI (CN)
CHANG ZHEN (CN)
ZHANG YUEJUN (CN)
ZHOU JINMING (CN)
LI TIANYI (CN)
Application Number:
PCT/CN2020/090833
Publication Date:
December 03, 2020
Filing Date:
May 18, 2020
Export Citation:
Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
International Classes:
B61C9/38; B61F5/52
Foreign References:
| CN110155087A | 2019-08-23 | |||
| CN107128321A | 2017-09-05 | |||
| CN106541823A | 2017-03-29 | |||
| CN105416331A | 2016-03-23 | |||
| CN107499328A | 2017-12-22 | |||
| GB860178A | 1961-02-01 |
Other References:
See also references of EP 3978329A4
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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