Title:
HYDRAULIC SYSTEM FOR TRANSMISSION AND CONTROL METHOD THEREFOR, AND HYBRID VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/093943
Kind Code:
A1
Abstract:
A hydraulic system for a transmission of a hybrid vehicle and a control method therefor, and a hybrid vehicle. The hydraulic system for a transmission comprises an electronic pump, a mechanical pump, a cooling lubricating oil path, and a main pressure oil path, wherein the electronic pump and the mechanical pump are connected to a hydraulic oil tank, an oil outlet of the electronic pump is in communication with the cooling lubricating oil path, and an oil outlet of the mechanical pump is in communication with the main pressure oil path; and the hydraulic system further comprises a flow distribution valve and a pilot pressure-reducing valve, wherein an inlet of the flow distribution valve is in communication with the main pressure oil path, an outlet thereof is in communication with the cooling lubricating oil path, a right end thereof is in communication with the main pressure oil path, and a left end thereof is in communication with the main pressure oil path by means of the pilot pressure-reducing valve.
Inventors:
LI XUSHENG (CN)
Application Number:
PCT/CN2023/127921
Publication Date:
May 10, 2024
Filing Date:
October 30, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
F16H57/04; F15B11/16
Foreign References:
| CN216382530U | 2022-04-26 | |||
| CN108757607A | 2018-11-06 | |||
| CN113757356A | 2021-12-07 | |||
| CN217502555U | 2022-09-27 | |||
| JP2018035900A | 2018-03-08 | |||
| KR20190043802A | 2019-04-29 |
Attorney, Agent or Firm:
INNOTRACK INTELLECTUAL PROPERTY LAW FIRM (CN)
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