Title:
VALVE BRIDGE ASSEMBLY, IN-CYLINDER BRAKING SYSTEM, AND ENGINE
Document Type and Number:
WIPO Patent Application WO/2020/125011
Kind Code:
A1
Abstract:
Disclosed is a valve bridge assembly (B) for an engine, the valve bridge assembly comprising a valve bridge body (4), wherein an inner side end of the valve bridge body (4) is provided with a main piston mounting hole (41), and a braking piston mounting hole (43) located below the main piston mounting hole (41) and in communication with same; an outer side end of the valve bridge body (4) is provided with an oil discharge assembly mounting hole (44); the valve bridge body (4) is internally provided with a valve bridge oil channel (46) in communication with the piston mounting holes and the oil discharge assembly mounting hole (44); and a main piston assembly (5) is mounted in the main piston mounting hole (41), a braking piston assembly (6) is mounted in the braking piston mounting hole (43), and an oil discharge assembly (7) is mounted in the oil discharge assembly mounting hole (44). An in-cylinder braking system and an engine are further disclosed.
Inventors:
WANG GANG (CN)
XU CHENG (CN)
LI DONG (CN)
XU CHENG (CN)
LI DONG (CN)
Application Number:
PCT/CN2019/097018
Publication Date:
June 25, 2020
Filing Date:
July 22, 2019
Export Citation:
Assignee:
WEICHAI POWER CO LTD (CN)
International Classes:
F01L1/26; F01L13/06
Foreign References:
| CN109356683A | 2019-02-19 | |||
| CN106150589A | 2016-11-23 | |||
| CN101624926A | 2010-01-13 | |||
| CN105351026A | 2016-02-24 | |||
| US20160084122A1 | 2016-03-24 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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