Title:
DOUBLE-MAIN-INJECTING DEVICE OF ENGINE AND CALIBRATION METHOD FOR COLD STARTING PROCESS OF ENGINE
Document Type and Number:
WIPO Patent Application WO/2023/160281
Kind Code:
A1
Abstract:
A double-main-injecting device of an engine and a calibration method for a cold starting process of an engine. The double-main-injecting device of the engine comprises a cylinder piston (1), a cylinder cover (2), a main oil injector (3), and an auxiliary oil injector (4). The cylinder piston is disposed in a cylinder of the engine and is provided with a groove (11); the cylinder cover is disposed above the cylinder piston and defines a combustion chamber (100) with the groove; the main oil injector is disposed on the cylinder cover and is coaxial with the cylinder, and a nozzle of the main oil injector is located in the combustion chamber; the auxiliary oil injector is disposed on the cylinder cover and is arranged at an acute angle with the axis of the cylinder, and a nozzle of the auxiliary oil injector is located in the combustion chamber; and the main oil injector and the auxiliary oil injector are both in communication connection with an ECU.
Inventors:
WANG ZHIJIAN (CN)
LIU XIAOXIN (CN)
HU XIAOYAN (CN)
ZHOU PENG (CN)
GU YUNCHENG (CN)
SUN ZHENYU (CN)
SUN NANNAN (CN)
PANG BIN (CN)
LI WANLI (CN)
LIU XIAOXIN (CN)
HU XIAOYAN (CN)
ZHOU PENG (CN)
GU YUNCHENG (CN)
SUN ZHENYU (CN)
SUN NANNAN (CN)
PANG BIN (CN)
LI WANLI (CN)
Application Number:
PCT/CN2023/071253
Publication Date:
August 31, 2023
Filing Date:
January 09, 2023
Export Citation:
Assignee:
WEICHAI POWER CO LTD (CN)
International Classes:
F02M39/00
Foreign References:
| CN114233544A | 2022-03-25 | |||
| CN112879148A | 2021-06-01 | |||
| CN112879146A | 2021-06-01 | |||
| CN112879149A | 2021-06-01 | |||
| CN112879147A | 2021-06-01 | |||
| US20200011264A1 | 2020-01-09 | |||
| CN113123891A | 2021-07-16 | |||
| JP2010090847A | 2010-04-22 | |||
| CN111636970A | 2020-09-08 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW CO., LTD. (CN)
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