As the saying goes, "Frozen feet are not cold in a day." Xi'an Cummins 's high-efficiency fuel-saving quality is also not achieved overnight. In the previous period, we analyzed in depth the Xikang fuel-saving cheats from the intake system. In this issue, the author will take everyone to explore Xikang's fuel-saving cheats from the fuel system.
The importance of fuel for the engine is like food for the human body. Like the intake of the engine. The quality and quantity of fuel also determine the performance of the engine. In particular, the fuel oil itself has a significant influence on fuel consumption.
Xi'an Cummins
First of all, we still analyze the impact of fuel consumption from the aspect of fuel quality. The engine's work process has already been mentioned in the previous article. We will not repeat them here. We must know that there is not only impurities in the air. There will also be a certain amount of impurities in the fuel, so the engine's filtration system will be required to filter the fuel. If the filtration is insufficient, it will lead to clogging of the fuel injector, poor atomization of the diesel fuel, and incomplete combustion. Over time, the fuel will increase. The consumption. In addition, during the combustion process, the impurities are also ignited and adhere to the inner wall of the combustion chamber to form carbon deposits. This effect is the same as that of the intake impurities. As a result, the fuel consumption rate rises and power decreases.
In response to the problem of fuel filtration, Xi'an Cummins adopted the Fleetguard FS 1003 filter. Its 10-micron Stratapore filter multi-layer filtration technology was specifically designed for protective parts, and the filtration efficiency was as high as 98.7%. In this way, almost all the impurities are filtered out, which can provide a highly clean combustion environment for the cylinder. The Cummins patented Celect fuel control system is also highly adaptable to fuel quality. It allows 10 micron impurities and the common-rail system requires 3 micrometers. Therefore, a small amount of impurities are not filtered in time, and there is no need to worry about plugging.
In addition to impurities in the fuel quality, the most important issue is the moisture content of diesel. Due to refining process and other reasons, diesel oil contains a small amount of water is inevitable, but we do not care about the impact of water on the engine. If the engine is in a state of water-containing combustion for a long time, it will not only affect the fuel consumption, but will also affect the service life of the engine. Therefore, the filtration of water must be harsh, harsh, and harsh.
The fuel filter provided by Xi'an Cummins can effectively separate oil and water, and 85% of the fuel can be effectively separated. Ensure that the moisture contained in the fuel will not affect the normal operation of the engine. At the same time, when the separated water level reaches a certain value, the ECM will send an instruction message to prompt the operator to discharge water.
We all know that if people eat less, they will be hungry and eat too much to be indigestible (nonsense!). Like the engine, the fuel has less power, and the fuel burns incompletely. Xi'an Cummins Engine adopts Culects patented Celect fuel control system, high injection pressure, atomization, maximum injection pressure of 1800bar, high-pressure atomization and precise injection of diesel oil in the cylinder to ensure full combustion of fuel. The electronic control system integrates the high-capacity CM570 electronic control module and the INTERACT electronic control system. It has more than 100 automatic control functions, and significantly improves engine fuel economy, power, handling and environmental protection.
In terms of the overall design layout of the fuel system, Xi'an Kangming Engine has perfected every aspect of the combustion process. Firstly, the center position of the injector cylinder is arranged, and the multi-hole injectors, the Cumming combustion chamber of Cummins patented technology, can achieve the best atomization of the fuel, and the central injection facilitates the uniform combustion of the fuel. Inlet and return oil injectors are integrated in the cylinder head, which not only reduces the risk of fuel leakage, but also makes the appearance of the whole machine simple and easy to maintain.
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