Details determine success or failure, Xi'an Cummins fuel-efficient way

For truck drivers, how to save fuel is the most important point in the truck's use. Xi'an Cummins has realized this profoundly. For this aspect Xi'an Cummins has also devoted tremendous human and material resources to the development of new fuel-saving technologies. Some of them may be very clear, for example, EBP's Homo sapiens fuel economy system. However, in addition to these obvious fuel-saving technologies, Xi'an Cummins still has many small details of fuel economy. You may not understand it. Today, Xiao Bian will take you to a detailed understanding of Xi'an Cummins in the end. How far the road has gone.

First, the basic performance comparison - reliability

1. Cylinder block, cylinder head, ECM, control unit, Jiekebo, fuel system, use Cummins global unified procurement system and standard for all parts imported from the United States.

2. Global ownership of more than 100 million units, driving mileage of over 4,000 billion kilometers verified that 1 million kilometers without major repairs.

3. The world’s famous heavy trucks share a common heart: Ten Years, Patek, Volvo, Man, and Volkswagen have used us for 13 years.

4. Production standards, manufacturing processes, and quality processes are all in line with Cummins global standards.

5. Integrated error correction system and assembly control system to ensure zero defects in the entire production process.

6. All data is imported into the Cummins Global Database for analysis and processing to ensure uniformity of quality requirements.

7. Micro-pressure plant, clean production assembly line to ensure the superior quality of the entire process.

Xi'an Cummins work site

Second, product special design - lubrication system.

1. Advanced design technology enables lower oil pressure to ensure lubrication and cooling oil accumulate in the oil sump under the camshaft, thereby reducing oil level in the oil sump; reducing additional power loss. It can effectively prevent “oil immersion in connecting rods” and oil inflating to avoid oil leakage, reduce the risk of oil oxidation failure, and effectively extend the mileage of maintenance intervals.

2. Mechanical oil viscosity sensor: oil viscosity, flow rate; oil viscosity, flow rate. When the oil viscosity is large in winter, the engine lubrication effect is ensured and the engine life is prolonged.

3. Oil temperature thermostat: According to the oil temperature, control the oil flow into the cooler. 106 degrees open, 115 degrees full open, automatically reduce the oil temperature, so that the engine runs at the optimal temperature.

4. Oil bypass valve: When the oil filter resistance reaches 255kPa, the bypass valve is opened, the oil directly enters the main oil bypass valve, and the oil is not filtered, so as to avoid the premature grinding of the engine caused by the customer's maintenance failure.

Xi'an Cummins Engine Appearance

Third, the product special design - fuel system.

1. Maximum injection pressure 1800 bar: 13% higher than competing products, better atomization effect, more complete combustion, oil product adaptability is 3 times that of ordinary common rail products.

2. The fuel system does not need to exhaust: Avoid the fluctuation of the speed caused by the inlet of the oil and the engine cannot start.

3. Electronically controlled gear pump: simple structure and high reliability.

4. The layout of the oil circuit is compact (high pressure is fully integrated in the cylinder head): The potential personal injury risk when repairing similar common rail system is avoided.

5. The use of fuel oil to cool the ECM has a large amount of return oil and a high temperature: it can help cold start longer ECM life and reduce the adverse effects of winter fuel oil knot wax.

Fourth, product special design - cooling system.

1. The integral type water pump is driven by a gear; the short water jacket is designed; the engine cooling system volume is only 9.5L, which can avoid the water jacket variation and engine knocking.

Fifth, product special design - brake system.

1. Braking power up to 326HP, dead weight only 20 kg, maintenance-free for life, greatly improving the braking performance of the vehicle.

2. The flat road braking time test test: The total cargo weight is 40 tons, which is reduced from 90 km/h to 70 km/h. Normal braking: 19.4 seconds, ISM engine braking: 9.6 seconds.

3. The slope braking distance test test: The total cargo weight is 40 tons, the slope is 6%, and the same braking distance. Ordinary car: You can only use 2 steps, 9 kilometers per hour. ISM engine car: You can use 7 files, 51 km/h.

Six, product special design - air management system.

1. The ECM controls the air release valve to control the boost pressure to improve the reaction speed of the boost pressure, improve fuel economy and plateau performance (partial load).

2. The double seal ring design of the supercharger eliminates the risk of oil in the supercharger.

Xi'an Cummins internal structure

Seven, product special design - electronic control system.

1. Engine ECM: Diesel cooling, waterproof, seismic, heat-resistant.

2. Electronic control function: Electronic fan control (reducing fuel consumption and noise); Accelerating management (control vehicle acceleration to reduce fuel consumption).

3. According to the speed of the load control: to improve driving habits, effectively reduce fuel consumption.

4. Low-level operation protection: Improve driving habits, improve high-grade utilization, and effectively reduce fuel consumption.

5. Electronically controlled silicone oil clutch fan: The ECM can automatically monitor and intelligently control the fan speed. And the fan speed can be adjusted according to the actual operating temperature of the engine and the air conditioner compressor condenser. This reduces noise and power consumption of the accessories; allows the engine to operate at the optimum temperature; thus improving fuel economy.

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