How to choose the rail diameter of 1.5T oil to gas injection?

1.5T oil to gas injection rail diameter is only 1.4 nozzle hole. Its principle is to inject compressed natural gas into the air rail or cylinder regularly and quantitatively according to the injection timing and pulse width (injection quantity) calculated by ECU control strategy under different working conditions of the engine.

Starting principle of gas vehicle

The starting principle of gas vehicles is consistent with that of gasoline vehicles. When the engine of a natural gas vehicle is started, natural gas will be introduced into the fuel from the gas cylinder through the hose, and near the engine, natural gas will enter the pressure regulator to reduce the pressure. The natural gas stored in the high-pressure gas cylinder is decompressed and sent to the mixer, and the fuel is mixed with air in the mixer of the four-stroke engine.

Sensors and computers will adjust the mixture of fuel and air so that when the spark plug ignites natural gas, the combustion is more efficient. Then, the natural gas will enter the multi-point sequential injection rail, which will introduce the gas into the cylinder and still use the spark plug in the original gasoline engine ignition system for ignition.

The main technologies of gas vehicles include: fuel storage containers (aluminum-based composite materials, carbon fiber reinforced plastic materials, the weight of which is 30-50% of the weight of steel cylinders), storage and transportation, gas filling station equipment and technology; Supply system and mixed combustion technology; Gas injection system and closed-loop control technology; Electronically controlled injection technology, supercharged intercooling technology, four-valve technology and lean combustion technology are widely used in internal combustion engines, which can reduce the power loss of gasoline engines by no more than 10%.

In line with the principle of gasoline vehicles. When the engine of a natural gas vehicle is started, natural gas will be introduced into the fuel from the gas cylinder through the hose, and near the engine, natural gas will enter the pressure regulator to reduce the pressure. The natural gas stored in the high-pressure gas cylinder is decompressed and sent to the mixer, and the fuel is mixed with air in the mixer of the four-stroke engine.

Sensors and computers will adjust the mixture of fuel and air so that when the spark plug ignites natural gas, the combustion is more efficient. Then, the natural gas will enter the multi-point sequential injection rail, which will introduce the gas into the cylinder and still use the spark plug in the original gasoline engine ignition system for ignition.