Study on gasoline evaporation of traditional carburetor engine

Especially when the ambient temperature is very high, the air in the space above the oil level in the oil drum contains a very high proportion of gasoline. Once the lid of the oil drum is opened, this part of air with high oil content will come out and take away a lot of gasoline. The air in plateau area is thin. When water is boiled below 100, it will boil. Similarly, gasoline is more unstable.

It will be easier for you to understand the principle of gasoline consumption in containers by explaining this phenomenon: high temperature in midsummer, the fuel supply system of gasoline vehicles, from the fuel tank to the fuel pipe, to the filter, through the oil pump, to the fuel pipe and to the carburetor. Along the way, gasoline is absorbing heat from the pipe wall. When the temperature is above 35 degrees and the engine is hot-baked, the gasoline in the system is first gasified by the nearest oil layer on the pipe wall.

The higher the temperature, the more serious the gasification. As a result, the quality of gasoline sprayed from the fuel injection hole of the carburetor decreases, and even before reaching the carburetor, the gas content in the oil circuit increases. It should be noted that liquids are incompressible, but gases are compressible. No matter how the gasoline pump works, the oil supply will be interrupted every time. This is the mechanism of "air blocking". Depending on the degree of air blockage, the engine will be unstable, boring, or even shut down.

Solution:

1) Ensure that the cooling system functions normally, the cooling water is sufficient, the fan belt does not slip, and the radiator of the water tank is not blocked by oil, mosquitoes and sundries.

2) Use air conditioning system as little as possible to reduce engine load.

3) The oil supply pipe should not be close to the engine as far as possible, and the installation gasket of the oil transfer pump should be insulated with asbestos pad and properly thickened.

4) When the car breaks down due to air resistance, get off immediately, open the hood to let the engine dissipate heat, and flush the gasoline pump and pipelines on both sides with standby water to cool it down.

If necessary, use a manual oil pump to drain oil and gas.