Do not know carefully if you find no, in fact, the location of each fuel tank port is not the same, most of the German car tank port location is on the right, such as Volkswagen, Audi and BMW. The fuel tank ports of many Japanese cars are on the left, such as Honda and Toyota. But do you know that the fuel port has left and right? Here I will come to talk about the four factors that determine the tank's mouth.
Body weight
Some vehicle manufacturers are more concerned about the balance of the car's counterweight. For example, in the German BMW, in order to maintain control, BMW always insists on the weight ratio of 50:50 before and after the car. However, if a steering system is added to the front engine, it will make the whole vehicle heavier.
Therefore, most cars will use the rear tank, which means that the tank will be placed under the rear seat. Then with the driver's weight, the fuel tank can be used to balance the difference, so the fuel tank and driver are in a diagonal position, that is, on the right side of the vehicle. The driving positions of the European and Japanese cars are different, which leads to a fuel tank in the right rear tank.
Different directions
In fact, the position of the fuel tank mouth is closely related to the driving direction of different countries. In Germany and Sweden, the vehicle is driving to the right. Mercedes, BMW, Audi, Volkswagen and Volvo have their fuel filling ports on the right. In Japan, the vehicle is driving on the left. Honda and Toyota's models are fueling ports. On the left. However, not all models comply with this rule.
Also, in the early years, people were refueling with oil drums. If you drive to the right and the oil port is on the same side as the driver's seat, you risk running into a vehicle when you are refueling. So from a safety point of view, put the fuel tank port on the opposite side of the driver's seat, which is the diagonal line we mentioned before, so as to avoid accidents when the driver refuels.
safer
The design of the fuel tank port is not only to allow people to easily refuel, but also take into account the key factors of road safety. In the past, people were fueling with oil drums. If the country is on the right, if the oil port is on the same side of the driver's seat, then the risk of being hit by a vehicle will increase when it is refueled.
So from a safety point of view, the designers put the position of the fuel tank on the opposite side of the driver's seat, which is what we called the diagonal, so as to avoid accidents when the driver refuels. .
Gas station order
In fact, the above three all set fuel tank openings from various angles of safety, counterweight, and driving direction, and are not applicable to all countries or all models. In fact, another reason for the left and right sides of the fuel tank opening is to maintain the order of gas stations.
In fact, this is not difficult to understand, because the gas station refueling machine can be both sides of the refueling at the same time, if all the cars are set aside in the opening, then the other side will appear very congested. Of course, everyone's refueling order in the country is rather confusing. You can go in and out, and you can also exchange oil guns. There is almost no such problem, but gas stations in foreign countries are not allowed to run around, and exchanges are not allowed. Gun refueling, this design is especially important in foreign countries. Although this factor is not important in China, it is also one of the factors that designers consider.
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