A fuel tank and control method
A control method and fuel tank technology, applied in engine control, charging system, combustion engine, etc., can solve problems such as loss of fluidity, increase in vehicle cost, and inability to meet usage requirements, so as to reduce vehicle cost and usage. Effect
Active Publication Date: 2022-01-25
WEICHAI POWER CO LTD
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Problems solved by technology
[0003] In the cold winter, the reduction of ambient temperature will cause the high-condensation-point fuel to thicken and lose fluidity, which cannot meet the requirements of use. Although the use of low-condensation-point fuel can overcome environmental problems, it will inevitably increase the cost of the vehicle.
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[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] see figure 1 , figure 1 It is a structural block diagram of a fuel tank connected to a vehicle provided by an embodiment of the present invention. The fuel tank provided by the embodiment of the present invention includes: a main fuel tank 10, an auxiliary fuel tank 20, a fuel supply switching device 30, a fuel return switching device...
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The fuel tank and control method provided by the present invention are applied in the technical field of automobiles. The fuel tank includes a main fuel tank storing high freezing point fuel and an auxiliary fuel tank storing low freezing point fuel. The main fuel tank and the auxiliary fuel tank are in contact with each other, and the auxiliary fuel tank can heat the high The freezing point fuel is also equipped with a fuel supply switching device for switching the connection relationship between the main fuel tank, the auxiliary fuel tank and the vehicle's fuel supply circuit, and an oil return switching device for switching between the main fuel tank, the auxiliary fuel tank and the vehicle's oil return line. The controller obtains the temperature of the high freezing point fuel, If the temperature of high-condensation-point fuel does not meet its own rated operating temperature, low-condensation-point fuel is provided first, and when the temperature of high-condensation-point fuel rises to meet its own rated operating temperature, high-condensation-point fuel is provided. In this scheme, when the high-condensation-point fuel cannot be used, the low-condensation-point fuel is used first. When the high-condensation-point fuel meets the rated operating temperature, the high-condensation-point fuel is used for fuel supply, which can greatly reduce the low-condensation-point fuel. Usage, thereby reducing the cost of using the car.
Description
technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a fuel tank and a control method. Background technique [0002] The freezing point of fuel refers to the temperature at which the fuel gradually thickens and loses fluidity as the temperature decreases, and is an important indicator of the fluidity of the fuel at low temperatures. Low freezing point fuel generally refers to fuel with a lower freezing point, such as -10# fuel and -35# fuel, and high freezing point fuel generally refers to fuel with a relatively higher freezing point, such as 10# fuel. Due to the difference in specific components, the unit price of low pour point fuel is higher than that of high pour point fuel. [0003] In the severe winter, the reduction of ambient temperature will cause the high freezing point fuel to thicken and lose its fluidity, which cannot meet the requirements of use. Although the use of low freezing point fuel can overcom...
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IPC IPC(8): F02D19/06F02M37/00
CPCY02T10/30
Inventor 贾秀民黄继轩张波程领元
Owner WEICHAI POWER CO LTD