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Vehicle fuel supply system

A technology for fuel supply and automobiles, which is applied in charging systems, liquid fuel feeders, engine components, etc., and can solve problems such as energy waste in fuel supply systems

Inactive Publication Date: 2016-11-23
SAIC-GM-WULING AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention is completed in order to solve the deficiencies in the prior art. The purpose of the present invention is to provide a simple structure, low cost, which can control the pump quality of the electric fuel pump according to the needs of the engine, and has high control sensitivity and good reliability. , an automotive fuel supply system that effectively saves energy and solves the problem of energy waste in the fuel supply system

Method used

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Embodiment Construction

[0026] The following with attached Figure 2 to Figure 4 A kind of automobile fuel supply system of the present invention is described in further detail.

[0027] A kind of automobile fuel supply system of the present invention, please refer to Figure 2 to Figure 4 , including an engine 2, a pressure regulator 8, an electric fuel pump 5 and a fuel tank 6, the electric fuel pump 5 is located in the fuel tank, the engine 2 communicates with the pressure regulator 8, and the pressure regulator 8 communicates with the electric fuel pump 5 through the oil inlet pipe 3, an accumulator 10 and a rheostat 9 are connected between the engine 2 and the electric fuel pump 5, the accumulator 10 is connected with the rheostat 9, and the One end of the accumulator 10 communicates with the engine 2 , and the other end of the rheostat 9 is electrically connected with the electric fuel pump 5 to form a circuit. In this way, the electric fuel pump 5 pumps fuel from the fuel tank 6 to the engin...

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Abstract

The invention discloses a vehicle fuel supply system which comprises an engine, a pressure regulator, an electric fuel pump and a fuel tank; the electric fuel pump is positioned in the fuel tank; the engine communicates with the pressure regulator; the pressure regulator communicates with the electric fuel pump through a fuel inlet tube; an energy accumulator and a rheostat are connected between the engine and the electric fuel pump; the energy accumulator is connected to the rheostat; one end of the energy accumulator communicates with the engine; and other end of the rheostat is electrically connected to the electric fuel pump to form a loop. The vehicle fuel supply system is simple in structure and is low in cost, can control fuel pump capacity of the electric fuel pump according to needs of the engine, is high in control flexibility, is good in reliability, effectively saves energy, and solves the problem that energy of the fuel supply system is wasted.

Description

technical field [0001] The invention relates to an automobile engine system, in particular to an automobile fuel supply system. Background technique [0002] At present, the automobile fuel supply system can be divided into two types: oil return system and non-oil return system according to the oil return method. Please refer to figure 1 , in the system with oil return, the electric fuel pump 5 provides a fixed value of fuel delivery under each working condition. After the fuel enters the fuel guide rail 1 from the oil inlet pipe 3, the unused fuel will return to the fuel tank through the oil return pipe 7 6. Since the electric fuel pump 5 of this system pumps oil according to the maximum fuel demand, most of the fuel will return to the fuel tank 6 through the oil return pipe 7, and most of the energy will be wasted. The cost of this fuel supply system is relatively low, and most low-end and middle-end models currently use a fuel supply system with a fuel return line; in a...

Claims

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Application Information

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IPC IPC(8): F02M37/10F02M37/00
Inventor 朱亮韦宝侣黄东凯余泳泉
Owner SAIC-GM-WULING AUTOMOBILE CO LTD
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