Method for operating a fuel system of an internal combustion engine
A fuel system and internal combustion engine technology, applied in the direction of charging systems, fuel injection pumps, fuel injection devices, etc., can solve the problems of high-pressure pump no delivery, high fuel temperature, etc., and achieve the effect of improving durability and improving durability
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[0034] figure 1 The fuel system 1 of an internal combustion engine is shown in an extremely simplified schematic diagram. A fuel tank 9 is connected to a fuel pump 3 via a suction line 4 , a forward delivery pump 5 and a low-pressure line 7 . A high-pressure accumulator 13 (“common rail”) is connected to the fuel pump 3 via a high-pressure line 11 . The high-pressure line 11 and the high-pressure accumulator 13 together form a pressure region 16 of the fuel system 1 . A solenoid-actuated on-off valve 14—referred to below as valve unit—and a solenoid-actuated device 15—referred to below as solenoid 15—are hydraulically arranged at the low pressure between prefeed pump 5 and fuel pump 3 In the distribution area of the catheter. Electromagnet 15 is controlled by a computer program 8 of a control and / or regulating device 19 using characteristic diagram 6 . Furthermore, the fuel pump 3 includes a cam 17 arranged on the drive shaft 10 which moves a piston 18 vertically in the ...
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