Accumulator distribution type fuel injection pump
A fuel injection pump and pressure accumulator technology, which is applied in the direction of fuel injection pumps, fuel injection devices, variable displacement pump components, etc., can solve problems such as complex composition, difficulty in ensuring strength, and complex structure, so as to improve reliability and prevent Partial wear, the effect of improving durability and reliability
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[0034] In order to explain the present invention in more detail, it will be described below with reference to the accompanying drawings.
[0035] First, the schematic configuration of the accumulator type distribution type fuel injection pump of the present invention will be described. Such as figure 1 , figure 2 ,with Figure 3 ~ Figure 5 As shown, the fuel injection pump 1 configured as an accumulator distribution type fuel injection pump includes a pressure accumulating chamber 31 for accumulating high-pressure fuel, a plunger 7 for pressure-feeding fuel to the accumulating chamber 31, and a secondary accumulator The fuel pressure delivered by the pressure chamber 31 is distributed and supplied to the distribution shaft 9 of the nozzle 29 of each cylinder and the like.
[0036] The plunger 7 is slidably driven up and down by the cam 5 formed on the camshaft 4 through the plunger 11, and the plunger chamber 7 a formed above the plunger 7 is connected to the accumulating chamber...
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