Electro-hydraulic joint control rapid response type high-pressure common rail oil injector
A fast-response, high-pressure common rail technology, used in machines/engines, fuel injection devices, engine components, etc., can solve the problems of not meeting the matching requirements of high-efficiency and energy-saving diesel engines, reducing opening and closing times, and reducing volume and weight. Achieve the effect of improving work stability and reliability, reducing movement fluctuations, and reducing intermediate transmission parts
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Embodiment 1
[0034] Embodiment 1: An electro-hydraulic joint control fast response type high-pressure common rail injector, such as Figure 2-Figure 6As shown, it includes electromagnetic actuator 1, upper spring 2, armature 3, armature seat 4, valve seat 5, lower spring 6, oil nozzle valve body 7, oil nozzle needle valve 8, tight cap 9 and injector body 10. The armature 3 is provided with a sealing cone 31, an iron absorber 32, a guide post 33, an oil holding groove 34 and a spring seat hole 35, the sealing cone 31 is arranged between the iron absorbing body 32 and the guide post 33, and the oil holding groove 34 is arranged On the guide column 33, and located below the sealing cone surface 31, the spring seat hole 35 is arranged at the center of the top surface of the magnet body 32; Channel 43, upper throttle hole 44, guide hole 45, lower oil inlet cavity 46, oil return hole 47, oil return cavity 48 and armature seat hole 49, taper hole surface 42 is coaxially set with guide hole 45, an...
Embodiment 2
[0042] Embodiment 2: The difference from Embodiment 1 is that: the cylindrical surface oil inlet grooves 84 are distributed along the axial line on the cylindrical surface between the guide section 81 and the execution section 83 .
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