Middle hole pressure storage static leakage-free oil sprayer
A fuel injector and pressure accumulating technology, which is applied to machines/engines, fuel injection devices, engine components, etc., can solve problems such as high requirements for cleanliness, unfavorable mass production of fuel injectors, and complex fuel injector structures. , to achieve better sealing effect, is conducive to precise control, better fuel combustion effect
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[0044] The present invention will be further described below in conjunction with the accompanying drawings.
[0045] like Figure 1-4 As shown, the middle hole pressure accumulating non-static leakage fuel injector of the present invention includes a high-speed solenoid valve, a lock nut 8, a conical ball valve type switch valve, a control plunger couple, a fuel injector spring 17, a spring seat 18, The opening retaining ring 19, the injector body 12, the injector nozzle assembly and the injector tight cap 20; the high-speed solenoid valve is accommodated in the cavity at the upper end of the injector body 12, and is threadedly connected with the upper end of the injector body 12; The high-speed solenoid valve includes an oil return screw 1, a preload adjusting gasket 2, a solenoid valve spring 3, a magnetic head injection molding assembly 4, a solenoid valve needle assembly 6 and an armature return spring 7; the oil return screw 1 and the magnetic head The upper end of the i...
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