Needle valve pair with forced lubrication and cooling
A forced lubrication, needle valve technology, applied in engine components, machines/engines, charging systems, etc., can solve problems such as poor atomization, energy waste, environmental pollution, etc., and achieve the effect of novel structure and significant social benefits
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[0009] exist figure 1 In the specific embodiment shown, the valve body 1 processed with the oil inlet passage 5 is loaded into the valve core 2, and a spiral oil groove 4 is processed on the circumferential surface guided by the valve core 2, corresponding to the spiral oil groove 4. A pressure equalizing groove 3 communicating with the spiral oil groove 4 is opened at the center of the valve body 1 so that the pressure equalizing groove 3 communicates with the oil inlet passage 5 .
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