Internal-combustion engine alternating spray hole type nozzle with perturbing zone
A disturbance zone, internal combustion engine technology, applied in engine components, machines/engines, fuel injection devices, etc., can solve problems such as reliability decline and increase in fuel pump power consumption, and achieve improved fuel atomization, fast combustion, and good economic performance. Effect
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[0014] figure 1 Shown is a cross-nozzle nozzle with a disturbance zone for an internal combustion engine. It consists of a needle valve body 1 and a needle valve 2. The head of the needle valve body 1 is provided with a cross nozzle 3 with a disturbance zone. It is formed by the intersection of two sub-nozzle holes 4.
[0015] The cross-type nozzle hole 3 with disturbance zone can have a variety of different structural forms: its nozzle outlet shape factor, the combination of the nozzle hole 4 and the disturbance zone 5 is different, and may have many different shapes. figure 2 Shows an outlet shape of a circular cross-type nozzle 3a, image 3 , 4 It is shown that the outlet shape is a non-circular cross-type nozzle 3b.
[0016] The cross nozzle 3 with a disturbance zone, the disturbance zone 5 is formed by removing part of the entity in the intersection area of the sub-spray holes, such as processing into blind holes, and its structure can have various forms. figure 2 , 3 T...
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