Nozzle maintenance

by:DEFUS     2020-05-18
When need cleaning specific choices: — How much fuel injection quantity control: the same type of DianPenChe, gasoline pump pressure is constant, regardless of throttle opening size, as long as through the adjustment of the fuel pressure regulator, the pressure of the nozzle is always constant. Nozzle and the fuel pump and fuel pressure regulator is strictly used, only the design pressure, nozzle can achieve good atomization effect, pressure is lower than the design pressure, spewing oil isn't fog, show columnar, should not be mixed with air; Pressure is too large, spewing oil is in the shape of cone surface is not easy to mix, and the power of the jet is too big, a lot of fuel spray directly onto the wall, directly affect the mixing ratio parameters. Nozzle manufacturers both acceleration and idle speed, the pressure should be constant. Different models of pressure also each are not identical, The advantages of a friend mentioned a few choice, is pressure for different models to choose, not speed up the pressure of the idle speed is different, the error has chosen the injection pressure, nozzle atomizing bad) 。 How much fuel injection quantity, depends on the length of the fuel injection time. Fuel injector according to the control of electromagnetic coil in a different way, divided into voltage driving type and current driven type two kinds. Voltage type nozzle fuel injector manufacturer also points of low resistance and high resistance, high resistance can receive 12 v electricity, low resistance can only receive low voltage, misconnect time slightly longer on the 12 v will burn coil. Fuel injection, the computer provides the voltage is constant, such as 12 v, break oil immediately to 0 v, this change is instantaneous, like the inside of the computer language 0 s and 1 s a concept, not 0. 5. In other words, it's a pulsating direct current signal, not what noun alternating current (ac) and so on. Alternating current (ac) what concept? The positive and negative cross is an alternating current. Like car inside besides generator rectifier part before, generally do not contact with alternating current. When the nozzle clogging, poor injection, or nozzle gap has the carbon deposition and agglutination, can not meet the design of the fuel injection quantity or atomization effect, only need to clean.
The , essentially perfected by enderle fuel injection, is one of the first home appliance to be widely distributed.
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