The working principle of automobile injector is: high pressure oil through the injector oil supply port pump into the injector body produces high pressure to the injector nozzle cone, when the oil pressure exceeds the adjusted value of the injector nozzle spool open, high-pressure oil from the nozzle holes sprayed out in the form of a mist to the engine cylinder combustion, so that the piston reciprocating operation. Automobile injector by the injector body, injector nozzle, support and spring components
Its classification is:
1, shaft-needle electromagnetic injector;
2, ball valve type electromagnetic injector;
3, piece valve type electromagnetic injector;
4, the lower part of the fuel injector. The role of automotive injectors: according to the engine ecu calculated injection timing and pulse width, to the intake manifold or cylinder fuel injection.
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