Definition of Injector
Release time:
2025-07-16
The injector nozzle itself is a normally closed valve (normally closed valve means that the valve is always
The injector nozzle itself is a normally closed valve (normally closed valve means that the valve is always closed when there is no input control signal; while normally open valve means that the valve is always open when there is no input control signal), which is controlled by a needle moving up and down to open and close the valve. When the ECU sends a command to inject oil, its voltage signal will make the current flow through the coil inside the injector nozzle, generating a magnetic field to suck up the valve needle, so that the valve opens so that the oil can be sprayed out from the injection hole. The biggest advantage of fuel injection is that the fuel supply is controlled very accurately, so that the engine can have the correct air-fuel ratio in any state, not only to keep the engine running smoothly, but also its exhaust gas can comply with the norms of environmental protection regulations.
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