Measures to reduce Metering Errors

The following examples illustrate the implementation of measures to reduce metering errors for a DI CNG injector:

Visualization of needle bouncing: start movie
Needle bouncing during the closing process of an externally opening CNG injector.
Needle bouncing during the closing process of an externally opening CNG injector.
Suppression of needle bouncing during the
closing process: start movie
Suppression of needle bouncing using active flow onto the solenoid valve during the closing process.
Suppression of needle bouncing using active flow onto the solenoid valve during the closing process.

Additional example:


Optimization of fuel distribution

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