Pneumatic Fuel Metering-A New Approach to Advanced Fuel Control 820351

Fuel metering systems for the spark-ignition engine are being developed which demonstrate the advantages of advanced metering systems in both multi-point and in-cylinder formats. The most developed technology, the multi-point manifold format, shows particular promise as being highly cost-effective, having a manufacturing base largely similar to that of carburettors.
Either mechanically or electronically controlled, the system has been shown to deliver fuel sprays with considerably smaller droplet sizes than any known commercial systems, being of particular significance in alcohol fuelling applications.


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