China Electronic Fuel Injection (EFI) Technique Report, 2015
Abstract: A number of heavy-duty diesel engine suppliers have created their own electronic fuel injection systems. This technique was employed on the hot bulb engine and was adapted and improved by Bosch and Clessie Cummins for use on diesel engines ( Rudolf Diesel ‘s original method employed a cumbersome ‘air-blast’ technique making use of highly compressed air citation required ). Fuel injection was in widespread industrial use in diesel engines by the mid-1920s. The fuel injector injects liquid fuel into the intake air (the location of the fuel injector varies between systems).
The open loop fuel injection systems had currently enhanced cylinder-to-cylinder fuel distribution and engine operation more than a wide temperature range, but did not present further scope to enough control fuel/air mixtures, in order to additional decrease exhaust emissions. Single-point injection (SPI) makes use of a single injector at the throttle physique (the same place as was employed …
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