Direct Fuel Injection with Electromagnetic Spill Control—Investigation with the EME-4 Pump 840308

The high cost and complexity of fuel injection pumps are major factors limiting the application of direct fuel injection in internal combustion engines. Recent advances in electronics offer an opportunity for an improvement in this situation. A review and analysis of the electromagnetic spill control concept, in which the pump governor is replaced by solenoid valves, is given. An experimental electromagnetic fuel injection pump and its electronic control system are described, and test results are discussed.


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