Electro-fluidic Devices as Fuel Injectors for Spark-ignition Engine Fuel Injection Systems

Paper #:
  • 910378

Published:
  • 1991-02-01
Citation:
Huang, C., Leighton, N., and Jones, B., "Electro-fluidic Devices as Fuel Injectors for Spark-ignition Engine Fuel Injection Systems," SAE Technical Paper 910378, 1991, https://doi.org/10.4271/910378.
Pages:
11
Abstract:
A prototype fluidic fuel injection system for Spark-ignition(SI) engines has been established and tested. The fluidic injector unit combines a non-moving part wall reattachment type fluidic device powered by a solenoid pulser interface and an air-fuel mixing nozzle for good fuel atomization. It is demonstrated that the fluidic injector unit is capable of operating in a pulse modulated control mode and that the fluidic injector stage performs on-off switching in 1-1.5 msec.. The use of a fast response fluidic device coupled to a low power electric-fluidic interface potentially offers considerable cost and performance benefits for SI engine fuel injection systems.
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