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Electromagnetically Controlled Distributor-Type Fuel Injection System
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English
Abstract
With the advent of electronic controls and development of electromagnetically controlled fuel injection pumps, the cost of fuel systems using plunger-type pumps was substantially reduced. Further reduction in cost can be achieved if fewer solenoid valves are used. A new type of injection pump combining electromagnetic spill control principle with distributor-type operation is described. Only one solenoid valve is required for a multi-cylinder engine. The pump was designed for port injection of gasoline, but with some modifications could be adapted to direct fuel injection. The fuel injection system includes a controller capable of electronic trimming of port-to-port fuel distribution for tight control of air to fuel ratios in all engine cylinders. A review of the basic concept and operating principles is given, and test results as well as cost considerations are discussed.
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Authors
Citation
Schechter, M., Levin, M., and Dutcher, W., "Electromagnetically Controlled Distributor-Type Fuel Injection System," SAE Technical Paper 890477, 1989, https://doi.org/10.4271/890477.Also In
References
- Barkhimer R. L. Beck N. J. Weseloh W. E. “Development of a Durable, Reliable and Fast Responding Solenoid Valve” SAE Paper 831326
- Schechter M. M. “Fast Response Multipole Solenoids” SAE Paper 820203
- Seilly A. H. “Helenoid Actuators” SAE Paper 790119
- Seilly A. H. “Colenoid Actuators -Further Developments in Extremely Fast Acting Solenoids” SAE Paper 810462
- Kushida T. “High Speed, Powerful and Simple Solenoid Actuator ‘Disole’ and its Dynamic Analysis Results” SAE Paper 850373
- Glikin P. E. “An Electronic Fuel Injection System for Diesel Engines” SAE Paper 850453
- Beck N. J. Barkhimer R. L. Calkins M. A. Johnson W. P. Weseloh W. E. “Direct Digital Control of Electronic Unit Injectors” SAE Paper 840273
- Schechter M. M. Asik J. R. “Direct Fuel Injection with Electromagnetic Spill Control - Investigation with the EME-4 Pump” SAE Paper 840308
- Beck N. J. Johnson W. P. Barkhimer R. L. Patterson S. H. “Electronic Fuel Injection for Two-Stroke Cycle Gasoline Engines” SAE Paper 861242
- Schechter H. M. Simko A. O. “EMI-Series Electromagnetic Fuel Injection Pumps” SAE Paper 880421