technical information on fuel injection systems?

Question

automotive fuel injection systems like bosch mico

Answer 1

MICO has been manufacturing high precision fuel injectors, using state-of-art-technology at the Nashik plant. Ranging from 17 mm diameter to 30 mm and pressure capabilities up to 1200 bar the Injectors play a vital role in engine performance and emission. The production of Injectors commenced in 1954. Currently production level for the injectors is close to 8 million units a year at our Nashik plant.
http://www.boschindia.com/mico/fie/html/inj.htm
http://www.pelicanparts.com/bmw/techarti...
http://www.dandybooksellers.com/acatalog/BSI_GBM27_III.html
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=GGLJ,GGLJ:2006-33,GGLJ:en&q=fuel+injection+systems%2dspecification
http://www.cs.rochester.edu/u/jag/vw/engine/fi/injpump.html

For the parts that comprises the fuel injection systems pl. click:
http://shuntiancn.en.alibaba.com/product/50272348/51388095/Pump_Assemblies/Fuel_Injection_Pump_Assembly.html

Answer 2

The fuel injector itself has only one moving part - it is the pintel (a small fuel shut off valve) that is spring loaded in the closed position. The fuel pressure is regulated at a predetermined pressure (usually around 40 PSI).
The engine control computer gets input signals from numerous sensors (air flow into engine, air and engine coolant temperature, throttle position and so on)
These signals are analyzed and the computer outputs a pulsewidth which determines how long the pintel is held open, which in turns determines the exact amount of fuel which will be atomized and injected from the fuel injector.
The effects of this pre-programmed calculation is then fine tuned (add or subtract pulsewidth milliseconds) to account for different variations (engine tune, overall wear, fuel quality, etc) by monitoring the oxygen content of the exhaust gasses.
That's about it in a nutshell.

Answer 3

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Answer 4

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