electronic fuel injection 147
DESCRIPTION
electronicTRANSCRIPT
ADVANCEMENT OF ELECTRONIC FUEL INJECTION
VAISHNAVI INSTITUTE OF TECHNOLOGY
BY
A.AMARNATH K.DEVIKA 4 TH YEAR 4 TH YEAR MECHANICAL ENGINEERING MECHANICAL ENGINEERING
INTRODUCTION
1. Multipoint Fuel Injection
2. Gasoline Direct Injection
MAIN COMPON
ELECTRONIC FUEL INJECTION
MAIN COMPONENTS OF ELECTRONIC FUEL INJECTION OF ELECTRONIC FUEL INJECTION
1. Engine Control Unit 2. Sensors 3. Fuel Injectors
MULTI POINT FUEL INJECTION SYSTEM MULTI POINT FUEL INJECTION SYSTEM
GASOLINE DIRECT INJECTION
3.350Fuel Pressure (MPa)
Port InjectionIn-Cylinder Direct InjectionFuel System
StandardUpright StraightIntake Port
Flat top PistonCurved Top PistonCombustion Chamber
10.512.0Compression Ratio
Intake: 2, Exhaust: 2Number of Valves
IL-4Number of Cylinders
1834Displacement
81.0 x 89.0Bore x Stroke (mm)
Conventional MPFIGDIITEM
COMPARISON WITH MPFI
BASIC TECHNICAL FEATURES OF GDI ENGINE
The Upright Straight Intake Port. The Curved-top Piston. The High Pressure Fuel Pump. The High Pressure Swirl Injector.
CHARACTERISTICS OF THE GDI ENGINE
Lower fuel consumption and higher output
• Ultra-lean Combustion Mode• Superior Output Mode
In-cylinder Airflow
Fuel Spray
Optimized Configuration of the Combustion Chamber
Vehicle Fuel Consumption
Fuel Consumption During Idling
Fuel Consumption during Cruising Drive
REALIZATION OF SUPERIOR OUTPUT
Improved Volumetric Efficiency
Increased Compression Ratio
ACHIEVEMENTS Engine performance
Vehicle Acceleration
CONCLUSION
Frequent operation in stratified mode.
Reduction of CO2 production by nearly 20 percent.
Provides improved torque 5-10%
Fulfills future emissions requirements.
97% NOx reduction is achieved.
Improve the brake specific fuel consumption.
Smooth transition between operation modes.
Reduced fuel consumption 15-20%
Up to 5% more power
Spontaneous response behavior
THANK YOU!!!
ANY QUIRIES?