Daewoo DE12 - 4.4. Turbocharger

4.4. Turbocharger
4.4.1. Main data and specifications
1) Main data and specifications
2) Working principle
<Figure 4-56> Operating principle of turbocharger
The turbocharger is a system designed to make use of the engine exhaust gas energy to
charge high-density air into the cylinders, thereby to increase the engine output.
Model Specifications
Air pressure at compressor outlet About 1,257kg/cm
2
Gauge
At maximum output Air suction volume About 19.0m
3
/min
Speed of turbine revolution About 95,000rpm
Maximum allowable speed 110,000rpm
Max. allowable temperature of exhaust gas at turbine inlet 750C
Lubricating system External oil supply
Weight 14kg
- 135 -
Exhaust pipe
Turbine wheel and
shaft assembly
Turbine housing
Oil inlet
Oil outlet
Intake pipe
Compressor
housing
Compressed air flow
Fresh air inlet
Compressor wheel
Exhaust gas discharge