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6.4. Turbocharger
6.1.1. Main data and specifications
1) Main data and specifications
Specification
Turbocharger Model
At
maximum
output
Maximum allowable
Max. allowable
temperature of exhaust
gas at turbine inlet
Lubricating system
Weight
2) Operating principle
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.
Air pressure
at compressor
outlet
Air suction volume
Speed of turbine
revolution
Turbine wheel and
Exhaust pipe
Exhaust gas discharge
DE12TI
T45
Approx. 1.2 kg/cm
Approx. 22.0
m
3
/min
Approx. 96,000 rpm
113,000 rpm
750 C
External oil supply
14 kg
shaft assembly
MAINTENANCE OF MAJOR COMPONENTS
- 161 -
DE12TIA, DE12TIS
GT42
2
Approx. 1.3 kg/cm
Approx. 22.5
m
3
/min
Approx. 94,000 rpm
109,000 rpm
750 C
External oil supply
14 kg
Oil inlet
Compressor
housing
Fresh air inlet
Compressed air flow
Compressor wheel
Oil Outlet
2
EAOM8001
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