GF09.00-P-2000IC Turbocharging - Function

GF09.00-P-2000IC Turbocharging - Function
- ENGINE 647.961 in MODEL 211
- ENGINE 648.960 in MODEL 220
- ENGINE 648.961 in MODEL 211





Shown on engine 647
107 Exhaust manifold
110 Turbocharger
110/1 Charge air pipe
110/2 Charge air cooler
110/3 Mixing tube (exhaust and fresh air)
110/4 Charge air distribution pipe
B5/1 Charge pressure sensor
B17/8 Charge air temperature sensor
Y100/1 Right charge pressure positioner

For charging, the flow energy of the exhaust gases are used to drive the turbocharger.
The cylinder charge efficiency is improved as a result of charging.
The engine torque and power output are boosted as a result.

The turbocharger sucks in fresh air and compacts this by means of a high rotational speed of the turbine wheel. The resulting high volume flow is further compressed in the charge air pipe.
The boost pressure positioner adjusts the guide vanes in the turbocharger and thus regulates the boost pressure (volume flow).

The charge air cooler then cools down the charge air heated by compression and passes the air on to the charge air distribution pipe.
The charge air is then passed from the charge air distribution pipe to the inlet ducts for individual cylinders.

The boost pressure is detected by the boost pressure sensor and the charge air temperature by the charge air temperature sensor and transmitted to the CDI control unit (N3/9) in the form of voltage signals.