TM 5-3895-373-20
1.16.
TURBOSUPERCHARGER.
The turbosupercharger is designed to increase the
overall efficiency of the engine. Power to drive the
turbosupercharger is extracted from the waste energy in
the engine exhaust gas.
The turbosupercharger consists of a wheel housing,
turbosupercharger housing and impeller housing. The
wheel housing, which encloses the turbosupercharger
housing provides an ambient air inlet and a compressed
air
discharge
outlet
connected
to
the
intake
turbosupercharger
manifold.
The
center
turbosupercharger housing has a radial inward flow
compressor wheel, impeller shaft, and center lubrication
connections for oil inlet and oil outlet fittings. The
turbosupercharger housing serves to support the rotating
assembly, bearings, and seals. The impeller housing
consists of the exhaust gas outlet and provides the
mounting surface to the exhaust manifold.
The turbosupercharger receives air from the air cleaner
to the ambient air inlet. The power of the exhaust gas
drives the impeller shaft inside the impeller housing.
This force is transmitted to the turbosupercharger
housing where air is drawn through the ambient air inlet
and compressed. The compressed air flows out of the
turbosupercharger housing into the compressed air
discharge outlet, and into the intake manifold on the
engine.
Lubricating oil for the turbosupercharger is supplied
under pressure through the engine oil adapter plate.
From the adapter plate, the oil flows into an oil line which
is connected to the oil inlet on the turbosupercharger
housing. The oil returns by gravity to the engine oil sump
through an external oil line extending from the oil outlet
into a drain line and back into the engine.
1-20
