DIESEL
ENGINE
05
SERIES
WSM,
01641
j
31640F10220
(2)
Turbine
10164OF10200
I
(3)
Compressor
This is a radial flow turbine.
The turbine wheel assembly
(3)
uniting the turbine
wheel and shaft is designed to balance even at high
speeds.
The turbine housing
(2) has
a
vartex gas passage.
As
the passage becomes smaller (from
“A”
to
“B”)I
the
gas flow rate increases
so
that the turbine is rotated at
high speeds.
The turbine back plate
(1)
prevents the bearing
housing and bearing (floating metal) inside from being
directly exposed to the heat
of
the exhaust gas on the
turbine wheel side.
(1) Turbine Back Plate
(a)
From Cylinder
(2)
Turbine Housing
(3)
Turbine Wheel Assembly
(b)
To
Exhaust Muffler
0164OM10090
A
radial flow compressor is used.
The compressor consists
of
a cast compressor wheel
(I),
bearing housing
(3),
insert
(2):
compressor cover
(4).
Air
is sucked at high speed by the compressor wheel.
As
it
passes through the spiral passage in the housing,
its speed is reduced to the proper level and forced into
the cylinder.
The compressor wheel is
a
precision-cast
component, which maintains the proper balance even at
high speeds.
Its
blades are curved backward to ensure
the highest performance.
The compressor housing is designed to regulate the
air flow drawn by the wheel and increase its pressure.
(1) Compressor Wheel
(2)
Insert
(b)
From the
Air
Cleaner
(3)
Bearing Housing
(a)
To
Cylinder
(4)
Compressor Cover
01640M10100
M-47
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