User Manual

Chapter 4
BOSCH HDI EDC 15C2 INJECTION SYSTEM AND PARTICLE FILTER
25
D - OPERATION AT HIGH ENGINE SPEED
SDI008D
14
12
Turbocharging pressure regulation: the energy of the exhaust gases is controlled
by adjusting the speed at which the gases enter the exhaust turbine by altering
the position of the finned diffuser piston.
Contrary to a fixed geometry turbocharger, all of the exhaust gas flow passes
through the exhaust turbine (no energy lost).
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