Turbocharger cooling
46
Cooling and lubrication
Introduction of the New V12 Biturbo Engine, M 279 AMG
b
Turbocharger cooling
Coolant flows through the bearing housing of the
turbochargers. The coolant flows to each of the
turbochargers via a different connection in the
cylinder crankcase, and passes through the bearing
housings from bottom to top. The cooling streams
of the two turbochargers leave the bearing hous-
ings and are fed back into the main cooling circuit
at t
he right cylinder head.
The flow of coolant through the turbochargers is
assisted by the pressure differential
in the water
jacket (thermosiphon principle).
i Thermosiphon principle
Due to the difference in density between warm
and cold
water, the warm (lighter) water experi-
ences lift and rises upwards.
P09.40-2434-00
Turbocharger cooling
1 Bearing housing cooling jacket
– This printout will not be recorded by the update service. Status: 06 / 2012 –
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