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Increase in power over the whole speed range, low fuel consumption,
improved engine efficiency, reduction of emission
values, less thermal pressure on the engine - there are numerous
reasons to cool the combustion air of supercharged engines with
intercoolers.
A basic distinction must be made between two
types of cooling. Direct cooling, where an intercooler is installed
in the vehicle front-end area and is cooled by
environmental air (wind blast) or indirect cooling, where coolant
flows through the intercooler and discharges the heat to the environmental
air.
The number of vehicles equipped with turbochargers is increasing all the time. Since almost all modern vehicles fitted with turbochargers are equipped with intercoolers, this also affects the spare parts market (e.g. accident repairs, gravel throw).
Numbers of passenger cars with turbochargers in Western Europe
(Source Hella Market Research / Polk Marketing Systems)
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