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Front-mounted air-to-air intercooler Top-mounted air-to-liquid intercooler (the silver cuboid-shaped part) on a BMW S55 turbocharged engine. An intercooler is a heat exchanger used to cool a gas after compression. [1] Often found in turbocharged engines, intercoolers are also used in air compressors, air conditioners, refrigeration and gas ...
The 4N1 engine family is the world's first to feature a variable valve timing (intake side) system applied to passenger car diesel engines. [ 10 ] All engines developed within this family have aluminium cylinder block , double overhead camshaft layouts, 4 valves per cylinder , a common rail injection system with a variable-geometry turbocharger .
In an internal combustion engine, a turbocharger (also known as a turbo or a turbosupercharger) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake air, forcing more air into the engine in order to produce more power for a given displacement .
Later models with the front mounted air-to-air cooler required a larger turbocharger to fill the tubes faster but with the benefit of additional power. Modern trucks use the air-to-air cooler in nearly all cases. Large Mack trucks from the 1970s such as the Mack R-600 used coolpower systems.
1992: A Banks Power-developed twin air intake and intercooler system results in a claimed 80-hp improvement on the factory-turbocharged Dodge Cummins engine. 1993: The Banks "Sidewinder" aftermarket turbocharger is introduced. Tests show that turbo-lag times decrease and throttle response improves when compared with factory turbochargers.
The common-rail-system is made by Bosch and also controlled by a Bosch DDE 4 ECU for non TÜ and DDE 5 ECU for TÜ. [3] All models are equipped with turbocharger and an intercooler. The 2.9L M57, which is found in E39 530d and E38 730d, as well as early models of E46 330d and E53 X5, is equipped with one Garrett GT2556V turbocharger.
Diesel engines are typically well suited to turbocharging due to two factors: A "lean" air–fuel ratio, caused when the turbocharger supplies excess air into the engine, is not a problem for diesel engines, because the torque control is dependent on the mass of fuel that is injected into the combustion chamber (i.e. air-fuel ratio), rather than the quantity of the air-fuel mixture.
Isuzu and General Motors: Layout; Configuration: Inline six-cylinder: ... Turbocharger: With intercooler: Fuel system: High-pressure common-rail direct injection ...