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Internal combustion engine with an exhaust-gas turbocharger and a charge-air cooler and method for operating an internal combustion engine
Internal combustion engine with an exhaust-gas turbocharger and a charge-air cooler and method for operating an internal combustion engine
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机译:具有废气涡轮增压器和增压空气冷却器的内燃机以及用于运行内燃机的方法
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摘要
An internal combustion engine includes an intake manifold in a fresh air system. The intake manifold opens into inlet ports of a cylinder head. An exhaust-gas turbocharger has a turbine and a compressor, which is driven by the turbine. The turbine is disposed in the exhaust-gas system. The compressor is disposed in the fresh air system. The turbine has a turbine wheel and a wastegate channel configured to allow a bypassing flow of exhaust-gas past the turbine wheel of the turbine. A wastegate valve is disposed in the wastegate channel for selectively opening and closing the wastegate channel. An electric actuator is provided for operating the wastegate valve. A charge-air cooler is disposed, downstream of the compressor, in the fresh air system. The charge-air cooler is integrated into the intake manifold and is embodied with a water-cooled heat exchanger.
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