Method and regulating arrangement for heating the cab of a motor vehicle with a diesel engine
The invention relates to a method and a regulating arrangement (10) for heating the cab (21) of a motor vehicle with a diesel engine (16). In this case, in the event of a start in a cold environment, a heating program is carried out in order to heat the cab (21) more rapidly, if the temperature of t...
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Zusammenfassung: | The invention relates to a method and a regulating arrangement (10) for heating the cab (21) of a motor vehicle with a diesel engine (16). In this case, in the event of a start in a cold environment, a heating program is carried out in order to heat the cab (21) more rapidly, if the temperature of the diesel engine (16), measured by a temperature sensor (15), is below a predetermined limit value. In this heating program, the supply of air to the diesel engine is reduced via the throttle valve (13), in order to set a currently predetermined intake pressure. If the driver demands a higher acceleration of the vehicle by actuating the accelerator pedal, throttling can be temporarily canceled. When the engine temperature has exceeded a second limit value, the heating program is terminated and the engine control (10) returns to normal operation. In order to assist the heating phase, in addition, the exhaust-gas recirculation valve (17) may be closed and electrical consumers switched on. |
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