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Supply arrangement for supplying an exhaust gas system with a solution including a reduction agent, an internal combustion engine, a generator uint and a method as well as a control arrangement therefor
Supply arrangement for supplying an exhaust gas system with a solution including a reduction agent, an internal combustion engine, a generator uint and a method as well as a control arrangement therefor
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机译:用于向排气系统供应包括还原剂,内燃机,发电机单元和方法的溶液的供应装置及其方法和控制装置
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摘要
In a supply arrangement for supplying a solution containing a reducing agent, in particular urea, to an exhaust gas system of an internal combustion engine wherein a supply line extending from a storage tank to an injector which is connected to the exhaust gas system includes an operating tank and a dosing arrangement, a return line extends between the dosing arrangement and the storage tank and the dosing arrangement includes a directional valve for directing solution to the injector during a first operating mode in which the engine is operating and, in a second operating mode in which the engine is shut down, directing the solution back to the storage tank for emptying the operating tank.
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