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DOSING VALVE ASSEMBLY AND METHOD FOR OPERATING A DOSING VALVE ASSEMBLY
DOSING VALVE ASSEMBLY AND METHOD FOR OPERATING A DOSING VALVE ASSEMBLY
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机译:计量阀组件和用于操作计量阀组件的方法
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摘要
A metering valve assembly having a metering valve for metering an aqueous urea solution for posttreatment of exhaust gases from internal combustion engines, the liquid being capable of being fed in a feeding direction to the metering valve and a mixing chamber being provided, in which the liquid is miscible with a gas in a gas flow. The metering valve is evacuatable contrary to the feeding direction.
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