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发明授权
US08356473B2 Injection device 失效
注射装置

Injection device
摘要：
A device is provided for injection of a liquid agent, such as fuel or reducing agent, into the exhaust line from a combustion engine. The device (1) has a nozzle arrangement (20) having a nozzle head (21), from which the liquid agent is injectable into the exhaust line. The nozzle arrangement (20) has a first conduit (22) leading to the nozzle head (21) for supply of compressed gas, preferably in the form of compressed air, to the nozzle head, and a second conduit (23) leading to the nozzle head (21) for supply of the liquid agent to the nozzle head. The nozzle head (21) is provided with at least one outlet opening (24) connected to the first conduit (22) and to the second conduit (23), through which outlet opening the liquid agent is injectable into the exhaust line under atomization thereof after mixing with compressed gas in a mixing zone (25) inside the nozzle head.
摘要（中）：

提供了一种用于将液体剂（例如燃料或还原剂）从内燃机注入排气管线的装置。 装置（1）具有喷嘴装置（20），喷嘴装置（20）具有喷嘴头（21），液体试剂从该喷嘴装置可注射到排气管线中。 喷嘴装置（20）具有通向喷嘴头（21）的第一导管（22），用于将压缩气体（优选为压缩空气的形式）供应到喷嘴头部;以及第二导管（23） 用于向喷嘴头供应液体剂的喷嘴头（21）。 喷嘴头（21）设置有至少一个连接到第一导管（22）和第二导管（23）的出口（24），通过该出口开口，液体剂在其雾化下可注入排气管线 在与喷嘴头内的混合区（25）中与压缩气体混合之后。

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