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    • 4. 发明授权
    • Regeneration device having external check valve
    • 具有外部止回阀的再生装置
    • US08215100B2
    • 2012-07-10
    • US12071893
    • 2008-02-27
    • Robert L. MillerStephen M. WileyGlenn B. CoxThomas Randall McClure
    • Robert L. MillerStephen M. WileyGlenn B. CoxThomas Randall McClure
    • F01N3/00
    • F01N3/2066F01N3/0253F01N2610/02F01N2610/03F01N2610/14F01N2610/1453F01N2610/1473Y02T10/24
    • An exhaust treatment device for a combustion system is disclosed. The exhaust treatment device may have a housing, and an injector disposed within the housing to deliver an injection fluid into a flow of exhaust. The exhaust treatment device may also have at least one fluid supply passage that is disposed within the housing and being in fluid communication with the injector to supply the injector with injection fluid. The exhaust treatment device may further have at least one purge passage disposed within the housing and in fluid communication with the injector to supply the injector with a purge fluid. The exhaust treatment device may additionally have a first valve element that is mounted to the housing and disposed at an entrance of the at least one purge passage The first valve element may be configured to provide a unidirectional flow of purge fluid to the at least one purge passage.
    • 公开了一种用于燃烧系统的废气处理装置。 排气处理装置可以具有壳体和设置在壳体内的喷射器以将喷射流体输送到排气流中。 排气处理装置还可以具有至少一个流体供给通道,该流体供给通道设置在壳体内并与喷射器流体连通以向注射器提供注射流体。 排气处理装置还可以具有设置在壳体内并与喷射器流体连通的至少一个净化通道,以向喷射器提供吹扫流体。 排气处理装置可以另外具有安装到壳体并设置在至少一个清洗通道的入口处的第一阀元件。第一阀元件可以被配置为提供清洗流体的单向流向至少一个吹扫 通道。