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    • 44. 发明授权
    • Exhaust after-treatment system with in-cylinder addition of unburnt hydrocarbons
    • 具有缸内添加未燃烧碳氢化合物的排气后处理系统
    • US07287372B2
    • 2007-10-30
    • US11159903
    • 2005-06-23
    • Gerald N. ColemanMary L. Kesse
    • Gerald N. ColemanMary L. Kesse
    • F01N3/00F01N3/02
    • F02M45/086F01N3/023F01N3/0871F01N2430/085F02D41/027F02D41/047F02D41/405F02M61/1813F02M61/182F02M2200/46Y02T10/44
    • Certain exhaust after-treatment devices, at least periodically, require the addition of unburnt hydrocarbons in order to create reductant-rich exhaust conditions. The present disclosure adds unburnt hydrocarbons to exhaust from at least one combustion chamber by positioning, at least partially within a combustion chamber, a mixed-mode fuel injector operable to inject fuel into the combustion chamber in a first spray pattern with a small average angle relative to a centerline of the combustion chamber and a second spray pattern with a large average angle relative to the centerline of the combustion chamber. An amount of fuel is injected in the first spray pattern into a non-combustible environment within the at least one combustion chamber during at least one of an expansion stroke and exhaust stroke. The exhaust with the unburnt amount of fuel is moved into an exhaust passage via an exhaust valve.
    • 某些排气后处理装置至少周期性地需要添加未燃烧的烃,以便产生富余的还原剂排放条件。 本公开通过将至少部分地在燃烧室内定位的混合模式燃料喷射器至少部分地定位在燃烧室中,从而将未燃烧的碳氢化合物排放到至少一个燃烧室中,所述混合燃料喷射器可以以相对较小的平均角度的第一喷射模式将燃料喷射到燃烧室中 到燃烧室的中心线和相对于燃烧室的中心线具有大平均角度的第二喷射图案。 在膨胀冲程和排气冲程中的至少一个期间,将第一喷射模式中的燃料量注入至少一个燃烧室内的不可燃环境中。 具有未燃燃料量的排气通过排气阀移动到排气通道中。
    • 46. 发明授权
    • Intake air separation system for an internal combustion engine
    • 内燃机进气分配系统
    • US06543428B1
    • 2003-04-08
    • US09594009
    • 2000-06-14
    • Joseph A. BlandinoGerald N. ColemanCharles H. DutartEric C. Fluga
    • Joseph A. BlandinoGerald N. ColemanCharles H. DutartEric C. Fluga
    • F02B2300
    • F02M33/00
    • A method and system for the intake air separation within an internal combustion engine is disclosed. The disclosed embodiments of the intake air separation system include an intake air inlet adapted to receive the intake air used in the combustion process for the engine and an intake air separation device in flow communication with the intake air inlet and adapted for separating the intake air into a flow of the oxygen enriched air and a flow of nitrogen enriched air. The intake air separation system further includes a first outlet in fluid communication with the intake air separation device and adapted to receive the flow of the oxygen enriched air as well as a second outlet also in fluid communication with the intake air separation device and adapted to provide the flow of nitrogen enriched air to the intake manifold for use in the combustion process. The intake air separation system also includes a permeate air driver in fluid communication with the intake air separation device and operatively associated with the engine exhaust system adapted for forcibly directing the flow of oxygen enriched air via the permeate outlet.
    • 公开了一种用于内燃机内进气分离的方法和系统。 所公开的进气分离系统的实施例包括适于接收用于发动机的燃烧过程中使用的进气的进气进口和与进气入口流体连通并适于将进气分离的进气分离装置 富氧空气的流动和富氮空气流。 进气分离系统还包括与进气分离装置流体连通并适于接收富氧空气流的第一出口以及也与进气分离装置流体连通的第二出口,并适于提供 富氮空气流到进气歧管,用于燃烧过程。 进气分离系统还包括与进气分离装置流体连通的渗透空气驱动器,并且可操作地与发动机排气系统相关联,该发动机排气系统适于通过渗透物出口强制地引导富氧空气流。
    • 48. 发明授权
    • Intake air separation system for an internal combustion engine
    • 内燃机进气分配系统
    • US06453893B1
    • 2002-09-24
    • US09593844
    • 2000-06-14
    • Gerald N. ColemanCharles H. DutartEric C. Fluga
    • Gerald N. ColemanCharles H. DutartEric C. Fluga
    • F02B2300
    • F02M25/12F02M33/00Y02T10/121
    • A method and system for the intake air separation within an internal combustion engine is disclosed. The disclosed embodiments of the intake air separation system include an intake air inlet adapted to receive substantially all of the intake air used in the combustion process for the engine and an intake air separation device in flow communication with the intake air inlet and adapted for separating substantially all of the intake air into a flow of the oxygen enriched air and a flow of nitrogen enriched air. The intake air separation system further includes a first outlet in fluid communication with the intake air separation device and adapted to receive a flow of the oxygen enriched air as well as a second outlet also in fluid communication with the intake air separation device and adapted to provide the flow of nitrogen enriched air to the intake manifold for use in the combustion process.
    • 公开了一种用于内燃机内进气分离的方法和系统。 所公开的进气分离系统的实施例包括适于接收用于发动机的燃烧过程中使用的基本上所有进气的进气口和与进气入口流体连通的进气分离装置, 所有的进气进入富氧空气流和富氮空气流。 进气分离系统还包括与进气分离装置流体连通并适于接收富氧空气流的第一出口以及也与进气分离装置流体连通的第二出口,并适于提供 富氮空气流到进气歧管,用于燃烧过程。
    • 50. 发明授权
    • Exhaust gas recirculation system
    • 废气再循环系统
    • US06185939B1
    • 2001-02-13
    • US09273968
    • 1999-03-22
    • Gerald N. ColemanMichael J. EvancikDennis D. FeuchtKeith E. LawrenceJiubo Ma
    • Gerald N. ColemanMichael J. EvancikDennis D. FeuchtKeith E. LawrenceJiubo Ma
    • F02B3344
    • F02B37/00F02B29/0431F02M26/05F02M26/27F02M26/34F02M26/36F02M26/38F02M26/43Y02T10/144Y02T10/146
    • Past exhaust emission control systems fail to utilize exhaust gas recirculation during all operating parameters of an engine. The present exhaust gas recirculation system reduces the emissions emitted from an engine during all operating parameters of the engine. The engine includes a cylinder, a rotatable crankshaft and a turbocharger defining a compressor section compressing a flow of intake air to a first preestablished pressure and being driven by a flow of exhaust gas having a first preestablished pressure. The exhaust gas recirculation system is comprised of a portion of the flow of exhaust gas being recirculated to the cylinder and forming a flow of recirculated exhaust gas. The flow of recirculated exhaust gas is cooled. A portion of the flow of intake air is compressed to a second preestablished pressure. The flow of recirculated exhaust gas is compressed to a second preestablished pressure being at least as great as the first preestablished pressure of the intake air. And, a quantity of the flow of recirculated exhaust gas is controlled by a valve having an open position in which intake air flows therethrough and a closed position in which the flow of intake air is blocked.
    • 过去的废气排放控制系统在发动机的所有运行参数期间都不能利用废气再循环。 本发明的废气再循环系统在发动机的所有操作参数期间减少了从发动机排放的排放。 发动机包括气缸,可旋转曲轴和涡轮增压器,其限定将进气流压缩至第一预先建立的压力并由具有第一预定压力的废气流驱动的压缩机部分。 排气再循环系统包括废气流的一部分再循环到气缸并形成再循环废气流。 再循环排气的流量被冷却。 一部分进气流被压缩到第二预先建立的压力。 再循环废气的流量被压缩至至少与进气的第一预先建立的压力一样大的第二预先建立的压力。 并且,再循环废气的流量由具有进入空气流过的打开位置的阀和进入空气流被阻挡的关闭位置的阀控制。