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    • 2. 发明申请
    • Apparatus for Emissions Control, Systems, and Methods
    • 排放控制,系统和方法的装置
    • US20080104949A1
    • 2008-05-08
    • US11868591
    • 2007-10-08
    • Steve SchmeichelFred SchmidtJulian ImesRobert Dushek
    • Steve SchmeichelFred SchmidtJulian ImesRobert Dushek
    • F01N3/08
    • F01N3/035B01D53/944B01D2258/012F01M2013/0438F01N3/08F02B37/00Y10S55/30
    • Methods, constructions, and systems for treating engine emissions. An engine includes a crankcase, an air intake, a blow-by vent, and an exhaust port; the crankcase emits blow-by gases through the blow-by vent, and the engine produces an exhaust stream through the exhaust port. The blow-by gases are directed through a blow-by filter to produce filtered gases. The filtered gases are directed back into the air intake of the engine; and the exhaust stream is treated with at least one of a catalytic converter, a flow through filter, and a diesel particulate filter. Total particulate matter (PM) emissions of a turbo-charged diesel engine having an engine crankcase and an exhaust tailpipe are reducible. The total emissions includes particulate matter emissions from the engine crankcase added to the particulate matter emissions from the exhaust tailpipe. The method includes filtering blow-by gases and directing filtered blow-by gases back into the engine; and treating the exhaust stream with a catalyst; whereby the total emissions are reduced by greater than 25% when compared to the same engine that does not filter blow-by gases nor treat the exhaust stream. Usable systems include: a blow-by filter in gas-flow communication with a blow-by vent of an engine crankcase; a diesel oxidation catalyst arrangement in gas-flow communication with an exhaust port of an engine crankcase, a diesel particulate filter (active or passive), a flow through filter, and combinations thereof.
    • 用于处理发动机排放的方法,结构和系统。 发动机包括曲轴箱,进气口,窜气孔和排气口; 曲轴箱通过排气口发出窜气,发动机通过排气口产生排气流。 窜气被引导通过窜气过滤器以产生过滤的气体。 被过滤的气体被引回到发动机的进气口中; 并且使用催化转化器,流通过滤器和柴油机微粒过滤器中的至少一个来处理废气流。 具有发动机曲轴箱和排气尾管的涡轮增压柴油发动机的总颗粒物质(PM)排放物可以减少。 总排放量包括发动机曲轴箱的颗粒物质排放物,排放到排气尾管的颗粒物质排放物中。 该方法包括过滤窜气并将过滤的窜气引导回发动机; 并用催化剂处理废气流; 因此与不过滤窜气的同一发动机相比,总排放量减少了25%以上,也没有对废气流进行处理。 可用的系统包括:与发动机曲轴箱的窜气通气气流连通的窜气过滤器; 与发动机曲轴箱的排气口,柴油微粒过滤器(主动或被动),流通过滤器及其组合的气流连通的柴油氧化催化剂装置。
    • 4. 发明申请
    • Valve arrangement, closed crankcase system, and methods
    • 阀门布置,闭式曲轴箱系统和方法
    • US20050211232A1
    • 2005-09-29
    • US10812775
    • 2004-03-29
    • Robert DushekSteven Gieseke
    • Robert DushekSteven Gieseke
    • F01M13/00F01M13/02F02B3/06F02B25/06F02B37/00F02M25/06F16K17/04
    • F01M13/0011B01D46/0031B01D46/0043B01D46/0087B01D46/2411B01D2279/35F01M13/022F01M13/04F01M2013/0016F01M2013/0438F02B3/06F02B37/00F02M25/06F16K17/0453Y02T10/121
    • A valve arrangement includes a one-piece piston-diaphragm member. The one-piece piston-diaphragm member includes a connecting rod terminating at a piston head. The piston head defines a relief aperture arrangement extending between oppositely disposed pressure-receiving surfaces. The one-piece piston-diaphragm member includes an adapter with a diaphram molded over the adapter. The diaphragm is oriented to form a seal with the housing, when the valve arrangement is operably installed within a housing. The valve arrangement includes a plate in movable covering relation to the relief aperture arrangement in the piston head. The plate forms a releasable seal arrangement with the relief aperture arrangement. The valve arrangement is useable in a closed crankcase system including an air filter, an engine, and a blow-by filtration system. The valve arrangement is operably installed in the blow-by filtration system downstream of the crankcase to receive blow-by fluid. A method for regulating pressure in a closed crankcase system includes directing blow-by fluid from an engine crankcase to a valve arrangement. The valve arrangement includes a one-piece piston-diaphragm member. The flow of blow-by fluid is controlled through a relief aperture arrangement in a piston head by applying force against a plate to hold the plate in covering relation to the relief aperture arrangement. The flow of blow-by fluid is controlled to downstream components by applying a force against the second pressure-receiving surface of the piston head.
    • 阀装置包括一体式的活塞隔膜部件。 一体式活塞隔膜构件包括终止于活塞头的连杆。 活塞头限定了在相对设置的压力接收表面之间延伸的释放孔结构。 一体式活塞隔膜构件包括在适配器上模制的适配器。 当阀装置可操作地安装在壳体内时,隔膜被定向成与壳体形成密封。 阀装置包括与活塞头中的释放孔装置可移动覆盖的板。 板形成具有释放孔布置的可释放的密封装置。 阀装置可用于包括空气过滤器,发动机和窜气过滤系统的闭合曲轴箱系统中。 阀装置可操作地安装在曲轴箱下游的窜气过滤系统中以接收窜气。 用于调节闭合曲轴箱系统中的压力的​​方法包括将窜流流体从发动机曲轴箱引导到阀装置。 阀装置包括一体式活塞隔膜部件。 窜流流体的流动通过在活塞头上的释放孔布置来控制,该力通过向板施加力以将板保持在与释放孔布置相对的覆盖状态。 窜流流体通过向活塞头的第二受压表面施加力而被控制到下游部件。