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    • 1. 发明授权
    • Fuel injection nozzle
    • 燃油喷嘴
    • US5392994A
    • 1995-02-28
    • US143595
    • 1993-11-01
    • James ZizelmanCorrine A. VoloRoland S. TaylorJeffrey A. Rock
    • James ZizelmanCorrine A. VoloRoland S. TaylorJeffrey A. Rock
    • F02M61/06F02M61/08F02M61/16F02M61/18F02M69/50F02M55/02
    • F02M61/188F02M61/06F02M61/08F02M61/16F02M61/162F02M61/18F02M69/50
    • A fuel system is disclosed having a fuel nozzle which receives pulsed, pressurized fuel for injection into the intake of an engine. The nozzle has a valve seat assembly with an upstream and a downstream seat interconnected by a longitudinal passage and by a bypass extending from upstream of the first seat to a location intermediate of the two seats. A poppet valve assembly has interconnected upstream and a downstream valve members operable relative to respective valve seats to regulate flow through the nozzle. A biasing member urges the valve member into a closed position in which the upstream valve member is unseated and the downstream valve member is seated to interrupt flow therethrough and out of the nozzle. Introduction of a fuel pulse into the nozzle moves the upstream valve member into engagement with its valve seat to thereby unseat the downstream valve member to allow fuel flow through the bypass around the upstream valve/seat and out of the nozzle through the open, downstream valve/seat. The bypass defines a fixed orifice for fuel flow through the nozzle and can produce a majority of the pressure drop and fuel metering functioning the fuel system.
    • 公开了一种燃料系统,其具有燃料喷嘴,燃料喷嘴接收用于喷射到发动机的进气口中的脉冲式加压燃料。 喷嘴具有阀座组件,其具有通过纵向通道和从第一座椅的上游延伸到两个座椅中间位置的旁路相互连接的上游和下游座椅。 提升阀组件具有互连的上游侧和下游阀构件,其可相对于相应的阀座操作以调节通过喷嘴的流动。 偏置构件促使阀构件进入关闭位置,在该位置,上游阀构件被卸下并且下游阀构件就位以阻止流过其中并流出喷嘴。 将燃料脉冲引入喷嘴使上游阀构件与其阀座接合,从而使下游阀构件脱离接头,以允许燃料通过上游阀/阀座周围的旁路流过喷嘴,并通过开放的下游阀 /座位。 旁路限定了用于燃料流过喷嘴的固定孔,并且可以产生大部分压力降和燃料计量功能。
    • 2. 发明授权
    • Fuel injection nozzle
    • 燃油喷嘴
    • US5377915A
    • 1995-01-03
    • US143892
    • 1993-11-01
    • Corrine A. VoloJeffrey A. Rock
    • Corrine A. VoloJeffrey A. Rock
    • F02M61/04F02M61/08F02M61/16F02M61/18F02M61/20
    • F02M61/188F02M61/04F02M61/08F02M61/162F02M61/18
    • A fuel injection nozzle has a valve seat assembly with an upstream and a downstream seat interconnected by a longitudinally extending passage and by a bypass extending from a location upstream of the first seat to a chamber located intermediate of the two seats. A popper valve assembly has upstream and downstream valve members interconnected by a spacer member disposed within the chamber and operable relative to respective valve seats to regulate flow through the nozzle. A biasing member urges the valve member into a normally closed position in which the upstream valve member is unseated and the downstream member is seated to interrupt flow therethrough and out of the nozzle. Introduction of a fuel pulse into the nozzle moves the upstream valve member into engagement with its valve seat to thereby unseat the downstream valve member from its valve seat to allow fuel flow through the bypass around the upstream valve/seat wherein the fuel is discharged into the chamber intermediate of the two valve members. The fuel undergoes a pressure drop upon its exit from the bypass and is subject to movement about the chamber and the spacer member to optimize the atomization of the fuel as it exits the nozzle through the open, downstream valve/seat.
    • 燃料喷射喷嘴具有阀座组件,其具有通过纵向延伸的通道和从第一座椅上游的位置延伸到位于两个座椅中间的腔室的旁路而互相连接的上游和下游座椅。 弹簧阀组件具有上游和下游阀构件,所述上游阀和下游阀构件通过设置在腔室内的间隔件相互连接,并且可相对于相应的阀座操作以调节通过喷嘴的流动。 偏置构件促使阀构件进入常闭位置,在该关闭位置,上游阀构件被松开并且下游构件就位以阻止流过其中并流出喷嘴。 将燃料脉冲引入喷嘴使上游阀构件与其阀座接合,从而使下游阀构件从其阀座上卸下,以允许燃料在上游阀/座周围流过旁路,其中燃料被排放到 两个阀构件的腔室中间体。 燃料在从旁路出来时经历压力降,并且经受室和间隔件的运动,以便当燃料通过打开的下游阀/阀座离开喷嘴时优化燃料的雾化。
    • 3. 发明授权
    • Fuel injection nozzle
    • 燃油喷嘴
    • US5385305A
    • 1995-01-31
    • US168315
    • 1993-12-17
    • Jeffrey A. RockCorrine A. Volo
    • Jeffrey A. RockCorrine A. Volo
    • F02M61/08F02M61/16F02M61/18F02M55/00
    • F02M61/188F02M61/08F02M61/16F02M61/168F02M61/18Y10T137/2579
    • A fuel injection nozzle has a tubular body adapted to receive fuel from a fuel line. A restriction member received at the inlet end of the tubular member limits the flow of fuel into the nozzle and is adjustable between minimum and maximum flow rates. The restriction member has an upstream member with a maximum flow orifice through which fuel entering the nozzle passes. A downstream restriction member nests within the upstream member such that a wall of the downstream member is in circumjacent, sliding relationship to a corresponding wall in the upstream member. The downstream member has a minimum flow orifice for establishing the minimum fuel flow into the nozzle and orifices in the wall portion which are blocked by the wall portion of the upstream member in the minimum flow position of the members and are subject to progressive unblocking to thereby establish a flow rate through the nozzle above the minimum.
    • 燃料喷射喷嘴具有适于从燃料管路接收燃料的管状体。 在管状构件的入口端处接收的限制构件限制了进入喷嘴的燃料流并且可在最小和最大流量之间调节。 限制构件具有具有最大流量孔口的上游构件,进入喷嘴的燃料通过该上游构件通过。 下游限制构件嵌套在上游构件内,使得下游构件的壁在上游构件中与相应的壁相邻地滑动。 下游构件具有用于建立最小的燃料流入喷嘴的最小流量孔和在壁部分中的孔口中的孔口,其在构件的最小流动位置被上游构件的壁部分阻挡,并且由此逐渐地解除阻塞 通过喷嘴建立最小流量。
    • 10. 发明申请
    • MICROTRUSS WATER VAPOR TRANSPORT DEVICE
    • MICROTRUSS水蒸汽运输设备
    • US20110195337A1
    • 2011-08-11
    • US12701892
    • 2010-02-08
    • Jeffrey A. RockYeh-Hung LaiGerald W. Fly
    • Jeffrey A. RockYeh-Hung LaiGerald W. Fly
    • H01M8/10
    • H01M8/04149H01M8/1004H01M2008/1095
    • A fuel cell system includes a water vapor transport device having a wet flow field layer having a coarse microtruss structure disposed between a pair of fine microtruss structures. The coarse and fine microtruss structures of the wet flow field layer are formed from a radiation-sensitive material. A dry flow field layer has a coarse microtruss structure disposed between a pair of fine microtruss structures. The coarse and fine microtruss structures of the dry flow field layer are also formed from a radiation-sensitive material. A membrane is disposed between the wet flow field layer and the dry flow field layer and adapted to permit a transfer of water vapor therethrough from the wet fluid to the dry fluid to form a humidified fluid.
    • 燃料电池系统包括具有设置在一对精细微型桁架结构之间的具有粗糙桁架结构的湿流场层的水蒸气输送装置。 湿流场层的粗微细桁架结构由辐射敏感材料形成。 干流场层具有设置在一对精细微型桁架结构之间的粗略桁架结构。 干流场层的粗和微微桁架结构也由辐射敏感材料形成。 膜布置在湿流场层和干流场层之间,并且适于允许水蒸汽从湿流体传递到干流体以形成加湿流体。