Emission control in rich burn natural gas engines
    1.
    发明授权
    Emission control in rich burn natural gas engines 有权
    丰富燃烧天然气发动机排放控制

    公开(公告)号:US09149768B1

    公开(公告)日:2015-10-06

    申请号:US14226934

    申请日:2014-03-27

    Abstract: A passive mid bed air injection apparatus for an engine includes a three way catalyst positioned in an exhaust stream of the engine. The three way catalyst reduces NOx, CO and HC from the exhaust stream. The three way catalyst includes an ammonia slip catalyst positioned in the exhaust stream of the engine. The ammonia slip catalyst is positioned downstream from the three way catalyst and oxidizes NH3 and CO from the exhaust stream. The three way catalyst includes an oxygen input disposed between the three way catalyst and the ammonia slip catalyst such that the oxygen input delivers air downstream from the three way catalyst and upstream from the ammonia slip catalyst. The oxygen input receives the air from a charged side of a forced induction device and delivers the air to the exhaust stream entering the ammonia slip catalyst. An associated method also provided.

    Abstract translation: 用于发动机的被动中空气体注射装置包括位于发动机排气流中的三通催化剂。 三元催化剂从排气流中还原NOx,CO和HC。 三元催化剂包括位于发动机排气流中的氨滑动催化剂。 氨滑移催化剂位于三元催化剂的下游,并从排气流中氧化NH3和CO。 三元催化剂包括设置在三元催化剂和氨滑动催化剂之间的氧气输入,使得氧气输入输送从三元催化剂下游的空气和氨滑移催化剂的上游。 氧输入从强制感应装置的充电侧接收空气,并将空气输送到进入氨滑动催化剂的排气流。 还提供了一种相关联的方法。

    CYLINDER HEAD COVER WITH INTEGRAL SLEEVE
    2.
    发明申请
    CYLINDER HEAD COVER WITH INTEGRAL SLEEVE 审中-公开
    气缸盖与整体套筒

    公开(公告)号:US20170067412A1

    公开(公告)日:2017-03-09

    申请号:US14847904

    申请日:2015-09-08

    CPC classification number: F02F1/242 F02F7/006 H01T13/08

    Abstract: A system includes a cylinder head for a reciprocating engine and a cylinder head cover configured to couple to the cylinder head. The cylinder head cover may include an ignition plug sleeve extension configured to house a portion of an ignition plug within the cylinder head cover. The ignition plug sleeve extension is integral to the cylinder head cover.

    Abstract translation: 一种系统包括用于往复式发动机的气缸盖和构造成联​​接到气缸盖的气缸盖罩。 气缸盖罩可以包括火花塞套筒延伸部,其构造成将火花塞的一部分容纳在气缸盖罩内。 火花塞套筒延伸部与气缸盖罩一体。

    EMISSION CONTROL IN RICH BURN NATURAL GAS ENGINES
    4.
    发明申请
    EMISSION CONTROL IN RICH BURN NATURAL GAS ENGINES 有权
    大量燃烧天然气发动机的排放控制

    公开(公告)号:US20150273393A1

    公开(公告)日:2015-10-01

    申请号:US14226934

    申请日:2014-03-27

    Abstract: A passive mid bed air injection apparatus for an engine includes a three way catalyst positioned in an exhaust stream of the engine. The three way catalyst reduces NOx, CO and HC from the exhaust stream. The three way catalyst includes an ammonia slip catalyst positioned in the exhaust stream of the engine. The ammonia slip catalyst is positioned downstream from the three way catalyst and oxidizes NH3 and CO from the exhaust stream. The three way catalyst includes an oxygen input disposed between the three way catalyst and the ammonia slip catalyst such that the oxygen input delivers air downstream from the three way catalyst and upstream from the ammonia slip catalyst. The oxygen input receives the air from a charged side of a forced induction device and delivers the air to the exhaust stream entering the ammonia slip catalyst. An associated method also provided.

    Abstract translation: 用于发动机的被动中空气体注射装置包括位于发动机排气流中的三通催化剂。 三元催化剂从排气流中还原NOx,CO和HC。 三元催化剂包括位于发动机排气流中的氨滑动催化剂。 氨滑移催化剂位于三元催化剂的下游,并从排气流中氧化NH3和CO。 三元催化剂包括设置在三元催化剂和氨滑动催化剂之间的氧气输入,使得氧气输入输送从三元催化剂下游的空气和氨滑移催化剂的上游。 氧输入从强制感应装置的充电侧接收空气,并将空气输送到进入氨滑动催化剂的排气流。 还提供了一种相关联的方法。

    CYLINDER HEAD HAVING IGNITION PLUG WALL AND COOLING CAVITY
    5.
    发明申请
    CYLINDER HEAD HAVING IGNITION PLUG WALL AND COOLING CAVITY 审中-公开
    具有点火插头壁和冷却空气的气缸盖

    公开(公告)号:US20160047332A1

    公开(公告)日:2016-02-18

    申请号:US14459943

    申请日:2014-08-14

    CPC classification number: F02F1/242 F02F1/40 F02P3/02

    Abstract: A system a cylinder head for a reciprocating engine. The cylinder head includes an ignition plug wall surrounding a bore configured to receive an ignition plug, where the ignition plug wall is integral to the cylinder head, the bore has a diameter, and the ignition plug wall has a thickness. The cylinder head also includes a cooling cavity completely separated from the bore via the ignition plug wall, where the cooling cavity has a radial width relative to an axis of the bore. The cylinder head further includes at least one of a first ratio of a minimum of the thickness versus a minimum of the diameter less than approximately 0.5 or a second ratio of a minimum of the radial width versus the minimum of the diameter less than approximately 0.5, or a combination thereof.

    Abstract translation: 一种用于往复式发动机的气缸盖的系统。 气缸盖包括围绕构造成接收火花塞的孔的火花塞壁,其中火花塞壁与气缸盖一体,孔具有直径,并且火花塞壁具有厚度。 气缸盖还包括通过点火塞壁与孔完全分离的冷却腔,其中冷却腔具有相对于孔的轴线的径向宽度。 气缸盖还包括厚度的最小值与直径的最小值的小于大约0.5的第一比率或径向宽度的最小值相对于小于约0.5的直径的最小值的第二比率中的至少一个, 或其组合。

    SYSTEM AND METHOD FOR DRIVING MULTIPLE PUMPS ELECTRICALLY WITH A SINGLE PRIME MOVER
    6.
    发明申请
    SYSTEM AND METHOD FOR DRIVING MULTIPLE PUMPS ELECTRICALLY WITH A SINGLE PRIME MOVER 审中-公开
    用单个主动力电动驱动多个泵的系统和方法

    公开(公告)号:US20150211512A1

    公开(公告)日:2015-07-30

    申请号:US14166991

    申请日:2014-01-29

    CPC classification number: F04B49/20 F04B23/06

    Abstract: A converterless motor-driven pump system includes an off-grid prime mover. The prime mover includes a rotational driveshaft that operates in response to a throttle or fuel input controller to control a rotation speed of the prime mover driveshaft. Operation of the throttle or fuel input controller is based on desired output characteristics of a pumping load. One or more electric power generators are driven by the off-grid prime mover to generate AC or DC power on an electrical bus shared by a plurality of variable speed electric motors. A plurality of pumps is connected to a common manifold shared by the plurality of pumps. The plurality of pumps is driven by the plurality of variable speed electric motors to generate a desired wellhead pressure or pumping load flow rate via the shared common manifold.

    Abstract translation: 无转矩电动泵系统包括离网原动机。 原动机包括旋转驱动轴,其响应于节气门或燃料输入控制器操作以控制原动机驱动轴的转速。 节气门或燃料输入控制器的操作基于泵送负载的期望的输出特性。 一个或多个发电机由离网原动机驱动,以在由多个变速电动机共享的电气总线上产生AC或DC电力。 多个泵连接到由多个泵共用的公共歧管。 多个泵由多个变速电动机驱动,以经由共用公共歧管产生期望的井口压力或泵送负载流量。

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