Air suspension system
    1.
    发明授权
    Air suspension system 失效
    空气悬架系统

    公开(公告)号:US5951032A

    公开(公告)日:1999-09-14

    申请号:US15853

    申请日:1998-01-29

    摘要: An air suspension system including an air spring that is mounted underneath a frame of the trailer forward of an axle of the trailer at one end of the axle. The air spring is supported under the frame by a lower support that supports a bottom of the air spring and an upper support that supports a top of the air spring. The lower support is connected to the frame forward of the air spring and is further connected to the axle, while the upper support is disposed between the top of the air spring and the frame. An identical air spring arrangement is provided at the opposite end of the axle.

    摘要翻译: 一种空气悬架系统,包括空气弹簧,该空气弹簧安装在所述拖车的车架的框架下方,所述车架在所述车轴的一端处在所述拖车的车轴的前方。 空气弹簧通过支撑空气弹簧的底部的下支撑件和支撑空气弹簧的顶部的上支撑件支撑在框架下方。 下支撑件连接到空气弹簧前方的框架,并且进一步连接到车轴,而上支撑件设置在空气弹簧的顶部和框架之间。 在轴的相对端设有相同的空气弹簧装置。

    FC fan flow measurement system using a curved inlet cone and pressure sensor
    2.
    发明授权
    FC fan flow measurement system using a curved inlet cone and pressure sensor 有权
    FC风扇流量测量系统采用弯曲入口锥体和压力传感器

    公开(公告)号:US08366377B2

    公开(公告)日:2013-02-05

    申请号:US12798684

    申请日:2010-04-09

    IPC分类号: F01D25/00 F24F11/02 G01F1/34

    摘要: An airflow volume sensing system for determining the flow rate through a fan includes a curved inlet cone with a pressure sensor at the minimum diameter of the cone, wherein the flow volume sensing system is particularly suited for FC centrifugal fans (centrifugal fans with forward curved fan blades). With an FC fan, the minimum diameter of the inlet cones interior surface is adjacent the fan wheel, and the static pressure there is at a minimum value. A predetermined relationship between the static gage pressure at that point and the volume flow rate through the fan is applied regardless of variables such as fan speed, fan housing geometry, supply air duct configurations, return air duct configurations, location of various heat exchangers or filters, etc. In some examples, a single pressure sensor senses an average of a plurality of pressure taps wherein each tap is at approximately the same minimum pressure.

    摘要翻译: 用于确定通过风扇的流量的气流量检测系统包括具有在锥体的最小直径处的压力传感器的弯曲入口锥体,其中流量感测系统特别适用于FC离心风扇(具有前弯曲风扇的离心式风扇 刀片)。 使用FC风扇,入口锥体内表面的最小直径与风扇叶轮相邻,静压力处于最小值。 无论风扇速度,风扇壳体几何形状,供气管道配置,回风管道配置,各种热交换器或过滤器的位置等变量,施加了该点处的静态表压力与通过风扇的体积流量之间的预定关系 等等。在一些示例中,单个压力传感器感测多个压力抽头的平均值,其中每个抽头处于大致相同的最小压力。

    FC fan flow measurement system
    3.
    发明申请
    FC fan flow measurement system 有权
    FC风扇流量测量系统

    公开(公告)号:US20110250051A1

    公开(公告)日:2011-10-13

    申请号:US12798684

    申请日:2010-04-09

    IPC分类号: F01D17/00

    摘要: An airflow volume sensing means for determining the flow rate through a fan includes a curved inlet cone with a pressure sensor at the minimum diameter of the cone, wherein the flow volume sensing means is particularly suited for FC centrifugal fans (centrifugal fans with forward curved fan blades). With an FC fan, the minimum diameter of the inlet cone's interior surface is adjacent the fan wheel, and the static pressure there is at a minimum value. A predetermined relationship between the static gage pressure at that point and the volume flow rate through the fan is applied regardless of variables such as fan speed, fan housing geometry, supply air duct configurations, return air duct configurations, location of various heat exchangers or filters, etc. In some embodiments, a single pressure sensor senses an average of a plurality of pressure taps, wherein each tap is at approximately the same minimum pressure.

    摘要翻译: 用于确定通过风扇的流量的气流量检测装置包括具有在锥体的最小直径处的压力传感器的弯曲入口锥体,其中流量检测装置特别适合于FC离心风扇(具有前向弯曲风扇的离心式风扇 刀片)。 使用FC风扇,入口锥体内表面的最小直径与风扇叶轮相邻,静压力处于最小值。 无论风扇速度,风扇壳体几何形状,供气管道配置,回风管道配置,各种热交换器或过滤器的位置等变量,施加了该点处的静态表压力与通过风扇的体积流量之间的预定关系 等等。在一些实施例中,单个压力传感器感测多个压力抽头的平均值,其中每个抽头处于大致相同的最小压力。

    High vertical conformance steam drive oil recovery method
    4.
    发明授权
    High vertical conformance steam drive oil recovery method 失效
    高垂直一致性蒸汽驱动油回收方法

    公开(公告)号:US4177752A

    公开(公告)日:1979-12-11

    申请号:US936438

    申请日:1978-08-24

    IPC分类号: E21B43/24 E21B43/30

    CPC分类号: E21B43/24 E21B43/30

    摘要: The vertical conformance of a steam drive process is improved and steam override reduced by penetrating the zone between one injector and one producer, with an infill well which is in fluid communication with the bottom half of the formation, and producing petroleum from the infill well after steam channeling has occurred at the production well. After the water cut of the fluids being produced from the infill well reaches 95 percent, the infill well is converted from a producer to an injector and hot water is injected into the lower portion of the formation via the infill well and fluids are produced from the production well. By this means, oil is recovered from the lower portions of the formation adjacent the production well. After water breakthrough occurs at the production well, steam is injected into the infill well and fluids are recovered from the production well. By this multi-step process involving the infill well, the amount of oil recovered from the portion of the formation in the recovery zone defined by the injection and production well is increased significantly.

    摘要翻译: 蒸汽驱动过程的垂直一致性得到改善,并且通过渗透一个注射器和一个生产者之间的区域而减少蒸汽超驰,其中填充井与地层的下半部分流体连通,并且在填充井之后从填充井产生石油 蒸汽通道发生在生产井。 在从填充井产生的流体的水切割达到95%之后,填充井从生产者转化为喷射器,并且热水通过填充井注入地层的下部,并且流体从 生产良好。 通过这种方式,从邻近生产井的地层的下部回收油。 在生产井发生水分渗透后,将蒸汽注入到填充井中,从生产井回收流体。 通过这种涉及填充井的多步骤过程,从注入和生产井定义的回收区域中形成的部分中回收的油的量显着增加。