Apparatus and method for measuring conditions in fluidized beds
    1.
    发明授权
    Apparatus and method for measuring conditions in fluidized beds 失效
    用于测量流化床条件的装置和方法

    公开(公告)号:US6008662A

    公开(公告)日:1999-12-28

    申请号:US741917

    申请日:1996-10-31

    CPC classification number: B01J8/1809 C08F10/00 G01N27/60

    Abstract: Conditions in a fluidized bed are measured with a probe and a circuit. The bed can be a polymerization reactor's reaction chamber, and the conditions can result in "sheeting" which is the build up of polymer on the chamber walls. The probe protrudes into the bed and detects a current which generally is a function of at least the impact and charge of particulates in the bed. The current detected by the probe is related to the conditions in the bed. The circuit measures the detected current. The probe has an inner probe piece of metallic material within an insulator of polymeric material. A portion of the insulator protrudes a first distance into the bed, and a portion of the inner probe piece protrudes a second distance into the bed. The first distance is less than or equal to the second distance. The insulator typically does not extend as far into the bed as the inner probe piece.

    Abstract translation: 用探针和电路测量流化床中的条件。 床可以是聚合反应器的反应室,并且条件可导致聚合物在室壁上积聚的“片材”。 探针突出到床中并检测通常至少是床中的颗粒的冲击和电荷的作用的电流。 探头检测到的电流与床上的状况有关。 电路测量检测到的电流。 探针在聚合物材料的绝缘体内具有金属材料的内部探针片。 绝缘体的一部分突出到床中的第一距离,并且内探测件的一部分突出到床的第二距离。 第一距离小于或等于第二距离。 绝缘体通常不像内部探针片一样延伸到床内。

    Acoustic sensing
    2.
    发明授权
    Acoustic sensing 失效
    声学感应

    公开(公告)号:US5681986A

    公开(公告)日:1997-10-28

    申请号:US643932

    申请日:1996-05-07

    Abstract: An improved invasive acoustic sensor apparatus detects particulate matter in a flow by impingement thereon. The apparatus includes an axially extending probe body having an active length positionable in a flow and a distributed piezoelectric transducer disposed therein. The transducer is acoustically coupled to an interior surface of the body, along substantially the entire active length thereof, and may be a piezoelectric film, piezoelectric tube, or a plurality of electrically parallel connected piezoelectric tube elements. The apparatus further includes an acoustic isolation layer disposed between the probe body and positioning structure to reduce transmission of process wall vibration to the transducer.

    Abstract translation: 改进的侵入式声学传感器装置通过冲击在其中检测流中的颗粒物质。 该装置包括轴向延伸的探针体,其具有可定位在流动中的有效长度和布置在其中的分布式压电换能器。 传感器在其整个有效长度上声学耦合到主体的内表面,并且可以是压电薄膜,压电管或多个并联的压电管元件。 该装置还包括设置在探针本体和定位结构之间的隔音层,以减少过程壁振动对换能器的传递。

    Raman Spectroscopy using Diffractive MEMS
    4.
    发明申请
    Raman Spectroscopy using Diffractive MEMS 有权
    使用衍射MEMS的拉曼光谱

    公开(公告)号:US20130321799A1

    公开(公告)日:2013-12-05

    申请号:US13486846

    申请日:2012-06-01

    Abstract: A Raman spectrometer including a laser excitation source, edge filters, and detection optics that direct light into a spectrograph. A spectrograph containing a dispersive element and optics that directs various wavelengths of light onto a segmented diffractive MEMS light modulator array. The MEMS array, depending on actuation state, directs light either to or away from a single detector. Control electronics drive the MEMS light modulator for either sequential wavelength measurement or multiplexed wavelength measurement (Hadamard for example).

    Abstract translation: 拉曼光谱仪包括激光源,边缘滤光片以及将光引入光谱仪的检测光学器件。 包含分散元件和光学元件的光谱仪,其将各种波长的光引导到分段的衍射MEMS光调制器阵列上。 取决于致动状态的MEMS阵列将光指向或远离单个检测器。 控制电子驱动MEMS光调制器用于顺序波长测量或多路复用波长测量(例如Hadamard)。

    Partial least square regression techniques in obtaining measurements of
one or more polymer properties with an on-line nmr system
    5.
    发明授权
    Partial least square regression techniques in obtaining measurements of one or more polymer properties with an on-line nmr system 失效
    使用在线nmr系统获得一种或多种聚合物性质的测量的部分最小二乘回归技术

    公开(公告)号:US5675253A

    公开(公告)日:1997-10-07

    申请号:US586559

    申请日:1996-01-16

    CPC classification number: G01N24/085 G01R33/389 G01R33/4625 G01N24/082

    Abstract: An on-line nuclear magnetic resonance (NMR) system, and related methods, are useful for predicting one or more properties of interest of a polymer. In one embodiment, a neural network is used to develop a model which correlates process variables in addition to manipulated NMR output to predict a polymer property of interest. In another embodiment, a partial least square regression technique is used to develop a model of enhanced accuracy. Either the neural network technique or the partial least square regression technique may be used in conjunction with a described multi-model or best-model-selection scheme according to the invention. The polymer can be a plastic such as polyethylene, polypropylene, or polystyrene, or a rubber such as ethylene propylene rubber.

    Abstract translation: 在线核磁共振(NMR)系统和相关方法可用于预测聚合物的一种或多种感兴趣的性质。 在一个实施例中,使用神经网络来开发除了操纵的NMR输出之外关联过程变量以预测感兴趣的聚合物性质的模型。 在另一个实施例中,使用偏最小二乘回归技术来开发增强精度的模型。 神经网络技术或偏最小二乘回归技术可以与根据本发明的所描述的多模型或最佳模型选择方案结合使用。 聚合物可以是诸如聚乙烯,聚丙烯或聚苯乙烯之类的塑料,或橡胶如乙丙橡胶。

    Fishing lure apparatus
    6.
    发明授权
    Fishing lure apparatus 失效
    钓鱼诱饵器

    公开(公告)号:US5611166A

    公开(公告)日:1997-03-18

    申请号:US385962

    申请日:1995-02-09

    Applicant: David R. Day

    Inventor: David R. Day

    CPC classification number: A01K85/02

    Abstract: A fishing lure apparatus includes a housing which includes an interior channel located along a longitudinal axis. A rear portion of the housing has an outer width and includes a predetermined number of slots. A shaft assembly, extending through and supported by the interior channel, is adapted for being located in the interior channel in either a locked position or an unlocked position. A hook assembly includes a predetermined number of hooks, and the predetermined number of hooks is equal to the predetermined number of slots. The hook assembly has an outer width which is less than the width of the rear portion of the housing, whereby the hook assembly is protected by the rear portion of the housing when the hook assembly is in a protected mode in which tip portions the hooks are nestled in or retained within the slots. A spring assembly, supported by the housing, is in contact with a spring-contacting portion of the shaft assembly. When the spring-contacting portion is moved along the longitudinal axis toward the front portion of the housing, the shaft assembly can be placed in the locked position. The spring assembly st potential energy. A trigger assembly, connected to the housing, includes a fish-strike-receiving portion and an unlocking portion which releases the shaft assembly from the locked position permitting the shaft assembly to move to the unlocked position, whereby the tip portions of the hooks are exposed to the interior mouth tissues of a fish.

    Abstract translation: 钓鱼诱饵装置包括壳体,该壳体包括沿着纵向轴线定位的内部通道。 外壳的后部具有外部宽度并且包括预定数量的狭槽。 延伸穿过内部通道并由其支撑的轴组件适于在锁定位置或解锁位置中位于内部通道中。 钩组件包括预定数量的钩,并且预定数量的钩等于预定数量的槽。 钩组件具有小于壳体后部宽度的外部宽度,由此当钩组件处于保护模式时,钩组件由壳体的后部保护,其中钩部的顶端部分 位于或保留在插槽内。 由壳体支撑的弹簧组件与轴组件的弹簧接触部分接触。 当弹簧接触部分沿着纵向轴线朝着壳体的前部移动时,轴组件可以被置于锁定位置。 弹簧组合第一势能。 连接到壳体的触发器组件包括钓鱼接收部分和解锁部分,其将轴组件从锁定位置释放,从而允许轴组件移动到解锁位置,由此钩的尖端部分暴露 到鱼的内部口部组织。

    Abrasion-resistant, high pressure dielectric sensors
    7.
    发明授权
    Abrasion-resistant, high pressure dielectric sensors 失效
    耐磨,高压介质传感器

    公开(公告)号:US5184077A

    公开(公告)日:1993-02-02

    申请号:US766956

    申请日:1991-09-25

    CPC classification number: G01R27/2635

    Abstract: An apparatus which is particularly useful in measuring dielectric changes in materials, even when subjected to abrasive and/or high-pressure environments. The apparatus includes a housing adapted to mounting within a vessel containing the material to-be-tested, the housing presenting at least one exposed surface to the interior of the vessel to contact the material and a set of first and second electrodes which are disposed on the exposed surface of the housing to make contact with the material, such that the dielectric properties of the material within the vessel can be monitored. The apparatus is particularly useful in the monitoring of curing of resins in both high and low pressure molding operations, including sheet molding compound (SMC) processes, reactive injection molding (RIM) techniques and similar operations.

    Abstract translation: 即使在受到磨蚀和/或高压环境的影响时,也可特别用于测量材料的介电变化。 该装置包括适于安装在容纳待测试材料的容器内的壳体,该壳体呈现至少一个暴露的表面到容器的内部以接触材料,以及一组第一和第二电极,其被布置在 壳体的暴露表面与材料接触,使得可以监测容器内的材料的介电性质。 该装置特别可用于监测高压和低压成型操作中树脂的固化,包括片状模塑料(SMC)工艺,反应性注塑(RIM)技术和类似操作。

    Secondary bag adjustment
    8.
    发明授权
    Secondary bag adjustment 失效
    二次袋调整

    公开(公告)号:US4433450A

    公开(公告)日:1984-02-28

    申请号:US378957

    申请日:1982-05-17

    CPC classification number: B60S3/002

    Abstract: An apparatus 10 for stripping fluid from the surface of a vehicle including a plenum 14 and a flexible inflatable primary bag 20 having a primary bag inlet releasably mounted on the plenum 14 for allowing the flow of air from the plenum 14 to the primary bag 20 and a nozzle end 22 and a bag opening 24 disposed between the primary bag inlet and the nozzle end 22. The apparatus further includes a flexible inflatable secondary bag 26 having an elongated secondary bag inlet 28 secured about the bag opening 24 for hinging movement and a nozzle end 30 for allowing the flow of air therethrough. The apparatus is characterized by including a hinging control frame 34 for controlling the hinging action of the secondary bag 26 with respect to the primary bag 20.

    Abstract translation: 用于从车辆表面剥离流体的装置10,其包括集气室14和柔性可充气的初级袋20,其具有可释放地安装在集气室14上的初级袋入口,用于允许空气从集气室14流到初级袋20, 喷嘴端部22和设置在主要袋入口和喷嘴端部22之间的袋开口24.该装置还包括柔性可充气次级袋26,其具有固定在袋开口24周围的用于铰接运动的细长次级袋入口28和喷嘴 端30以允许空气流过其中。 该装置的特征在于包括用于控制次级袋26相对于初级袋20的铰接动作的铰接控制框架34。

    Clamp for varying the hinging action of a fluid stripping bag
    10.
    发明授权
    Clamp for varying the hinging action of a fluid stripping bag 失效
    用于改变流体剥离袋的铰链作用的夹具

    公开(公告)号:US4409035A

    公开(公告)日:1983-10-11

    申请号:US338577

    申请日:1982-01-08

    CPC classification number: B60S3/002 Y10S15/02 Y10T403/4611 Y10T403/4614

    Abstract: An adjustable clamp (26) for selectively varying the hinging action of a flexible, inflatable fluid-stripping bag (12) including an elongated bag inlet (14) having a predetermined cross-sectional area and a nozzle (16) at one end thereof and wherein the bag inlet (14) is mounted about an opening (24) of a plenum (20) for supplying air to the bag (12). The clamp comprises an adjustable frame (26) adapted to be disposed about the bag inlet (14) and spaced therefrom to adjustably limit the extent to which the bag inlet (14) opens to determine the cross-sectional area and a band member and fastening device for securing the frame (26) about the bag inlet (14) whereby a change in the cross-sectional area produced by the frame (26) changes the resistance of the hinging action of the bag (12).A method is also provided for selectively varying the hinging action of the flexible, inflatable fluid-stripping bag (12) including the steps of mounting the bag inlet (14) about an opening (24) of a plenum (20) for supplying air to the bag (12) and characterized by selectively varying the cross-sectional area of the bag inlet (14) to vary the hinging action of the bag (12) whereby changing the cross-sectional area of the bag inlet (14) changes the resistance to hinging action of the bag (12).

    Abstract translation: 一种用于选择性地改变柔性可充气流体剥离袋(12)的铰链作用的可调节夹具(26),包括在其一端具有预定横截面积的细长袋入口(14)和喷嘴(16), 其中所述袋入口(14)围绕用于向所述袋(12)供应空气的增压室(20)的开口(24)安装。 夹具包括适于围绕袋入口(14)设置并与其间隔开的可调节框架(26),以可调节地限制袋入口(14)打开以确定横截面面积的程度,以及带构件和紧固件 用于将框架(26)围绕袋入口(14)固定的装置,由此由框架(26)产生的横截面积的变化改变了袋子(12)的铰接动作的阻力。 还提供了一种用于选择性地改变柔性可充气流体剥离袋(12)的铰链作用的方法,包括以下步骤:将袋入口(14)围绕用于供应空气的增压室(20)的开口(24) 所述袋(12)的特征在于,选择性地改变所述袋入口(14)的横截面积以改变所述袋(12)的铰接作用,由此改变所述袋入口(14)的横截面面积改变所述袋 到袋子(12)的铰链作用。

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