X-ray tube providing variable imaging spot size
    1.
    发明授权
    X-ray tube providing variable imaging spot size 失效
    X射线管提供可变成像光斑尺寸

    公开(公告)号:US06236713B1

    公开(公告)日:2001-05-22

    申请号:US09179805

    申请日:1998-10-27

    IPC分类号: H01J3514

    CPC分类号: H01J35/06 H01J3/12 H01J35/14

    摘要: A variable spot size x-ray tube comprises a cathode having an electron emitting surface providing an electron beam that travels essentially along the tube axis of symmetry to an anode. The anode, spaced from the cathode, includes a target, the front surface of which is disposed at an oblique angle with respect to the axis of symmetry. The potential of the anode is generally positive with respect to that of the cathode. The cathode is heated to a temperature at which electrons are emitted by the thermionic emission process. Current from the cathode can be controlled by varying the cathode temperature if the cathode is operated in the temperature limited region. The incident electron beam forms a spot on the target surface whereupon x-rays are produced in response to impingement of the electron beam on the target. The x-rays propagate outwardly from the target spot through a vacuum window to form a beam of x-radiation outside the x-ray tube. An aperture grid is disposed between the cathode and the anode, and has a central aperture permitting the electron beam to pass therethrough. The aperture grid further has a variable voltage applied to it which may be positive, negative, or equal to the potential of the cathode. The voltage on the control grid is used to control the diameter of the electron beam which impinges upon the target. Specifically, the electron beam diameter varies in correspondence with the variable aperture grid voltage, and selective variation of the electron beam diameter results in a corresponding variation in size of the x-ray imaging spot.

    摘要翻译: 可变点尺寸x射线管包括具有电子发射表面的阴极,该电子发射表面提供基本上沿着管对称轴线向阳极行进的电子束。 与阴极间隔开的阳极包括靶,其前表面相对于对称轴线倾斜设置。 阳极的电位通常相对于阴极的电位为正。 将阴极加热到通过热离子发射过程发射电子的温度。 如果阴极在温度限制区域中运行,则可以通过改变阴极温度来控制来自阴极的电流。 入射的电子束在目标表面上形成一个点,因此响应于电子束撞击靶而产生X射线。 x射线从靶点向外传播通过真空窗口,以在x射线管外部形成x辐射束。 孔栅格设置在阴极和阳极之间,并且具有允许电子束通过的中心孔。 孔径栅格还具有施加到其上的可变电压,其可以是正的,负的或等于阴极的电位。 控制网格上的电压用于控制撞击目标的电子束的直径。 具体地,电子束直径与可变孔径栅极电压相对应地变化,并且电子束直径的选择性变化导致x射线成像光斑的尺寸的相应变化。

    Mailer with return envelope
    2.
    发明授权
    Mailer with return envelope 失效
    具有退货信封的邮递员

    公开(公告)号:US4896823A

    公开(公告)日:1990-01-30

    申请号:US230032

    申请日:1988-08-09

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: B42D15/08 B42D5/02

    CPC分类号: B42D5/026

    摘要: The C-fold mailer includes first, second and third panels foldable about transversely extending foldlines to form a mailer with return envelope. Adhesive is applied to one face of the sheet along opposite side margins. The second and third panels are folded and adhesively secured along three margins and the first panel is adhesively secured along the outside face of the third panel. By arranging the lines of adhesive relative to perforated lines along the sides and one end of the mailer, registering sides and end portions of the mailer may be removed while retaining the return envelope adhesively secured along three sides. An integral flap is provided whereby a portion of the first panel may be used as a remittance slip. The slip may be inserted into the return envelope, and the flap folded to seal the return envelope.

    Rheometer
    3.
    发明授权
    Rheometer 失效
    流变仪

    公开(公告)号:US4763512A

    公开(公告)日:1988-08-16

    申请号:US923317

    申请日:1986-10-14

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: G01N11/00 G01N11/16

    CPC分类号: G01N11/00 G01N11/16

    摘要: A rheometer for measuring viscoelasticity with a complex rigidity function comprises a tube for holding the fluid, means for oscillating the tube in the direction of its axis, detector means for detecting the position of the sample of fluid, and an analyzer for relating the movement of the fluid sample to the movement of the drive to derive viscosity characteristics.

    摘要翻译: 用于测量具有复杂刚性功能的粘弹性的流变仪包括用于保持流体的管,用于在其轴线方向上振荡管的装置,用于检测流体样本的位置的检测器装置,以及用于将流体的运动 流体样品到驱动器的运动以得到粘度特性。

    Fluid flow measurement
    4.
    发明授权
    Fluid flow measurement 失效
    流体流量测量

    公开(公告)号:US4696194A

    公开(公告)日:1987-09-29

    申请号:US831938

    申请日:1986-02-20

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: G01F1/46

    CPC分类号: G01F1/46

    摘要: A sensing probe 10 for use in determining fluid flow rates along a duct 11 comprises a probe pipe 12 mounted within a wall of the duct 11 to extend thereacross. A plurality of total pressure orifices 17 are provided through the probe wall, to face fluid flow, and a single static pressure opening 18 is provided on the downstream side of the probe. An averaging tube 19 is mounted within the pipe and has two openings 20 suitably disposed with respect to the duct axis so that the pressure within the averaging tube closely approximates to the average total pressure for the flow rate determination. The static pressure orifice 18 communicates with a further tube 23 within the pipe, to allow sensing of a pressure directly related to the actual static pressure.

    摘要翻译: 用于确定沿着管道11的流体流速的感测探针10包括安装在管道11的壁内以在其上延伸的探针管12。 通过探针壁提供多个总压力孔17以面对流体流动,并且在探针的下游侧设置单个静压开口18。 平均管19安装在管内并且具有相对于管道轴线适当地设置的两个开口20,使得平均管内的压力接近于用于流量确定的平均总压力。 静压孔18与管内的另一管23连通,以允许感测与实际静压直接相关的压力。

    Limit switch with direct opening action

    公开(公告)号:US06518528B2

    公开(公告)日:2003-02-11

    申请号:US09832785

    申请日:2001-04-11

    IPC分类号: H01H530

    CPC分类号: H01H3/16 H01H3/001

    摘要: A switch comprises a first and second contacts, a plunger, a toggle bar, and a spanner. A preferred trip lever arrangement is used in which a trip lever transfers an actuating force from the plunger to the toggle bar, and the toggle bar is caused to move farther than the plunger to provide a short trip point. Swing arms that are acted upon through a series of rigid body force transfers allow an operator to manually force welded contacts to be broken in the event that the contacts become welded to a spanner or other components of the switch assembly.

    Molecular sieve type gas separation systems
    6.
    发明授权
    Molecular sieve type gas separation systems 失效
    分子筛型气体分离系统

    公开(公告)号:US4594080A

    公开(公告)日:1986-06-10

    申请号:US702738

    申请日:1985-02-19

    IPC分类号: B01D53/04

    摘要: The concentration of a constituent gas in a product gas delivered by a molecular sieve type gas separation system 10 is controlled by a flueric partial pressure sensor 15 connected to a spill-valve 16 which is conduitly connected to a product gas delivery duct 13. The flueric partial pressure sensor 15 compares a reference bleed of supply gas with a sample bleed of product gas and outputs signals to control the spill-valve in spilling product gas from the delivery duct 13 so that the rate of flow of gas through adsorption beds 11 of the system 10 is controlled to provide product gas having a required concentration of the constituent gas.

    摘要翻译: 由分子筛式气体分离系统10输送的产物气体中的构成气体的浓度由连接到与产物气体输送管道13导管连接的溢流阀16的氟分压传感器15控制。 分压传感器15比较供应气体的参考泄漏与产品气体的样品泄漏,并输出信号,以控制溢出阀从输送管道13溢出产物气体,使得气体通过吸附床11的流量 控制系统10以提供具有组成气体所需浓度的产物气体。

    Device and method for the measurement of the thickness of a wet coating
    7.
    发明授权
    Device and method for the measurement of the thickness of a wet coating 失效
    用于测量湿涂层厚度的装置和方法

    公开(公告)号:US4377037A

    公开(公告)日:1983-03-22

    申请号:US235031

    申请日:1981-02-17

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: G01B5/06

    CPC分类号: G01B5/066

    摘要: A device and method for the measurement of the thickness of a wet coating, such as paint, on a substrate, the device comprising a frame with two legs having ends which may be pressed through the wet coating onto the substrate. A probe is mounted in the frame and is adjustable towards and away from the frame. An indicating scale is provided to show the position of the probe. The probe has a transparent or translucent tip so that the point at which contact is made with the wet coating may be observed. The method employs a calibration step by setting the device on an uncoated surface of the same shape as the coated surface, thereby avoiding errors due to wear of the device and curvature of the surface.

    摘要翻译: 一种用于测量衬底上的湿涂层(例如涂料)的厚度的装置和方法,该装置包括具有两个腿的框架,其具有可以通过湿涂层压到衬底上的端部。 探头安装在框架中,可以朝向和远离框架调节。 提供指示刻度以显示探头的位置。 探针具有透明或半透明的尖端,使得可以观察到与湿涂层接触的点。 该方法采用校准步骤,将装置设置在与涂覆表面相同形状的未涂覆表面上,从而避免由于装置磨损和表面曲率引起的误差。

    Portable environmental clean plating system
    8.
    发明授权
    Portable environmental clean plating system 失效
    便携式环保清洁电镀系统

    公开(公告)号:US5482605A

    公开(公告)日:1996-01-09

    申请号:US389280

    申请日:1995-02-09

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: C25D17/00 C25D17/06 C25D17/14

    CPC分类号: C25D17/00

    摘要: The invention relates to a portable plating system that operates stand-alone with a battery power source, or with an A.C. power source. The system is also capable of working from an automobile battery as the power source. The system is packaged in a combination storage/work station unit which stores the plating equipment when not in use, and serves as a work station when the equipment is assembled and ready for use.

    摘要翻译: 本发明涉及一种便携式电镀系统,其与电池电源或交流电源独立地操作。 该系统还能够从汽车电池作为电源工作。 该系统被包装在组合的存储/工作站单元中,其在不使用时存储电镀设备,并且当设备组装并准备使用时用作工作站。

    Coating thickness gauge
    10.
    发明授权
    Coating thickness gauge 失效
    涂层厚度计

    公开(公告)号:US4425546A

    公开(公告)日:1984-01-10

    申请号:US240614

    申请日:1981-03-05

    申请人: James C. Taylor

    发明人: James C. Taylor

    IPC分类号: G01B7/06

    CPC分类号: G01B7/105

    摘要: A film thickness gauge for measuring the thickness of paint, etc. has a magnet which is placed on the surface to be attracted by a magnetic substrate. The magnet is withdrawn by spring tension. A withdrawal member is braked when the magnet is released and the position of the withdrawal member on release is indicated in terms of the thickness of the coating.

    摘要翻译: 用于测量涂料等厚度的薄膜厚度计具有放置在被磁性基材吸引的表面上的磁体。 磁铁被弹簧张力拉出。 当磁体被释放时,取出构件被制动,并且取出构件在释放时的位置以涂层的厚度表示。