专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4859830A Method of determining the weldability of a part 失效
标题翻译：确定零件可焊性的方法
公开(公告)号：US4859830A
公开(公告)日：1989-08-22
申请号：US104609
申请日：1987-10-05
申请人： Allen W. Case, Jr. , Robert D. Lillquist , Robert E. Sundell
发明人： Allen W. Case, Jr. , Robert D. Lillquist , Robert E. Sundell
IPC分类号： B23K31/00 , B23K9/095 , B23K31/12 , G01H13/00 , G01N29/036
CPC分类号： G01H13/00 , B23K31/12 , B23K9/0956 , G01N29/036 , G01N2291/014 , G01N2291/0251 , G01N2291/267
摘要： The weldability of a part formed from an alloy having low impurity concentrations is determined by initiating an arc between a stationary welding torch and the part using a predetermined set of welding parameters selected to produce a partially penetrating molten weld pool. The natural frequency of oscillation of the molten weld pool is measured a predetermined time following initiation of the arc, and the measured natural frequency of oscillation is compared to empirically determined data for the alloy to determine the weldability of the particular part. Variations in trace element concentrations between different heats of the same alloy affect the three-dimensional geometry of the molten weld pool, and in turn affect its resonant frequency. The invention may be used to adjust the welding parameters to accommodate differences in weldability between different heats of the same alloy.
摘要翻译：由具有低杂质浓度的合金形成的部分的可焊性是通过使用选定的预定的一组焊接参数在固定焊炬和部件之间引发电弧来确定的，以产生部分穿透的熔融熔池。在电弧开始后的预定时间内测量熔融焊池的固有振荡频率，并将测量的固有振荡频率与合金的经验确定数据进行比较，以确定特定部件的可焊性。相同合金的不同热量之间的微量元素浓度的变化影响熔融焊池的三维几何形状，进而影响其共振频率。本发明可用于调整焊接参数以适应相同合金的不同热量之间的可焊性差异。

2. 发明授权

US4711986A Method and apparatus for measuring weld penetration in an arc welding process 失效
标题翻译：在电弧焊接过程中测量焊缝穿透的方法和装置
公开(公告)号：US4711986A
公开(公告)日：1987-12-08
申请号：US934522
申请日：1986-11-24
申请人： Robert D. Lillquist , Allen W. Case, Jr.
发明人： Robert D. Lillquist , Allen W. Case, Jr.
IPC分类号： B23K9/00 , B23K9/095 , B23K9/29 , B23K31/00 , B23K9/10
CPC分类号： B23K9/296 , B23K9/0956
摘要： The penetration in an arc welding process is measured in real time by monitoring the natural frequency of oscillation of the weld pool. Spatial oscillations are induced in the weld pool by modulating either the shielding gas or the welding current at a plurality of different frequencies, and the light reflected from the pool at a non-specular angle is sensed and processed to determine the natural frequency of oscillation. Both pulse and swept frequency modulations are employed for excitation of the weld pool.
摘要翻译：通过监测焊接池的固有振荡频率，实时测量电弧焊接过程中的穿透。通过在多个不同频率下调制保护气体或焊接电流，在焊池中感应出空间振荡，并且以非镜面角度从池中反射的光被感测和处理以确定固有的振荡频率。脉冲和扫频调制都用于激发焊池。

3. 发明授权

US5273101A Method and apparatus for casting an arc melted metallic material in ingot form 失效
标题翻译：铸锭铸造电弧熔化金属材料的方法和装置
公开(公告)号：US5273101A
公开(公告)日：1993-12-28
申请号：US710616
申请日：1991-06-05
申请人： Robert D. Lillquist , Gordon B. Hunter , Richard G. Menzies
发明人： Robert D. Lillquist , Gordon B. Hunter , Richard G. Menzies
IPC分类号： B22D9/00 , B22D11/04 , B22D11/041 , B22D11/11 , B22D23/00 , B22D23/06 , C22B9/20 , C22F3/00 , B22D11/16 , B22D27/02
CPC分类号： B22D23/06 , B22D11/11
摘要： A method and apparatus for casting a molten metallic material in ingot form are provided wherein the molten metallic material is transported to the ingot mold and an upper surface temperature and temperature distribution of the molten metal pool in the casting mold are measured by an imaging radiometer which is disposed external to an inert gas filled chamber enclosing the ingot mold, and is disposed to view the ingot pool surface through a sight port. At least one plasma arc torch is employed to direct an arc at the ingot pool surface, the intensity of which is selectively modulated and the impingement of the arc is simultaneously selectively positioned in order to maintain a desired preselected mold pool surface temperature and temperature distribution thereby yielding a preselected metallurgical structure in the solidified ingot. The imaging radiometer may provide a video signal as an output, and may be connected to a video analyzer and video monitor which are used to provide an image of the surface temperature and temperature distribution, enabling an operator to control the plasma arc torch in performing the ingot casting method.

4. 发明授权

US5047612A Apparatus and method for controlling powder deposition in a plasma spray process 失效
标题翻译：用于在等离子体喷涂工艺中控制粉末沉积的装置和方法
公开(公告)号：US5047612A
公开(公告)日：1991-09-10
申请号：US475471
申请日：1990-02-05
申请人： Sudhir D. Savkar , Robert D. Lillquist
发明人： Sudhir D. Savkar , Robert D. Lillquist
IPC分类号： B05B12/12 , C23C4/12 , H05H1/42
CPC分类号： C23C4/12 , B05B12/084 , H05H1/42 , B05B7/226
摘要： An apparatus and method for controlling the powder deposition and deposit pattern in a plasma spray process are provided in which an infrared imaging detector and associated processors are employed to provide an image of the temperature distribution of the deposit and to provide an identification of the impact point of the most recent powder deposit, and in which a cyclone separator or other device is used to modulate the flow rate of the carrier gas in which the powder is entrained at the point where the powder and gas are injected into a plasma plume, in order to move the impact point of the powder from the sensed location to a desired location. An injector tube is provided in a cross-flow injection system which may be sized to compensate for variations in the desired injection velocities of particles of different sizes, and the variations in the rate at which such particles are accelerated in the injection tube. A control computer is optionally provided to permit on-line control of the carrier gas flow rate by receiving the sensed image and comparing the information in the image to a reference pattern, and adjusting the carrier gas flow rate at the injector tube accordingly.
摘要翻译：提供了一种用于在等离子体喷射过程中控制粉末沉积和沉积图案的装置和方法，其中使用红外成像检测器和相关联的处理器来提供沉积物的温度分布的图像并提供冲击点的识别的最近的粉末沉积物，并且其中使用旋风分离器或其它装置来调节在粉末和气体被注入等离子体羽流的点处夹带粉末的载气的流速，按顺序以将粉末的影响点从感测位置移动到期望的位置。注射管设置在横流注射系统中，该系统的尺寸可以补偿不同尺寸的颗粒的期望喷射速度的变化，以及这种颗粒在注射管中被加速的速率的变化。可选地提供控制计算机以允许通过接收感测图像并将图像中的信息与参考图案进行比较，并相应地调节注射管的载气流量来对载气流速进行在线控制。

5. 发明授权

US4751571A Composite visible/thermal-infrared imaging apparatus 失效
标题翻译：复合可见/热红外成像装置
公开(公告)号：US4751571A
公开(公告)日：1988-06-14
申请号：US79209
申请日：1987-07-29
申请人： Robert D. Lillquist
发明人： Robert D. Lillquist
IPC分类号： G01J5/48 , H04N5/33
CPC分类号： H04N5/332 , G01J5/48 , H04N5/33
摘要： Multispectral imaging apparatus for producing a composite dual wavelength visible/infrared image includes a wavelength independent focus reflective optical system for receiving a visible and infrared radiation from a scene and for providing a focused beam of radiation, a beam splitter for splitting the beam into a beam of visible radiation and a beam of infrared radiation, a visible radiation detector for receiving the visible radiation and for producing a first signal, and infrared radiation detector for receiving the infrared radiation and for producing a second signal, and a signal processing and display system for converting the first and second signals into video signals corresponding to a visible black and white image of the scene and a step-tone or false color infrared image of the scene. The images are combined in exact spatial registration to produce a composite image comprising a black and white visible image with portions of the image highlighted in color in accordance with the infrared radiation received from corresponding portions of the scene.
摘要翻译：用于产生复合双波长可见/红外图像的多光谱成像装置包括用于从场景接收可见光和红外辐射并用于提供聚焦辐射束的波长无关聚焦反射光学系统，用于将光束分成束可见辐射和一束红外辐射，用于接收可见辐射并用于产生第一信号的可见辐射检测器，以及用于接收红外辐射和产生第二信号的红外辐射检测器，以及用于产生第二信号的信号处理和显示系统将第一和第二信号转换为与场景的可见黑白图像相对应的视频信号，以及场景的逐步色调或伪彩色红外图像。以精确的空间配准组合图像以产生包括黑色和白色可见图像的合成图像，其中图像的部分根据从场景的相应部分接收到的红外辐射而以彩色突出显示。

6. 发明授权

US5629970A Emissivity enhanced x-ray target 失效
标题翻译：发射率增强x射线靶
公开(公告)号：US5629970A
公开(公告)日：1997-05-13
申请号：US583916
申请日：1996-01-11
申请人： David W. Woodruff , Robert D. Lillquist
发明人： David W. Woodruff , Robert D. Lillquist
IPC分类号： H01J35/10 , H01J35/08
CPC分类号： H01J35/105
摘要： An x-ray tube target includes an annular disk having an outer surface including front and back opposite faces, and an annular focal track fixedly joined to the disk front face for producing x-rays. The disk outer surface is rough away from the focal track, with surface roughness pits having width and depth dimensions greater than a wavelength of peak radiant emission of the target at operating temperature for increasing emissivity of the target to increase thermal radiation cooling thereof.
摘要翻译： X射线管靶包括具有包括前后相对面的外表面的环形盘和固定地连接到盘前表面以产生x射线的环形焦轨。磁盘外表面远离焦点轨迹，表面粗糙度凹坑的宽度和深度尺寸大于目标在工作温度下的峰值辐射发射波长，以增加目标的辐射率以增加其热辐射冷却。

7. 发明授权

US4687344A Imaging pyrometer 失效
标题翻译：成像高温计
公开(公告)号：US4687344A
公开(公告)日：1987-08-18
申请号：US826391
申请日：1986-02-05
申请人： Robert D. Lillquist
发明人： Robert D. Lillquist
IPC分类号： G01J5/00 , H04N5/33 , G01J5/02
CPC分类号： G01J5/10 , G01J5/08 , G01J5/0806 , G01J5/0862 , H04N5/33 , G01J2005/0077 , G01J2005/0081
摘要： An imaging radiometer for high temperature measurements has a sensor head comprised of a solid-state video camera operated in fixed gain mode, preferably one with a charge injection device detector, an infrared filter, and a lens system to image a radiating object on the detector array. Spectral response of the system is limited to 700 to 1100 nanometers or a smaller portion of this near-infrared band. The video signal output of the sensor is processed and object temperature is displayed on a television monitor; alternatively the video signal is presented to a digital frame grabber and converted to a temperature map.
摘要翻译：用于高温测量的成像辐射计具有传感器头，其由以固定增益模式操作的固态摄像机组成，优选地具有电荷注入装置检测器，红外滤光器和用于对检测器上的辐射物体成像的透镜系统的传感器头数组。该系统的光谱响应限于700至1100纳米或该近红外波段的较小部分。传感器的视频信号输出被处理，物体温度显示在电视监视器上; 或者视频信号被呈现给数字帧采集器并转换成温度图。

8. 发明授权

US5273102A Method and apparatus for casting an electron beam melted metallic material in ingot form 失效
标题翻译：铸造电子束熔融金属材料的方法和装置
公开(公告)号：US5273102A
公开(公告)日：1993-12-28
申请号：US988362
申请日：1992-12-09
申请人： Robert D. Lillquist , Charles B. Adasczik , Gordon B. Hunter , Richard G. Menzies
发明人： Robert D. Lillquist , Charles B. Adasczik , Gordon B. Hunter , Richard G. Menzies
IPC分类号： B22D11/11 , B22D23/06 , B22D11/16 , B22D27/02
CPC分类号： B22D11/11 , B22D23/06
摘要： A method and apparatus for casting a molten metallic material in ingot form are provided wherein the molten metallic material is transported to the ingot mold and an upper surface temperature and temperature distribution of the molten metal pool in the casting mold are measured by an imaging radiometer which is disposed external to a vacuum chamber enclosing the ingot mold, and is disposed to view the ingot pool surface through a sight port. At least one electron beam gun is employed to direct a stream of electrons at the ingot pool surface, the intensity of which is selectively modulated and the impingement of the stream of electrons is simultaneously selectively positioned in order to maintain a desired preselected mold pool surface temperature and temperature distribution thereby yielding a preselected metallurgical structure in the solidified ingot. The imaging radiometer may provide a video signal as an output, and may be connected to a video analyzer and video monitor which are used to provide an image of the surface temperature and temperature distribution, enabling an operator to control the electron beam gun in performing the ingot casting method.
摘要翻译：提供一种用于铸造锭状熔融金属材料的方法和装置，其中熔融的金属材料被输送到锭铸模，并且通过成像辐射计测量铸模中的熔融金属池的上表面温度和温度分布，设置在包围铸锭模具的真空室的外部，并且设置成通过视口观察铸锭池表面。使用至少一个电子束枪来引导晶锭池表面的电子流，其强度被选择性地调制并且电子流的冲击同时被选择性地定位，以便保持期望的预选模具池表面温度和温度分布，从而在固化锭中产生预选的冶金结构。成像辐射计可以提供视频信号作为输出，并且可以连接到用于提供表面温度和温度分布的图像的视频分析仪和视频监视器，使得操作者能够控制电子束枪执行锭铸造方法。

9. 发明授权

US4656331A Infrared sensor for the control of plasma-jet spray coating and electric are heating processes 失效
标题翻译：用于等离子体喷涂和电气控制的红外传感器是加热过程
公开(公告)号：US4656331A
公开(公告)日：1987-04-07
申请号：US710765
申请日：1985-03-11
申请人： Robert D. Lillquist , Richard G. Menzies , Richard W. Lober
发明人： Robert D. Lillquist , Richard G. Menzies , Richard W. Lober
IPC分类号： B23K9/095 , B23K15/00
CPC分类号： B23K9/0956 , B05B12/082 , B05B7/226 , B22D11/001 , B22D11/113 , B22D21/02 , C23C4/134 , H05H1/0043
摘要： A multi-purpose optical sensor operates in the medium-to-far infrared wavelength spectral region to sense the surface temperature of plasma-jet spray coating materials. This plasma itself emits little or no radiation in this region and, accordingly, the output signal from the sensor is used to adjust the electrical input and other variables associated with the plasma spray torch to insure that particles arriving at the substrate surface to be coated are, in fact, in a molten state. The sensor employs infrared filters and, additionally, the sensor is used to monitor not only coating and temperature but also plasma beam divergence and particle seeding density to provide other control functions.In another embodiment, the sensor is used to measure the temperature and size of a molten metal pool in the presence of an electric arc, as in the case of the melting and pouring of metal to form ingots, and to control the electric arc and other melting parameters so as to control the size and temperature of the molten pool. It may also be used to locate the position of foreign matter on the surface of the molten pool and to manipulate the arc so as to move the foreign matter away from the pouring region, thereby restricting the amount of such foreign matter which enters the poured metal stream, thus producing cleaner ingots having improved freedom from inclusions.
摘要翻译：多用途光学传感器在中至远红外波长光谱区域中工作，以感测等离子喷涂喷涂材料的表面温度。该等离子体本身在该区域中发射很少或没有辐射，因此来自传感器的输出信号用于调整电输入和与等离子体喷枪相关联的其他变量，以确保到达待涂覆的基板表面的颗粒为事实上，在熔融状态。该传感器采用红外线过滤器，此外，该传感器不仅用于监测涂层和温度，还用于监测等离子体束发散和颗粒播种密度，以提供其他控制功能。在另一个实施例中，传感器用于在存在电弧的情况下测量熔融金属池的温度和尺寸，如熔融和浇注金属以形成锭的情况，并且控制电弧等熔融参数以控制熔池的尺寸和温度。也可以用于定位熔池表面上的异物位置并操纵电弧，以将异物移离浇注区域，从而限制进入浇注金属的异物量从而产生具有改善的与夹杂物的自由度的更清洁的锭料。

10. 发明授权

US4484059A Infrared sensor for arc welding 失效
标题翻译：电弧焊红外传感器
公开(公告)号：US4484059A
公开(公告)日：1984-11-20
申请号：US371704
申请日：1982-04-26
申请人： Robert D. Lillquist
发明人： Robert D. Lillquist
IPC分类号： B23K9/095 , B23K9/12 , B23K9/127 , B23K9/10
CPC分类号： B23K9/0956
摘要： An infrared detector is provided with spectral filtering means for direct observation of the arc region during electric arc welding operations. The filter permits direct observation of the weld pool by suppressing almost all of the infrared radiation produced by the arc itself. Were this not the case, the electrical signal output from the infrared detector is totally obscured by the intense infrared radiation from the arc and would thus not permit sufficiently high resolution infrared measurements to be made on the weld pool and the work piece.
摘要翻译：红外检测器设置有用于在电弧焊接操作期间直接观察电弧区域的光谱滤波装置。过滤器允许通过抑制由电弧本身产生的几乎所有的红外辐射来直接观察焊池。如果不是这种情况，则从红外线检测器输出的电信号被来自电弧的强烈红外线辐射完全遮蔽，因此不能在焊池和工件上进行足够高的分辨率红外测量。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式