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    • 4. 发明授权
    • Claw pole rotary actuator with limited angular movement
    • 爪极旋转执行器,角度运动有限
    • US5038066A
    • 1991-08-06
    • US580982
    • 1990-09-12
    • Andrzej M. PawlakDavid W. GraberJeffery A. Zuraski
    • Andrzej M. PawlakDavid W. GraberJeffery A. Zuraski
    • H01F7/14H02K26/00
    • H02K26/00H01F7/145
    • An actuator has a permanent magnet ring with a plurality of radially magnetized poles rotatably positioned between a pair of toothed pole pieces with interdigitated teeth, an electromagnetic coil and pole elements coupling the coil flux to the pole pieces. The pole pieces may themselves be rotatable or stationary. The permanent magnet circuit attempts to move the magnet ring to a first position relative to the pole pieces, and the electromagnetic circuit, depending on the direction of current in the coil, torques the magnet in one direction or another toward stable positions on either side of the first position. The device is used as a two or three position actuator or as an actuator operating against an external force and seeking a position as a function of current.
    • 致动器具有永磁体环,其具有可旋转地定位在具有交叉齿的一对齿形极片之间的多个径向磁化的磁极,电磁线圈和将线圈磁通耦合到极片的极性元件。 极片本身可以是可旋转的或静止的。 永磁电路试图将磁环相对于极片移动到第一位置,并且电磁电路根据线圈中的电流方向将一个或多个方向的磁体转向稳定位置 第一名。 该装置用作两个或三个位置致动器或用作抵抗外力的致动器,并且寻求作为电流的函数的位置。
    • 6. 发明授权
    • Variable reluctance rotation sensor with leakage magnetic flux sensing
    • 具有漏磁检测的可变磁阻旋转传感器
    • US5510708A
    • 1996-04-23
    • US326616
    • 1994-10-20
    • Takeshi ShiraiAndrzej M. PawlakAlan H. Green
    • Takeshi ShiraiAndrzej M. PawlakAlan H. Green
    • B60T8/171G01P3/488B60T8/32
    • G01P3/488B60T8/171
    • A variable reluctance rotation sensor comprising a flux member having a ferromagnetic pole piece formed of a cylindrical center portion interposed between a first and second end portion. Each of the end portions have a respective surface which contains elongated teeth, similarly separated by slots as teeth on the periphery of a toothed wheel. The cylindrical center portion is positioned with respect to the toothed wheel such that the toothed surfaces of the first and second end portions are positioned adjacent the periphery of the toothed wheel comprising the teeth and slots, the magnetic flux member and toothed wheel defining an air gap. The sensor further comprises permanent magnets which establish main flux loops traversing the air gap, and leakage flux loops linking an electrical coil wound about the cylindrical center portion. As the toothed wheel is rotated, the magnitude of the main flux loops vary in relation to the varying air gap. The leakage flux loops, in turn, vary in relation to the varying main flux loops, the varying leakage flux loops being linked to the electrical coil and resulting in a sinusoidal output voltage signal proportional to the varying leakage flux loops. Each cycle of the output signal corresponds to a predetermined incremental angular rotation of the toothed wheel.
    • 一种可变磁阻旋转传感器,包括具有铁磁极片的磁通构件,所述铁磁极片由插入在第一和第二端部之间的圆柱形中心部分形成。 每个端部具有相应的表面,该表面包含细长的齿,其类似地由齿形的齿周边上的齿分隔开。 圆柱形中心部分相对于齿轮定位,使得第一和第二端部的齿形表面邻近包括齿和狭槽的齿轮的周边定位,磁通部件和齿轮限定气隙 。 该传感器还包括永久磁铁,其建立横过气隙的主通量回路,以及连接围绕圆柱形中心部分缠绕的电线圈的漏磁通回路。 当齿轮旋转时,主通量环的大小相对于变化的空气间隙而变化。 漏磁通环路又相对于变化的主磁通环路变化,变化的漏磁通回路与电线圈相连,并产生与变化的漏磁通回路成比例的正弦输出电压信号。 输出信号的每个周期对应于齿轮的预定的增量角旋转。
    • 7. 发明授权
    • Variable reluctance integral bearing sensor
    • 可变磁阻积分轴承传感器
    • US5385410A
    • 1995-01-31
    • US938083
    • 1992-08-31
    • Takeshi ShiraiAndrzej M. Pawlak
    • Takeshi ShiraiAndrzej M. Pawlak
    • F16C33/78G01P3/44F16C33/00
    • F16C33/78F16C41/007G01P3/443
    • An integral variable reluctance sensor and bearing grease seal assembly (sensor assembly) has at least one magnet and an annular wire coil secured at the interior of a housing which seals an annular space between a dynamic inner race and a static outer race. The sensor assembly is characterized by a relatively large flux change and resulting large peak to peak periodic output due to exploitation of the outer race and housing as high permeance flux paths in the sensor magnetic circuit and an additive arrangement of plural magnets. Sensor output signal strength is variable in step with the number of magnets and output variations due to air gap variations are minimized by symmetrical distribution of the same. The sensor assembly is further characterized by a single dynamic seal and no moving parts.
    • 一体积可变磁阻传感器和轴承油脂密封组件(传感器组件)具有固定在壳体内部的至少一个磁体和环形线圈线圈,其密封动态内圈和静态外圈之间的环形空间。 传感器组件的特征在于相对较大的磁通量变化,并且由于外圈和壳体作为传感器磁路中的高磁通通路和多个磁体的添加装置而被开发,从而产生了大的峰值到峰值的周期性输出。 传感器输出信号强度随着磁体数量的变化而变化,并且由于气隙变化引起的输出变化由于其对称分布而被最小化。 传感器组件的特征还在于单个动态密封件,没有移动部件。
    • 9. 发明授权
    • Method and apparatus for a universal infrared analyzer
    • 通用红外分析仪的方法和装置
    • US08164061B2
    • 2012-04-24
    • US11531681
    • 2006-09-13
    • Andrzej M. PawlakMichel F. Sultan
    • Andrzej M. PawlakMichel F. Sultan
    • G01J5/02
    • G01J5/62G01J5/02G01J5/025G01J5/08G01J5/084G01J5/0862G01J5/34G01J2005/0077
    • A universal infrared analyzer that includes a tunable optical filter capable of being tuned to one of a selectable set of wavelengths of radiation by a controller accessing a database of a plurality of function specific settings and function specific signatures. The plurality of function specific settings includes settings for al least one of intruder detection, chemical detection, structural integrity detection, medical applications detection, and gas detection. The analyzer also includes a user input interface, for manually selecting one of the function specific settings and one of the function specific signatures. The controller tunes the tunable optical filter to one of the selectable set of wavelengths of radiation based upon the selected one of the function specific settings and a focal plane array generates a signature based upon a target detected by the focal plane array.
    • 一种通用红外分析仪,其包括可调谐光学滤波器,其能够通过访问多个功能特定设置和功能特定签名的数据库的控制器被调谐到可选择的一组辐射波长中。 多个功能特定设置包括入侵者检测,化学检测,结构完整性检测,医疗应用检测和气体检测中的至少一个的设置。 分析器还包括用户输入接口,用于手动选择功能特定设置之一和功能特定签名之一。 控制器基于所选择的功能特定设置之一,将可调谐滤光器调谐到可选择的一组辐射波长之中,并且焦平面阵列基于由焦平面阵列检测的目标产生签名。
    • 10. 发明申请
    • LIGHT ANALYZER DEVICE AND METHOD FOR DETECTING OBJECTS UTILIZING THE LIGHT ANALYZER DEVICE
    • 用于检测使用光分析器装置的物体的光分析装置和方法
    • US20080252878A1
    • 2008-10-16
    • US11735606
    • 2007-04-16
    • Andrzej M. PawlakDavid K. Lambert
    • Andrzej M. PawlakDavid K. Lambert
    • G01N21/00H01L27/00
    • H01L27/14649
    • A light analyzer device and a method for detecting objects utilizing the light analyzer device are provided. The light analyzer device includes a focal plane array configured to receive the light that has passed through a light filter and to generate a first digital image based on the light that has passed through the light filter. The light analyzer device further includes a microprocessor operably coupled to the focal plane array. The microprocessor is configured to receive the first digital image, and to determine whether the first digital image corresponds to a stored digital image. The light analyzer device further includes a light emitting device operably coupled to the microprocessor. The microprocessor is further configured to induce the light emitting device to output a visual indicator indicating that the first digital image corresponds to the stored digital image.
    • 提供一种光分析装置和利用该光分析装置检测物体的方法。 光分析器装置包括:焦平面阵列,被配置为接收已经通过滤光器的光,并且基于已经通过滤光器的光产生第一数字图像。 光分析器装置还包括可操作地耦合到焦平面阵列的微处理器。 微处理器被配置为接收第一数字图像,并且确定第一数字图像是否对应于存储的数字图像。 光分析器装置还包括可操作地耦合到微处理器的发光装置。 微处理器还被配置成诱导发光装置输出指示第一数字图像对应于所存储的数字图像的视觉指示符。