公开(公告)号：US08327752B2

公开(公告)日：2012-12-11

申请号：US11588952

申请日：2006-10-27

申请人： Kripa Kiran Varanasi ,  Shorya Awtar ,  Frederick George Baily ,  Mark Edward Burnett ,  Farshad Ghasripoor ,  Imdad Imam ,  Norman Arnold Turnquist

发明人： Kripa Kiran Varanasi ,  Shorya Awtar ,  Frederick George Baily ,  Mark Edward Burnett ,  Farshad Ghasripoor ,  Imdad Imam ,  Norman Arnold Turnquist

IPC分类号： F16J9/16

CPC分类号： F16J15/445 ,  F15B15/1452 ,  F16J9/06 ,  F16J9/064

摘要： Disclosed is an actuator that includes a cylinder having an input port, a piston disposed at least partially inside of the cylinder, and one or more piston rings disposed in a circumferential piston ring groove or grooves. The actuator also includes at least one spring, inserted into the circumferential piston ring groove adjacent to the one or more piston rings and a high pressure side of said piston ring. The spring preloads the one or more piston rings to seal between a low pressure face of the one or more piston rings and a low pressure face of the circumferential piston ring groove. The invention also includes a method for moving an adjustable seal in a radial direction using the piston-ring sealed actuator. The method includes moving the adjustable seal in an axial direction, breaking a primary axial contact between the adjustable seal and a primary sealing face.

摘要翻译： 公开了一种致动器，其包括具有输入端口的气缸，至少部分地设置在气缸内部的活塞以及设置在周向活塞环槽或凹槽中的一个或多个活塞环。 致动器还包括至少一个弹簧，其插入到与一个或多个活塞环相邻的圆周活塞环槽和所述活塞环的高压侧。 弹簧预加载一个或多个活塞环以在一个或多个活塞环的低压面和周向活塞环槽的低压面之间进行密封。 本发明还包括使用活塞环密封的致动器沿径向移动可调节密封件的方法。 该方法包括沿轴向方向移动可调节密封件，从而破坏可调节密封件与主密封面之间的主轴向接触。

公开(公告)号：US20080098884A1

公开(公告)日：2008-05-01

申请号：US11588952

申请日：2006-10-27

申请人： Kripa Kiran Varanasi ,  Shorya Awtar ,  Frederick George Baily ,  Mark Edward Burnett ,  Farshad Ghasripoor ,  Imdad Imam ,  Norman Arnold Turnquist

发明人： Kripa Kiran Varanasi ,  Shorya Awtar ,  Frederick George Baily ,  Mark Edward Burnett ,  Farshad Ghasripoor ,  Imdad Imam ,  Norman Arnold Turnquist

IPC分类号： F16J15/18

CPC分类号： F16J15/445 ,  F15B15/1452 ,  F16J9/06 ,  F16J9/064

摘要： Disclosed is an actuator that includes a cylinder having an input port, a piston disposed at least partially inside of the cylinder, and one or more piston rings disposed in a circumferential piston ring groove or grooves. The actuator also includes at least one spring, inserted into the circumferential piston ring groove adjacent to the one or more piston rings and a high pressure side of said piston ring. The spring preloads the one or more piston rings to seal between a low pressure face of the one or more piston rings and a low pressure face of the circumferential piston ring groove. The invention also includes a method for moving an adjustable seal in a radial direction using the piston-ring sealed actuator. The method includes moving the adjustable seal in an axial direction, breaking a primary axial contact between the adjustable seal and a primary sealing face.

摘要翻译： 公开了一种致动器，其包括具有输入端口的气缸，至少部分地设置在气缸内部的活塞以及设置在周向活塞环槽或凹槽中的一个或多个活塞环。 致动器还包括至少一个弹簧，其插入到与一个或多个活塞环相邻的圆周活塞环槽和所述活塞环的高压侧。 弹簧预加载一个或多个活塞环以在一个或多个活塞环的低压面和周向活塞环槽的低压面之间进行密封。 本发明还包括使用活塞环密封的致动器沿径向移动可调节密封件的方法。 该方法包括沿轴向方向移动可调节密封件，从而破坏可调节密封件与主密封面之间的主轴向接触。

公开(公告)号：US06786487B2

公开(公告)日：2004-09-07

申请号：US09683254

申请日：2001-12-05

申请人： Osman Saim Dinc ,  Norman Arnold Turnquist ,  Mehmet Demiroglu ,  Hamid Reza Sarshar ,  Ahmad Safi ,  Mahmut Faruk Aksit ,  Roger Neal Johnson ,  Anthony Holmes Furman ,  Imdad Imam ,  Gerald Burt Kliman ,  James Hopkins ,  Richard Robert Larsen ,  David Michael Prowse ,  Steven Wayne Russell

发明人： Osman Saim Dinc ,  Norman Arnold Turnquist ,  Mehmet Demiroglu ,  Hamid Reza Sarshar ,  Ahmad Safi ,  Mahmut Faruk Aksit ,  Roger Neal Johnson ,  Anthony Holmes Furman ,  Imdad Imam ,  Gerald Burt Kliman ,  James Hopkins ,  Richard Robert Larsen ,  David Michael Prowse ,  Steven Wayne Russell

IPC分类号： F01D1102

CPC分类号： F01D11/025 ,  F05D2240/55 ,  F05D2240/56 ,  F05D2270/62 ,  F16J15/445 ,  Y10S277/929

摘要： An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising a seal and a seal carrier coupled to the seal is provided. A displacement apparatus is coupled to the seal carrier for positioning the seal so as to control the flow in the fluid path. In addition, a drive system is provided for powering the displacement apparatus.

摘要翻译： 提供了一种用于控制涡轮机械中的流体路径中的流动的致动密封组件，包括密封件和联接到密封件的密封载体。 位移设备联接到密封载体上，用于定位密封件，以便控制流体路径中的流动。 此外，提供驱动系统来为位移设备供电。

公开(公告)号：US06920794B2

公开(公告)日：2005-07-26

申请号：US10065346

申请日：2002-10-07

申请人： Huageng Luo ,  Norman Arnold Turnquist ,  Imdad Imam

发明人： Huageng Luo ,  Norman Arnold Turnquist ,  Imdad Imam

IPC分类号： F16F15/00 ,  F16F15/02 ,  G05B5/01 ,  G05D19/02 ,  G01H1/00

CPC分类号： G05B5/01 ,  F16F15/005 ,  F16F15/02 ,  G05D19/02

摘要： A vibration control system for a rotary machine having a rotor, includes a sensor disposed within the rotary machine for sensing vibration of the rotor, a vibration damping device disposed within the rotary machine for imparting a reaction force to the rotor, and a controller arranged in operable communication with the sensor and the vibration damping device. The controller is adapted to receive a sensor signal from the sensor and to send a control signal to the vibration damping device for damping the vibration of the rotor.

摘要翻译： 一种用于具有转子的旋转机械的振动控制系统，包括设置在旋转机器内用于感测转子振动的传感器，设置在旋转机械内的用于向转子施加反作用力的减振装置，以及布置在 与传感器和减振装置的可操作的通信。 控制器适于接收来自传感器的传感器信号，并将控制信号发送到减震装置，以阻尼转子的振动。

公开(公告)号：US07976026B2

公开(公告)日：2011-07-12

申请号：US11796815

申请日：2007-04-30

申请人： Nikhil Kumar Verma ,  Imdad Imam ,  Vineet Ghate ,  Sean Douglas Feeny ,  William Edward Adis ,  Shorya Awtar ,  Jason Paul Mortzheim

发明人： Nikhil Kumar Verma ,  Imdad Imam ,  Vineet Ghate ,  Sean Douglas Feeny ,  William Edward Adis ,  Shorya Awtar ,  Jason Paul Mortzheim

IPC分类号： F16J15/32

CPC分类号： F16J15/3292 ,  F01D11/00 ,  F05D2240/57 ,  F05D2300/505 ,  Y10T29/49826

摘要： A method and seal assembly for a rotary machine including a rotary component and a stationary component is provided. The method includes providing a seal housing including a front plate and a back plate that is spaced from the front plate such that a cavity is defined between the front plate and the back plate. The method also includes coupling a plurality of flexible compliant plates to at least one of the seal housing and the stationary component such that the compliant plates are spaced from the front plate and the back plate within the cavity, and coupling at least one projection to at least one of the seal housing and the compliant plates such that the at least one projection facilitates reducing flow through at least one of a first axial gap and a second axial gap that are defined between the seal housing and the compliant plates.

摘要翻译： 提供一种用于包括旋转部件和固定部件的旋转机械的方法和密封组件。 该方法包括提供密封壳体，其包括与前板间隔开的前板和后板，使得在前板和后板之间限定空腔。 该方法还包括将多个柔性柔性板耦合到密封壳体和静止部件中的至少一个，使得柔性板与空腔内的前板和后板间隔开，并且将至少一个突起连接到 密封壳体和柔性板中的至少一个，使得至少一个突出部有助于减少通过限定在密封壳体和柔性板之间的第一轴向间隙和第二轴向间隙中的至少一个的流动。

公开(公告)号：US20090309311A1

公开(公告)日：2009-12-17

申请号：US11796815

申请日：2007-04-30

申请人： Nikhil Kumar Verma ,  Imdad Imam ,  Vineet Ghate ,  Sean Douglas Feeny ,  William Edward Adis ,  Shorya Awtar ,  Jason Paul Mortzheim

发明人： Nikhil Kumar Verma ,  Imdad Imam ,  Vineet Ghate ,  Sean Douglas Feeny ,  William Edward Adis ,  Shorya Awtar ,  Jason Paul Mortzheim

IPC分类号： F16J15/44 ,  B23P11/00

CPC分类号： F16J15/3292 ,  F01D11/00 ,  F05D2240/57 ,  F05D2300/505 ,  Y10T29/49826

摘要： A method and seal assembly for a rotary machine including a rotary component and a stationary component is provided. The method includes providing a seal housing including a front plate and a back plate that is spaced from the front plate such that a cavity is defined between the front plate and the back plate. The method also includes coupling a plurality of flexible compliant plates to at least one of the seal housing and the stationary component such that the compliant plates are spaced from the front plate and the back plate within the cavity, and coupling at least one projection to at least one of the seal housing and the compliant plates such that the at least one projection facilitates reducing flow through at least one of a first axial gap and a second axial gap that are defined between the seal housing and the compliant plates.

摘要翻译： 提供一种用于包括旋转部件和固定部件的旋转机械的方法和密封组件。 该方法包括提供密封壳体，其包括与前板间隔开的前板和后板，使得在前板和后板之间限定空腔。 该方法还包括将多个柔性柔性板耦合到密封壳体和静止部件中的至少一个，使得柔性板与空腔内的前板和后板间隔开，并且将至少一个突起连接到 密封壳体和柔性板中的至少一个，使得至少一个突出部有助于减少通过限定在密封壳体和柔性板之间的第一轴向间隙和第二轴向间隙中的至少一个的流动。

公开(公告)号：US4984173A

公开(公告)日：1991-01-08

申请号：US363841

申请日：1989-06-09

申请人： Imdad Imam ,  Gerald J. Carlson

发明人： Imdad Imam ,  Gerald J. Carlson

IPC分类号： G01B21/24 ,  G01H1/00

CPC分类号： G01B21/24 ,  G01H1/003

摘要： Each bearing of an aligned line-shaft has vibration responses which differ from the vibration responses of a misaligned system in which at least one of the bearings is statically displa=ced. Computed static displacement values for each bearing are derived from the equation of motion of the system employing mass, stiffness and damping coefficients of the system. The static displacement value of each bearing is computed from the vibration responses of all of the bearings. Accelerometers sense the vibration response of each bearing. A computer computes the magnitude of misalignment of each bearing from the sensed responses. The computed results provide an indication of the magnitude of static displacement of each bearing of the system causing the sensed vibration response.

摘要翻译： 对准的线轴的每个轴承具有不同于其中至少一个轴承静止位置的未对准系统的振动响应的振动响应。 每个轴承的计算静态位移值是从采用系统的质量，刚度和阻尼系数的系统的运动方程得出的。 每个轴承的静态位移值由所有轴承的振动响应计算。 加速度传感器检测每个轴承的振动响应。 计算机从感测到的响应计算每个轴承的未对准的大小。 计算结果提供了导致感测的振动响应的系统的每个轴承的静态位移的大小的指示。

公开(公告)号：US4225761A

公开(公告)日：1980-09-30

申请号：US841429

申请日：1977-10-12

申请人： Philip Barkan ,  Imdad Imam

发明人： Philip Barkan ,  Imdad Imam

IPC分类号： H01H33/666 ,  H01H33/66

CPC分类号： H01H33/666 ,  H01H2033/6667

摘要： This circuit breaker comprises a plurality of a vacuum-type circuit interrupters, each having a movable contact rod. A common operating device for the interrupters comprises a linearly-movable operating member. The interrupters are mounted at one side of the operating member with their movable contact rods extending in a direction generally toward the operating member. Means is provided for mechanically coupling the operating member to the contact rods, and this means comprises a plurality of insulating operating rods, each connected at one end to the operating member and at its opposite end to one of the movable contact rods. The operating rods are of substantially equal length and have longitudinal axes that converge and intersect at substantially a common point.

摘要翻译： 该断路器包括多个真空型电路断路器，每个断路器均具有可动接触杆。 用于断路器的常用操作装置包括线性可移动操作构件。 断路器安装在操作构件的一侧，其可动接触杆沿大致朝向操作构件的方向延伸。 提供了用于将操作构件机械地联接到接触杆的装置，并且该装置包括多个绝缘操作杆，每个绝缘操作杆的一端连接到操作构件，并且在其相对端部连接到一个可动接触杆。 操作杆的长度基本上相同，并且具有在基本相同的点处会聚和相交的纵轴。

公开(公告)号：US5258923A

公开(公告)日：1993-11-02

申请号：US076311

申请日：1987-07-22

申请人： Imdad Imam ,  Steven H. Azzaro ,  Raymond J. Bankert

发明人： Imdad Imam ,  Steven H. Azzaro ,  Raymond J. Bankert

IPC分类号： G01H1/00 ,  G01N29/12 ,  G01M7/00

CPC分类号： G01N29/12 ,  G01H1/003 ,  G01N2291/2693

摘要： System and method for detecting the occurrence, location and depth of a crack in the rotor of a turbine-generator. The location and depth of a crack are determined by monitoring the fundamental and histogram harmonic components of vibrations at certain predetermined points along the length of the rotor. The histogram harmonic components are normalized relative to the fundamental component, and the normalized histogram harmonic components are monitored to determine the location of the crack. The unnormalized histogram harmonic components are analyzed to determine the depth of the crack. The occurrence of a crack is detected by monitoring the amplitude and phase of rotor vibrations during an accel or decel operation to detect harmonic resonances which are characteristic of a crack in the rotor. The amplitude and phase data is filtered to eliminate spurious data, and it is interpolated to provide baseline and current data at matching speed points.

摘要翻译： 用于检测涡轮发电机转子中裂纹的发生，位置和深度的系统和方法。 裂纹的位置和深度通过监测沿着转子长度的某些预定点的振动的基本和直方图谐波分量来确定。 直方图谐波分量相对于基波分量进行归一化，并且监测归一化的直方图谐波分量以确定裂纹的位置。 分析非标准化直方图谐波分量以确定裂纹的深度。 通过在加速或减速操作期间监测转子振动的振幅和相位来检测裂纹的发生，以检测作为转子裂纹特征的谐波谐振。 过滤幅度和相位数据以消除杂散数据，并将其内插以在匹配的速度点提供基线和当前数据。

公开(公告)号：US4927342A

公开(公告)日：1990-05-22

申请号：US282784

申请日：1988-12-12

申请人： Jeung T. Kim ,  Imdad Imam

发明人： Jeung T. Kim ,  Imdad Imam

IPC分类号： F04C29/06

CPC分类号： F04C29/061 ,  F04C29/068 ,  Y10S181/403

摘要： A Helmholtz resonator is used in communication with the compression chamber of a rotary compressor in order to attenuate noise. The resonator concentrates the attenuation of noise in a frequency band around 4 kHz corresponding to the concentration of noise produced by a particular rotary compressor, this band also corresponding to the frequencies which the human ears are most sensitive to. The resonator branches off from the discharge port in an end wall of the compressor. The resonantor uses an easily machined cylindrical resonance cavity on the surface of the end wall, the resonance cavity also being bounded on one side by a cylindrical wall of the rotary compressor. The resonator significantly reduces the noise in a rotary compressor of a specific type commonly used for compressing refrigerant gases in a refrigerator.

摘要翻译： 亥姆霍兹共振器用于与旋转压缩机的压缩室连通以衰减噪声。 谐振器将噪声的衰减集中在与由特定旋转压缩机产生的噪声的浓度相对应的大约4kHz的频带中，该频带也对应于人耳最敏感的频率。 谐振器从压缩机的端壁中的排出口分支。 谐振器在端壁的表面上使用容易加工的圆柱形谐振腔，谐振腔也通过旋转式压缩机的圆柱形壁在一侧限定。 谐振器显着地降低了通常用于压缩冰箱中的制冷剂气体的特定类型的旋转压缩机中的噪声。