Patents by Inventor Samir Mekid

Samir Mekid has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8956068
    Abstract: The kinematic platform is a spherical-prismatic-spherical kinematic platform providing six degrees of freedom with controlled braking at each joint. The kinematic platform includes a base and an upper platform plate, with the upper platform plate having opposed upper and lower surfaces. The upper surface thereof provides a mounting surface for an external article to which controlled three-dimensional movement is to be imparted. A plurality of linear actuators are further provided, with each linear actuator having opposed upper and lower ends. A plurality of upper and lower spherical joints are provided for pivotally mounting the linear actuators between the upper platform plate and a lower base. Each spherical joint provides selective and controllable braking, allowing for the controlled rotation of each end of each linear actuator with respect to the respective upper platform plate or base.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: February 17, 2015
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Samir Mekid, Azfar Khalid
  • Patent number: 8925590
    Abstract: The pipeline leak detection and repair device is an autonomous machine that travels through a pipeline to detect very small leaks therein. The device also repairs those leaks with an on-board repair component. The repair occurs nearly simultaneously with the leak detection as the device passes the leak. The device includes a plurality of thin, flexible sensor leaves in a radial array. The leaves are positioned to place them nearly in contact with the inner surface of the pipe wall. Each leaf includes two sensors installed on its opposite surfaces. Flexure of the leaf due to changes in pressure gradient as the leaf passes a leak results in signals from the sensors being sent to an onboard processor. The processor determines the position of the affected leaf, and rotates a repair component to apply a pressure-sensitive tape patch over the leak as the repair component passes the leak.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: January 6, 2015
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Atia Esmaeil Khalifa, Samir Mekid
  • Publication number: 20140345367
    Abstract: The pipeline leak detector is a mobile device having a pressure sensor array for travel within a fluid pipeline for leak detection in the pipe wall. The sensor array is positioned close to the internal surface of the pipe wall and rotates circumferentially about the surface of the pipe wall as the device travels through the pipe, thus describing a helical path along the pipe wall to cover the entire internal surface of the pipe wall with a minimal number of sensors. The sensors comprise tubes with conical mouths, and flexible members and strain gauges within the tubes. Pressure changes due to leaks cause the flexible members to move, with the strain gauges sending signals to a central processor to indicate a leak. The device is supported by a drive wheel, a driven wheel, and an idler wheel bearing against the internal surface of the pipe and evenly circumferentially spaced.
    Type: Application
    Filed: September 12, 2013
    Publication date: November 27, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: SAMIR MEKID, RACHED BEN-MANSOUR
  • Publication number: 20140345366
    Abstract: The pipeline leak detector is a mobile device having one or more pressure sensor arrays for travel within a fluid pipeline for leak detection in the pipe wall. The sensor array(s) is positioned close to the internal surface of the pipe wall, and rotates circumferentially about the surface of the pipe wall as the device travels through the pipe. The sensor array(s) thus describes a helical path along the pipe wall, covering the entire internal surface of the pipe wall with a minimal number of sensors. The device is supported by three wheels bearing against the internal surface of the pipe wall. A drive wheel provides motive power for the device. A driven wheel rotates as it travels along the pipe wall and communicates rotationally with the sensor array(s) to drive its rotation. The third wheel is an idler to stabilize the axial orientation of the device within the pipe.
    Type: Application
    Filed: May 21, 2013
    Publication date: November 27, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: SAMIR MEKID, RACHED BEN-MANSOUR
  • Patent number: 8893563
    Abstract: A differential capacitance torque sensor utilizes multiple voltage sources in order to compensate for inherent electrical asymmetries in the sensor. A first voltage source having a voltage V1 is electrically connected across a longitudinally-extending, conductive proof mass, a first upper capacitor C1 and the second lower capacitor C4. A second voltage source having a voltage V2 is connected in series with the first voltage source, a second upper capacitor C3 and a first lower capacitor C2, such that the voltage V2 is given by V 2 = ? ? + 1 ? V 1 , where ? is a parameter defined as ? = C 2 + C 3 C 1 + C 4 - 1.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: November 25, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Samir Mekid, Igor Gilavdary
  • Patent number: 8897477
    Abstract: The dual resonator chamber with variable volume includes first and second housings. The second housing is slidably mounted within the first housing such that a second inner neck portion of the second housing is slidably mounted about the first inner neck portion of the first housing and forms a fluid-tight seal therewith. A sliding wall is slidably mounted within the second housing, dividing the interior thereof into upper and lower resonator chambers. At least one first actuator selectively adjusts the height of the sliding wall with respect to the second lower end of the second housing to selectively adjust volumes of the upper and lower resonator chambers. At least one second actuator selectively adjusts the height of the second housing with respect to the first housing to selectively adjust the neck length of the lower resonator chamber.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: November 25, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventor: Samir Mekid
  • Patent number: 8893557
    Abstract: The fastener tension monitoring system provides for automatic notification when a structural tensile fastener, such as a bolt, is loosened. The system incorporates piezoelectric material in the core of the fastener shank or deposited around the shank. The piezoelectric material communicates electrically with an electrical storage device, a microprocessor, and a transmitter installed on the fastener head. Vibration or other changes in the tensile force developed by the fastener result in electrical impulses being generated by the piezoelectric material, generating electrical energy that is stored in the storage device and used to operate the microprocessor. In the event that an out of tolerance condition is sensed by the microprocessor, the transmitter is activated to send a signal to that effect. A receiver and computer are provided to monitor any such signals. The piezoelectric material may include pyroelectric material as well for the generation of electrical energy due to temperature changes.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: November 25, 2014
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Samir Mekid, Uthman Baroudi
  • Publication number: 20140338770
    Abstract: The dual resonator chamber with variable volume includes first and second housings. The second housing is slidably mounted within the first housing such that a second inner neck portion of the second housing is slidably mounted about the first inner neck portion of the first housing and forms a fluid-tight seal therewith. A sliding wall is slidably mounted within the second housing, dividing the interior thereof into upper and lower resonator chambers. At least one first actutator selectively adjusts the height of the sliding wall with respect to the second lower end of the second housing to selectively adjust volumes of the upper and lower resonator chambers. At least one second actuator selectively adjusts the height of the second housing with respect to the first housing to selectively adjust the neck length of the lower resonator chamber.
    Type: Application
    Filed: May 20, 2013
    Publication date: November 20, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: SAMIR MEKID
  • Publication number: 20140341385
    Abstract: The dual resonator chamber with variable volume includes first and second housings. The second housing is slidably mounted within the first housing such that a second inner neck portion of the second housing is slidably mounted about the first inner neck portion of the first housing and forms a fluid-tight seal therewith. A sliding wall is slidably mounted within the second housing, dividing the interior thereof into upper and lower resonator chambers. At least one first actutator selectively adjusts the height of the sliding wall with respect to the second lower end of the second housing to selectively adjust volumes of the upper and lower resonator chambers. At least one second actuator selectively adjusts the height of the second housing with respect to the first housing to selectively adjust the neck length of the lower resonator chamber.
    Type: Application
    Filed: August 19, 2013
    Publication date: November 20, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: SAMIR MEKID, MAAZ FAROOQUI
  • Patent number: 8866648
    Abstract: The through metal communication system sends messages by tapping on metal barriers, such as pipelines, bulkheads, and the like. A robotic element attaches itself to a metal barrier, wall, pipe, and the like. A piezoelectric tapping device is attached to the robotic element and can tap an encoded message onto the metal. The robot preferably includes a piezoelectric actuator, a microcontroller to convert text/information to Morse code, and a power source for the actuator. The messages are retrieved and interpreted by a remote transducer connected to a computer or microcontroller.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: October 21, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventor: Samir Mekid
  • Publication number: 20140216587
    Abstract: The pipeline leak detection and repair device is an autonomous machine that travels through a pipeline to detect very small leaks therein. The device also repairs those leaks with an on-board repair component. The repair occurs nearly simultaneously with the leak detection as the device passes the leak. The device includes a plurality of thin, flexible sensor leaves in a radial array. The leaves are positioned to place them nearly in contact with the inner surface of the pipe wall. Each leaf includes two sensors installed on its opposite surfaces. Flexure of the leaf due to changes in pressure gradient as the leaf passes a leak results in signals from the sensors being sent to an onboard processor. The processor determines the position of the affected leaf, and rotates a repair component to apply a pressure-sensitive tape patch over the leak as the repair component passes the leak.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 7, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: ATIA ESMAEIL KHALIFA, SAMIR MEKID
  • Publication number: 20140190267
    Abstract: The fastener tension monitoring system provides for automatic notification when a structural tensile fastener, such as a bolt, is loosened. The system incorporates piezoelectric material in the core of the fastener shank or deposited around the shank. The piezoelectric material communicates electrically with an electrical storage device, a microprocessor, and a transmitter installed on the fastener head. Vibration or other changes in the tensile force developed by the fastener result in electrical impulses being generated by the piezoelectric material, generating electrical energy that is stored in the storage device and used to operate the microprocessor. In the event that an out of tolerance condition is sensed by the microprocessor, the transmitter is activated to send a signal to that effect. A receiver and computer are provided to monitor any such signals. The piezoelectric material may include pyroelectric material as well for the generation of electrical energy due to temperature changes.
    Type: Application
    Filed: January 9, 2013
    Publication date: July 10, 2014
    Applicants: KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY, KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: SAMIR MEKID, UTHMAN BAROUDI
  • Patent number: 8726740
    Abstract: The multi-axis dynamometer provides detailed information regarding the forces developed between the machine tool or bit and the workpiece during machining operations. Force sensing is provided along three mutually orthogonal axes, sensing being provided in opposite directions along two of the axes. A housing is split along its diagonal to form two portions that connect together at one corner, a clamp bolt adjustably securing the two opposite corners together. A workpiece holder receptacle is provided between the two portions, and a workpiece fits closely within the receptacle. Four sensors are installed on the four walls of the receptacle, and a fifth sensor is installed on the floor of the receptacle. Preload is applied to the sensors by adjusting the clamping force of the clamp bolt. Motion of the workpiece during machining operations produces forces upon the sensors, the sensor output being received by a microcontroller and transmitted for further use.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: May 20, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventor: Samir Mekid
  • Publication number: 20140130577
    Abstract: Leak detection apparatus for deployment in a pipe. The apparatus includes a carrier disposed for motion along the pipe and a detector connected to move with the carrier in an axial direction. The detector comprises a drum mounted for rotation about pitch and yaw axes. A flexible material is mounted on, and extends from, the drum and at least two sensors responsive to drum rotation are provided. The flexible material will be drawn into contact with a wall of the pipe at a leak location, thereby producing a torque on the drum, causing the drum to rotate, and the at least two sensors to generate signals from which leak location is determined.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 15, 2014
    Inventors: Dimitrios Chatzigeorgiou, Samir Mekid, Rached Ben-Mansour, Atia Khalifa, Kamal Youcef-Toumi
  • Patent number: 8705019
    Abstract: The structural material with embedded sensors provides of diagnostics and measurement of static and/or dynamic strains in structures and structural elements formed from the structural material. The structural material includes an array of fiber Bragg grating sensors or the like embedded therein for strain measurement and monitoring. An array of linear channels is formed in the structural element, and the plurality of fiber Bragg grating sensors are respectively disposed therein. The plurality of fiber Bragg grating sensors communicate with a signal analyzer, which receives the signals generated by the fiber Bragg grating sensors, the signals being representative of a magnitude of a strain placed on the structural element. The signal analyzer may, in turn, transmit a conditioned signal to a computer or the like for presentation of strain data to the user.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: April 22, 2014
    Assignee: King Fahd University of Petroleum and Minerals
    Inventor: Samir Mekid
  • Publication number: 20140022529
    Abstract: The structural material with embedded sensors provides of diagnostics and measurement of static and/or dynamic strains in structures and structural elements formed from the structural material. The structural material includes an array of fiber Bragg grating sensors or the like embedded therein for strain measurement and monitoring. An array of linear channels is formed in the structural element, and the plurality of fiber Bragg grating sensors are respectively disposed therein. The plurality of fiber Bragg grating sensors communicate with a signal analyzer, which receives the signals generated by the fiber Bragg grating sensors, the signals being representative of a magnitude of a strain placed on the to structural element. The signal analyzer may, in turn, transmit a conditioned signal to a computer or the like for presentation of strain data to the user.
    Type: Application
    Filed: July 23, 2012
    Publication date: January 23, 2014
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventor: SAMIR MEKID
  • Patent number: 8608398
    Abstract: The spherical joint with internal brake has a controlled actuator that selectively brakes relative motion between interior members and an outer shell of the spherical ball joint. A shaft extending from the internal members can be stopped at any rotational position relative to the shell. The internal members may include a central spherical sectioned member sandwiched by a pair of symmetrically opposed peripheral spherical sectioned members, which selectively act as brakes when an actuator in the central member is energized. The energized actuator has a dual piston that pushes outwardly on the pair of opposed peripheral segments, which increases friction between the peripheral segments and an interior wall of the spherical shell to brake the system. The shaft extends from the central spherical sectioned member through an aperture in the shell. The size of the shell aperture determines the range of rotational motion of the shaft.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: December 17, 2013
    Assignee: King Fahd University of Petroleum and Minerals
    Inventor: Samir Mekid
  • Patent number: 8596134
    Abstract: The bolt tension monitoring system provides remote monitoring of the tension of a bolt, thus allowing for remote monitoring of general structural health and integrity of the fastener. The bolt tension monitoring system includes a housing adapted for being retained on a head of a bolt to be monitored. The system further includes a force transducer positioned between the head of the bolt and a surface in which the bolt is fastened and measures tension between the head of the bolt and the workpiece surface. A controller circuit within the housing calculates the difference between currently measured tension between the head of the bolt and the workpiece surface and an initially measured tension. A wireless transponder mounted in the housing transmits an alert signal if the calculated difference exceeds a pre-defined threshold value.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: December 3, 2013
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Samir Mekid, Abdelhafid Bouhraoua
  • Patent number: 8540468
    Abstract: The smart lid for smart bolts and probes is an electronic sensor for use with a smart bolt or probe having a color indicator for indicating tension. The smart lid includes a color sensor that provides electrical data corresponding to light received from the color indicator of the smart bolt or probe, a microcontroller that receives electrical data from the color sensor and converts that data to a digital form and compares the data against at least one limit, and provides a digital indication wirelessly to a remote monitor if the at least one limit has been exceeded. In this fashion a warning or emergency condition can be indicated when the tension experienced by the smart bolt is too low or too high. The smart lid may include an electrical power source that scavenges electrical power from ambient electromagnetic fields (EMF) and stores the electrical power in a battery.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: September 24, 2013
    Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and Technology
    Inventors: Samir Mekid, Abdelhafid Bouhraoua, Uthman Baroudi
  • Publication number: 20130199272
    Abstract: Leak detection system. The system locates leaks in a pipeline that includes RFID tags deployed at known locations along the pipeline. A pair of bodies tethered to one another a fixed distance apart travels along the pipeline. Each of the bodies is supported for movement substantially along the centerline of the pipeline and each body includes a sensor responsive to sound or pressure variations generated by a leak. Signals are correlated to identify the existence of a leak. Each body also includes an RFID reader for reading the RFID tags in the pipeline. At least one of the bodies includes a power supply and/or electronics that are adapted to correlate signals from sensor on each body to determine the location of a leak within the pipeline.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 8, 2013
    Applicants: King Fahd University of Petroleum and Minerals, Massachusetts Institute of Technology
    Inventors: Atia Khalifa, Rached Ben-Mansour, Yehia Khulief, Samir Mekid, Kamal Youcef-Toumi