Tech4imaging LLC

Ohio State Innovation Foundation

The Ohio State University

Infrastructure Preservation Corporation

Qussai Marashdeh

Christopher Edward Zuccarelli

Yousef Alghothani

Geoffrey Legg

Fernando Teixeira

Benjamin Straiton

Liang-Shih Fan

Burak Gurlek

Shah Chowdhury

Mohd Harish

Bradley L Hunter

Zeeshan Zeeshan

Cagdas Gunes

Joshua Sines

Jesse Hudak

William Seavey

Andrew Tong

Bill Seavey

Warsito Warsito

David Matthews

An electrical capacitance volume tomography sensor for use in high temperature, high pressure applications for measuring or imaging a flow within the sensor, the sensor comprising an outer pressure vessel, a plurality of electrodes placed within the outer pressure vessel, a plurality of threaded studs, wherein one of the threaded studs is attached to one of the plurality of electrodes, a coating or layer is placed on the plurality of electrodes for electrically isolating the plurality of electrodes, a plurality of holes in the outer pressure vessel for allowing terminal connections to the plurality of electrodes within the outer pressure vessel, wherein each of the plurality of holes accepts one of the plurality of threaded studs, and a plurality of gaskets, where one gasket is placed at each of the plurality of holes to seal the pressure at each of the holes in the outer pressure vessel by placing one gasket concentric around one threaded stud and conforming each gasket between a back of an electrode and the inside wall of the pressure vessel by tightening each of the plurality of nuts on each of the threaded studs.

Extreme-condition sensors for use with electrical capacitance volume tomography and capacitance sensing applications

A system and method for Displacement Current Phase Tomography. The present system invention obtains a linear relationship between mutual displacement current from a sensor (output current of the measuring electrode terminals) and the area (or volume) of an object to be imaged in the imaging domain. The system uses capacitance sensors and utilizes the phase of the measured current, in addition to the amplitude, to reconstruct an image.

Displacement current phase tomography for imaging of lossy medium

The present invention uses a plurality of magnetic field sources and magnetic field sensors mounted against a surface. Based on the mass of ferromagnetic material, such as steel, the magnetic field sensors detect variable magnetic field strength and this variance is proportional to the mass of ferromagnetic material being detected. An electronic device reads the magnetic field values and uses the information to quantify the ferromagnetic material in the surface or inside the volume of the construction component.

Differential magnetic field tomography

The present invention provides a system and method for multi-phase flow decomposition using electrical capacitance imaging techniques. The present invention provides a system and method to obtain permittivity distributions at a plurality of frequency markers using volume tomography image reconstruction to determine volume fraction of each phase and to produce images of the volume fraction for each phase.

Multi-phase flow decomposition using electrical capacitance volume tomography sensors

A system and method for imaging, monitoring, or measuring systems and processes utilizing only data provided from capacitance sensors. The present invention combines the multi-frequency method of both ECVT/AECVT and DCPT to image or measure processes and systems more efficiently and accurately than the methods alone. The present system analyzes capacitance and current phase acquired at multiple frequencies to determine a plurality of properties of single and multiphase systems all at once. The combined use of ECVT and DCPT in multiphase flow can also be extended to measure volume fraction and phase distribution of flows involving greater than three phases by using multiple frequencies for capacitance, current phase, or both.

Multi-dimensional approach to imaging, monitoring, or measuring systems and processes utilizing capacitance sensors

A stretchable capacitance sensor having multiple components for communicating signals to a data acquisition system for reconstructing an image of an area or object located in a subject being sensed, and for calculating the shape or conformity that it is in. The stretchable sensor consists of an inner layer of plates that provide the capacitance data, a middle layer of plates that provide the geometry-sensing data, and an outer layer of plates that serves as the shielding ground layer. The configuration of all three components can be variably changed to increase the capacitance data channels, increase or decrease flexibility and stretchability of the sensor, and increase the spatial resolution of the geometry sensing feature. The sensor is adapted to communicate signals to a data acquisition system for providing an image of the area or object between the capacitance plates.

Smart capacitance sensors for use with electrical capacitance volume tomography and capacitance sensing applications

The present invention uses a magnetic source and pressure sensors mounted against a surface. Based on the mass of metal inside a volume, the magnetic source is attracted to the surface and exerts pressure on the pressure sensor that is proportional to the mass of metal being detected. An electronic device reads the pressure value and uses the information to quantify the metal in the surface or inside the volume of the construction component.

Magnetic pressure sensors system for measurement and imaging of steel mass

The present invention provides a system and method for velocity vector field calculation at the voxel level of a multi-phase flow system using Electrical Capacitance Volume Tomography sensors.

Velocity vector field mapping using electrical capacitance sensors

A flexible capacitance sensor having multiple layers for communicating signals to a data acquisition system for reconstructing an image of an area or object located in a subject being sensed, the flexible capacitance sensor having a flexible layer of capacitance plates; a flexible shielding ground layer next to the layer of capacitance plates; a flexible layer of signal traces next to the shielding ground layer, where the layer of signal traces has a plurality of trace lines; and where the capacitance sensor is flexible and adapted to be wrapped around the subject being sensed. The sensor is adapted to communicate signals via the plurality of trace lines to a data acquisition system for providing an image of the area or object between the capacitance plates.

Modular stretchable and flexible capacitance sensors for use with electrical capacitance volume tomography and capacitance sensing applications

A control system and data acquisition system for an electrical capacitance tomography sensor comprised of a sensor having a plurality of electrodes, where each electrode is further comprised of a plurality of capacitance segments. Each of the capacitance segments of each electrode can be individually addressed to focus the electric field intensity or sensitivity to desired regions of the electrodes and the sensor.

Interactive and adaptive data acquisition system for use with electrical capacitance volume tomography

An electrical capacitance tomography sensor including a sensor having a plurality of electrodes, where each electrode is formed from a plurality of capacitance segments. Each of the capacitance segments of each electrode can be individually addressed to focus the electric field intensity or sensitivity to desired regions of the electrodes and the sensor.

Growing community of inventors

Columbus, OH, United States of America

Qussai Marashdeh