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163 Results for 'Engineering'
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Technology
In Situ Alloying
Aspects of the disclosure are directed to methods and/or apparatuses involving the formation of samples or other structures using a dynamically modified mixture of materials. As may be implemented in...
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Dan Thoma, Adrien Couet, Michael Moorehead | P190265US01
Technology
Scaffold For In Vitro Modeling And Transplantation Therapy Of Photoreceptors
Photoreceptor scaffolds that can be used for transplantation of organized photoreceptor tissue, with or without retinal pigment epithelial cells, which may improve grafted cell survival, integration, ...
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Zhenqiang Ma, Juhwan Lee, Yei Hwan Jung, Michael Phillips, David Gamm, Shaoqin Gong, Inkyu Lee | P180243US02
Technology
Bearingless Electrical Machine With Floating Capacitor
A machine drive includes a suspension force inverter, a torque inverter, and a capacitor. The suspension force inverter provides suspension force electrical signals to suspension force electrical term...
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Eric Severson | P180271US02
Technology
Three-Dimensional Printer Laminating Fusible Sheets
A 3D printer successively fuses sheet material in a stack to form a three-dimensional object. The sheet material may provide a mesh separating islands of material that will be fused to produce the de...
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Thomas (Rock) Mackie, Brandon Walker, Nathan Schumacher | P190125US01
Technology
Path Modifying Control System Managing Robot Singularities
A controller for robot arms and the like having mechanical singularities identifies paths near the singularities and modifies those paths to avoid excessive joint movement according to a minimization ...
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Paul Milenkovic | P190303US02
Technology
Current Source Inverter With Bidirectional Switches Background
A switching circuit includes a diode, a semiconductor switch, and a first bidirectional switch. The semiconductor switch is configured to conduct a first current from a second terminal to a third term...
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Thomas Jahns, Hang Dai, Bulent Sarlioglu, Renato Amorim Torres | P190167US01
Technology
Dielectric Nano-Fluid For Electrostatic Machines And Actuators
An electrostatic machine employs a high dielectric fluid comprised of a dielectric liquid with suspended dielectric particles. Electrorheological effects are minimized through small particle sizes and...
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Daniel Ludois, Daniel Klingenberg, Kevin Frankforter | P190170US01
Technology
High Force Density Three Pole Magnetic Bearing
A first radial force value and a second radial force value is received by a radial magnetic bearing controller. Coefficients are computed for a first equation using the first and second radial force v...
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Eric Severson, Nicholas Hemenway | P190159US01
Technology
Integrated Capacitor, Inductor and Resistor for Use as a Power Converter Filter
High-power electrical equipment such as electrical motors are increasingly powered using alternating current (AC) synthesized using semiconductor devices. Desirably, the semiconductors are operated in...
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Daniel Ludois, Andy Schroedermeier | P170329US01
Technology
RCCI – A Clean Compression Engine Combustion Process for High Fuel Efficiency and Low Emissions
Diesel compression ignition engines offer higher efficiency and lower CO2 emissions than their gasoline spark ignition counterparts; however, controlling NOx and soot emissions while achieving high ef...
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Rolf Reitz, Reed Hanson, Derek Splitter, Sage Kokjohn | P100054US01
Technology
Vernier Permanent Magnet Machines with High Torque Density
The vernier permanent magnet (VPM) machine first appeared about 20 years ago. This motor has the potential to create torque well beyond other types of permanent magnet machines and compete with rare e...
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Wenbo Liu, Thomas Lipo | P170230US01
Technology
Integrated Vertical Axis Wind Turbine System Generates More Power from Less Wind with Smaller Turbines
Although horizontal axis wind turbines currently dominate the wind power industry, their vertical axis counterparts offer several advantages. For example, vertical axis systems are powered by wind com...
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Md Maruf Hossain | T170048WO01
Technology
Health Monitoring and Imaging System for Concrete Structures
As of 2016, 39% of the total 614,387 bridges in the US had exceed their design lives. In China, almost 10% of its 779,159 bridges are classified as structurally deficient. Other countries in South Ame...
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Hanwan Jiang, Hanyu Zhan, Ruinian Jiang | T180044WO01
Technology
Carbon Nanotube Vacuum Field Emission Transistor Design for Large-Scale Manufacturing
Most present-day electronics are made with solid-state transistors constructed of semiconducting materials, such as silicon. This solid-state technology largely replaced the prior use of vacuum tubes ...
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Charles Nelson, Harold Evensen | T170007US02
Technology
Converter Control with Reduced Link Capacitor
A converter is an electrical device for converting electrical energy from one form to another, such as between alternating current (AC) and direct current (DC), between different voltages or frequenci...
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Venkata Giri Venkataramanan, Mahima Gupta | P170108US01
Technology
Inverter for Common Mode Voltage Cancellation
In a drive system, a voltage source inverter (VSI) may be used to transfer real power from a DC power source to an AC load. Conventional VSIs consist of two or three phase-legs, each of which is a ser...
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Bulent Sarlioglu, Di Han | P160142US01
Technology
3-D Printer for High Quality, Large-Scale Metal Parts
Despite recent advances in additive manufacturing, especially rapid plastic prototyping, there is still a need for better 3-D metal printers. Current techniques are relatively slow and not up to the t...
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Thomas (Rock) Mackie, Brandon Walker | P150236US01
Technology
Combined Capacitor/Inductor Reduces Circuit Bulk
Inductors and capacitors are fundamental building blocks in many electrical devices and provide energy storage. Inductors store energy in the form of a magnetic field in the vicinity of a coiled condu...
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Daniel Ludois | P140216US01
Technology
Antenna-Based Power Generation with Nanoscale Rectifying Elements
“Rectennas” are antennas that can receive radio signals and rectify them to generate electrical power for wireless power transfer. Potential applications for rectennas range from large-sca...
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Robert Blick, Chulki Kim, Jonghoo Park | P100171US01
Technology
Method for the Growth of Uniform 3-D Nanorod Networks
Nanotubes and nanowires are used extensively to tailor material properties. However, wide implementation of their extraordinary characteristics has been difficult due to their 1-D geometry and limited...
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Xudong Wang, Jian Shi | P110104US01
Technology
Efficient and Automated Analysis of Thin Structures to Enhance Engineering 3-D Modeling Software
Mechanical engineers commonly employ a software modeling tool called finite element analysis (FEA) to virtually simulate a design prior to physical prototyping. In FEA, a three dimensional (3-D)...
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Krishnan Suresh, Kavous Jorabchi, Josh Danczyk | P08425US
Technology
Robust and Improved Surfaces for Biological Microarrays That Reduce Nonspecific Binding
Biological microarrays are valuable tools that enable the parallel analysis of thousands of different analytes. However, one of the chief problems with existing protein microarrays is the nonspecific ...
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Padma Gopalan | P07188US
Technology
Wound Field Synchronous Machines with Enhanced Saliency, Performance
Permanent magnet (PM) machines are used in today’s hybrid and electric vehicles due to their ideal performance characteristics. However, due to cost uncertainty and overseas sourcing, other types of...
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Thomas Lipo, Wenbo Liu | P170015US01
Technology
Photoreceptor Scaffold for In Vitro Modeling and Transplantation Therapy
Photoreceptors are specialized cells that capture and convert light into signals that can be processed by the retina and visual centers of the brain. Supportive cells called the retinal pigment epithe...
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Zhenqiang Ma, Yei Hwan Jung, Michael Phillips, David Gamm, Shaoqin Gong | P160094US01
Technology
Interface Switch for Distributed Energy Resources
Distributed energy resources (DER) are small power generators that are typically located near the customer’s load, where energy is used. Small DER produce low emissions, can be manufactured at l...
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Robert Lasseter, Paolo Piagi | P05322US