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Linear Plasma Actuator for Dynamic Stall Control
Ionizes and Controls Air Flow to Improve Helicopter Wing Performance This helicopter wing flow control device deploys a plasma actuator with a linear counter-flow point embedded electrode design to force airflow around curved surfaces to counter dynamic stalls. Dynamic stalls occur when a wing loses lift at a high pitch rate. These undesirable events...
Published: 8/28/2024   |   Inventor(s): Subrata Roy, Alexander Lilley, Miguel Visbal
Keywords(s):  
Category(s): Technology Classifications > Engineering, Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Materials
Support Medium for 3D Printing Silicone Structures with Fine Features
Ultra-Low Interfacial Tension Material Enables High-Precision Silicone 3D Printing This 3D printing support material allows for liquid ink-printed silicone structures to have features as small as 8 microns. Silicone is a highly useful material due to its high thermal stability and resistance to weathering, ozone, moisture, and UV radiation. However,...
Published: 8/21/2024   |   Inventor(s): Thomas Angelini, Senthilkumar Duraivel, Jon Dobson, Brent Sumerlin
Keywords(s):  
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Mechanical
Nanoparticle-Based Antireflection Glass Coating Composition
Increases the Durability and Abrasion Resistances of Glass Coatings This glass coating composition uses nanoparticle self-assembly to generate a transparent, durable, and abrasion-resistant antireflection glass coating. Inexpensive antireflection coatings on glass substrates are of great industrial application in high-performance optics and optical...
Published: 9/4/2024   |   Inventor(s): Peng Jiang, Fan Gao, Jiachen Wu
Keywords(s):  
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Engineering > Mechanical
Cryogenic Propellant Storage Tank Chill-Down and Filling for Refueling in Microgravity and Reduced Gravity Environments
Uses Spray Cooling with Flow Pulsing to Prevent the Unnecessary Boiling of Cryogenic Propellant Film in Microgravity and Reduced Gravity Environments This storage tank and propellant transfer apparatus conserves valuable cryogenic propellants in reduced gravity and microgravity environments. The extension of human space exploration is NASA’s...
Published: 9/3/2024   |   Inventor(s): Jacob Chung, Jason Hartwig, Hao Wang, Bo-Han Huang, Jun Dong
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Chemical
Retrofitted Gas Turbine Engine for Low-Emission Hydrogen Combustion
Applies Dilution to Lower Combustion Temperature and Emissions, Allowing Engines to Operate on Pure Hydrogen while Minimizing the Generation of Nitrous Oxides Retrofitting gas turbine engines with inlet air dilution enables hydrogen gas combustion for power generation without excessive nitrous oxide emissions. Hydrogen utilization in gas turbine engines...
Published: 3/20/2024   |   Inventor(s): William Lear
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Others > Energy
Heat Transfer Enhancement System for Removing Heat in Microgravity
Dissipates Heat Using Parametric Electrostatic Forcing This heat transfer system removes heat in zero gravity through conductance using vibrations induced by an AC electrostatic force. Heat transfer in microgravity is limited in the absence of buoyancy-driven convection. The conventional heat transfer approaches on Earth utilize buoyancy-driven flow...
Published: 1/22/2024   |   Inventor(s): Ranganathan Narayanan, William O'Brien, Jason Livesay
Keywords(s):  
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Mechanical
Hafnium Oxide Ferroelectric Thin Film for Ferroelectric Random-Access Memory (FeRAM) Manufacturing
Increases Ferroelectricity and Thermal Retention in Complementary Metal-Oxide Semiconductor (CMOS) Applications This hafnium oxide ferroelectric thin film increases ferroelectricity and thermal retention for manufacturing ferroelectric random-access memory (FeRAM). Ferroelectric random-access memory (FeRAM) is a promising emerging technology. It displays...
Published: 10/31/2023   |   Inventor(s): Toshikazu Nishida, Saeed Moghaddam, Glen Walters, Aniruddh Shekhawat
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Computer Science
Compact Stress Waveguide for Delivery of Impact Load and Stress-Strain Response
Enables Testing of Materials in the Low to Intermediate Strain-Rate Range while Maintaining a Compact Design and Delivering Long-Duration Impact Stress Pulses in a Smaller Footprint This compact stress waveguide enables the delivery of long-duration impact pulses or transfer stress signals in a shorter footprint. Additionally, the waveguide is applicable...
Published: 10/31/2023   |   Inventor(s): Ghatu Subhash, Wilburn Whittington, Richard Leonard
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics
Miniature Multi-Hole Probe for Quicker, More-Accurate Air Pressure Measurements
Incorporates an Optical Sensor Array to Minimize Probe Size and Maximize Pressure Measurement Accuracy and Speed This smaller, more sensitive multi-hole probe pressure sensor integrates MEMS-based optical fibers for quicker, more accurate air pressure measurements. Multi-hole probes are flow measurement tools designed to take point measurements at...
Published: 9/6/2023   |   Inventor(s): Mark Sheplak, Haocheng Zhou
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics
Ultrasonic Spray Injection Reactor for Rapid Preparation of Hyperpolarized Metabolites
Efficiently Generates Hyperpolarized Metabolites Used as Biomarkers in Disease Detection and Monitoring in Magnetic Resonance Imaging This system uses an ultrasonic spray injection hydrogenation reactor to rapidly prepare hyperpolarized metabolites for sensitivity-enhanced nuclear magnetic resonance spectroscopy and magnetic resonance imaging. Using...
Published: 7/24/2023   |   Inventor(s): Clifford Bowers, Maria-Jose Ferrer
Keywords(s):  
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Mechanical
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