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Multifunctional Acoustic Liner for Broadband Low-Frequency Applications

BACKGROUND Low-frequency (<~400 Hz) airborne noise has several detrimental effects ranging from exciting structural vibration modes (with potentially catastrophic results), reducing passenger comfort and payload integrity on commercial flights, restricting military mission capabilities, to massively contributing to noise pollution. Low-frequency...

Published: 6/7/2024 | Inventor(s): James Manimala

Keywords(s):

Category(s): Technology Classifications > Engineering, Technology Classifications > Engineering > Mechanical & Aerospace Engr, Technology Classifications > Environment & Energy, Technology Classifications > Unmanned Systems

Turbine-Driven, Shared-Rotor Generator

BACKGROUND Rapidly evolving unmanned aircraft system (UAS) requirements have necessitated the creation of novel methods to provide power to these craft in increasingly niche environments such as high altitudes or using more available heavy fuels to existing platforms to provide power to these craft, particularly with regards to turbogenerators. However,...

Published: 7/26/2023 | Inventor(s): Joshua Johnsen, Kurt Rouser

Keywords(s): Energy & Environment, Engineering: Mechanical & Aerospace, Transportation, Unmanned Systems

Category(s): Technology Classifications > Transportation & Automotive, Technology Classifications > Unmanned Systems, Technology Classifications > Engineering > Mechanical & Aerospace Engr, Technology Classifications > Environment & Energy, Technology Classifications > Engineering

Non-Contact Glucose Sensing Through Light-Wave Sensing

BACKGROUND There is a significant and enduring demand for continuous and convenient monitoring of glucose in a substantial proportion of population. National diabetes statistics report for 2020 shows that 34.2 million (~10%) American have diabetes, and an estimated 26.8 million need regular monitoring of glucose level. Approximately 463 million...

Published: 5/31/2023 | Inventor(s): Daqing Piao, John O'Hara, Sabit Ekin

Keywords(s):

Category(s): Technology Classifications > Medical Device & Diagnostic, Technology Classifications > Engineering

Software for Real-Time Monitoring and Fault Detection of Chemical Distillation Process

BACKGROUND In recent decades, the chemical, refining, petrochemical, pharmaceutical, and agrochemical process industries have actively adopted distributed control systems (DCSs) to digitally monitor and control their plant operations. These commercial DCSs can provide process monitoring, control, and limited alarm management capabilities. In particular,...

Published: 4/26/2023 | Inventor(s): Zheyu Jiang

Keywords(s): Biotech & Pharmaceutical, Chemistry, Engineering: Chemical, Petroleum, Engineering: Electrical & Computer, Sensors, Software

Category(s): Technology Classifications > Software, Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Engineering

Adaptive Pore Size Smart Material

BACKGROUND Prosthetic limbs are typically mounted to the remnant limb via a sleeve, which are made from a variety of materials, but mostly from silicone elastomers. Unfortunately, these sleeves heat up the limb remnant and can lose grip as the temperature increases and sweating occurs. This problem is addressed via two approaches: medical treatments...

Published: 5/24/2023 | Inventor(s): Katelynn Harmon, Aurelie Azoug

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Category(s): Technology Classifications > Chemistry, Technology Classifications > Biotech & Pharmaceutical, Technology Classifications > Material Science & Engr, Technology Classifications > Engineering, Technology Classifications > Advanced Manufacturing, Technology Classifications > Medical Device & Diagnostic

Biologically Inspired Underwater Propulsion Technology Using Coordinated Rowing of Multiple Propulsive Elements

BACKGROUND Numerous species of aquatic animals, ranging in size from several microns to a meter, swim underwater via coordinated, rhythmic paddling of multiple, closely spaced appendages. Studies have shown that natural coordinated appendage motion is realized by delaying the temporal and/or spatial paddling of one appendage relative to its neighbor....

Published: 7/18/2023 | Inventor(s): Arvind Santhanakrishnan, Milad Samaee, Mitchell Ford

Keywords(s):

Category(s): Technology Classifications > Engineering > Mechanical & Aerospace Engr, Technology Classifications > Engineering

Si-based UV photodetector using an efficient UV-to-visible down-conversion layer

BACKGROUND Ultra-violet (UV) photodetectors have broad applications in many areas such as scintillator light detection, time correlated photo-detection, ultra-fast fluorescent microscopy detection, and ultra-dense spatial imaging. While Si-based photodiodes are fully commercialized with a variety of applications even including single-photon avalanche...

Published: 4/26/2023 | Inventor(s): Do Young Kim

Keywords(s):

Category(s): Technology Classifications > Material Science & Engr, Technology Classifications > Engineering, Technology Classifications > Engineering > Electrical & Computer Engr, Technology Classifications > Engineering > Biosystems & Ag Engr, Technology Classifications > Unmanned Systems

Photobiodegradable Plastics via PPDvSOP improvement

BACKGROUND At first plastics were welcome as blessings. Specifically, their durability, high strength per weight and low cost have made them the ideal packaging materials. However, the last seven decades have proved, those same attributes combined with improper waste management, led to a plastic pollution problem. An estimated 6300 million metric tons...

Published: 7/19/2023 | Inventor(s): Ali Kalkan, Linqi Zhang, Nishan Khatri

Keywords(s): Chemistry, Energy & Environment, Material Science & Engineering

Category(s): Technology Classifications > Engineering, Technology Classifications > Environment & Energy, Technology Classifications > Material Science & Engr

Novel solution for "produced water" disposal

BACKGROUND Water is used to extract oil and gas through hydraulic fracturing. This results in large quantities of Produced Water that needs to be dealt with. Produced water has considerable management costs that could adversely affect the life of the well. Produced water handling practices must also be environmentally sound or the operator could...

Published: 10/19/2022 | Inventor(s): Pankaj Sarin

Keywords(s): Energy & Environment

Category(s): Technology Classifications > Engineering, Technology Classifications > Environment & Energy, Technology Classifications > Engineering > Chemical Engr, Technology Classifications > Geology

Method for fabrication of high dispersion polymer nanocomposites

BACKGROUND Polymers, molecules composed of repeated subunits, are the building blocks for many materials including synthetic plastics, rubber, and nylon. Polymer nanocomposites (PNCs) are polymers with nanofillers (nanoparticles) dispersed throughout the polymer's matrix. Addition of the nanofillers greatly improves the physical properties of the...

Published: 11/10/2023 | Inventor(s): Sriharsha Karumuri, Ali Kalkan

Keywords(s): Engineering

Category(s): Technology Classifications > Engineering, Technology Classifications > Material Science & Engr

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