Search Results - Mechanical/Electrical Engineering

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Controlling Immiscible Fluid Displacement in Porous Media Using Controlled Colloid or Solute Deposition

Drainage is the process by which a non-wetting fluid displaces a wetting fluid from a porous medium. This phenomenon is ubiquitous, and arises in diverse settings including groundwater contamination, oil migration, gas venting from sediments, CO2 sequestration, mercury porosimetry, soil drying, liquid infusion into porous membranes, and oxygen accu...
Published: 8/27/2019   |   Inventor(s): Sujit Datta, Nancy Lu, Joanna Schneider, Christopher Browne, Daniel Amchin, Navid Bizmark
Keywords(s):  
Category(s): Ceramics/Material Sciences, Mechanical/Electrical Engineering

Viscous Withdrawal for Micro-jet and Micro-drop Production

The study of microscale drop or jet generation has catalyzed the invention of numerous biomedical and industrial technologies. Existing shear-based technologies require active control of both the continuous and the dispersed phases, therefore limiting their capacity for large scale parallelization.Researchers at Princeton University have invented a...
Published: 8/26/2019   |   Inventor(s): Zehao Pan, Janine Nunes, Howard Stone
Keywords(s):  
Category(s): Mechanical/Electrical Engineering

A Large-Area RFID Reader Array Using Large-Area Electronics

Docket# Princeton 18-3454-1A broad range of technologies and applications are being considered for IoT. RFID holds great promise in this regard due to its potential scale of deployment. However, short wireless range in passive HF RFID and the need for battery powering in active UHF RFID pose major limitations. Researchers at Princeton University ha...
Published: 3/25/2019   |   Inventor(s): Jonathan (Yoni) Mehlman, Prakhar Kumar, Naveen Verma, James Sturm
Keywords(s):  
Category(s): Mechanical/Electrical Engineering

Economical and Scalable Production of Submicron Particles and Coatings at Room Temperature

Economical and Scalable Production of Submicron Particles and Coatings at Room TemperaturePrinceton Docket # 17-3329The laboratory of Prof. Howard Stone has developed a novel technology for economical and scalable synthesis and production of submicron/nano-scale and nanostructured particulate materials. The technology incorporates unique liquid ato...
Published: 11/6/2018   |   Inventor(s): Maksym Mezhericher, Howard Stone, Janine Nunes
Keywords(s):  
Category(s): Biotechnology/Pharmaceuticals, Ceramics/Material Sciences, Mechanical/Electrical Engineering

Continuous and Membrane-less Filtration of Colloidal Particulates

Continuous and Membrane-less Filtration of Colloidal Particulates Princeton Dockets # 17-3285-1, 16-3249-1 A novel method and device for separating suspended colloidal particles from aqueous stream without the use of a physical filter that is energy efficient, chemically non-invasive, and continuous. This method offers the potential to transform th...
Published: 10/25/2018   |   Inventor(s): Sangwoo Shin, Orest Shardt, Patrick Warren, Howard Stone
Keywords(s):  
Category(s): Biotechnology/Pharmaceuticals, Mechanical/Electrical Engineering, Medical Devices/Diagnostics

An Ultrasonic Plasma Microphone for Structural Health Monitoring

Princeton Docket # 17-3317-1Researchers at Princeton Plasma Physics Laboratory, Princeton University, have invented a plasma microphone. The device uses plasma, an electrically conducting gas created by applying a voltage between two electrodes, to transduce acoustic waves to electronic signals. As a sound wave propagates through plasma, the pressu...
Published: 9/19/2018   |   Inventor(s): Johan Carlsson
Keywords(s):  
Category(s): Mechanical/Electrical Engineering

A Device for Mechanically Detecting Anomalous Battery Operation

Princeton Docket # 15-3151-1Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have developed a new device which monitors mechanical changes in a battery cell and predicts a battery failure event before it happens.Battery failures are commonly thought of as being unpredictable, arising from unexpected sour...
Published: 8/21/2018   |   Inventor(s): Craig Arnold, John Cannarella, Xinyi Liu
Keywords(s): battery
Category(s): Mechanical/Electrical Engineering

Plasma-Based Laser Pulse System: Higher Power, Sharper Wavefront

Princeton Docket # 17-3296, 17-3311, 17-3333Current laser systems are inherently brilliance-limited by the ability of the internals to resist damage by the laser. To overcome this thermal threshold, researchers at the Princeton Plasma Physics Laboratory have invented techniques to improve the current laser amplifiers based on Raman instability in p...
Published: 6/15/2018   |   Inventor(s): Kenan Qu, Nathaniel Fisch
Keywords(s):  
Category(s): Mechanical/Electrical Engineering

Slow Light Imaging Spectroscopy

Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have invented a new spectroscopy technology that enables ultra-high resolution one and two dimensional spatial imaging of Rayleigh, Raman, and Thomson spectral features without the need for a spectrometer. The approach provides the capability for imaging o...
Published: 4/27/2018   |   Inventor(s): Richard Miles, Arthur Dogariu
Keywords(s):  
Category(s): Mechanical/Electrical Engineering

A Device for Self-Myofascial Release of Lower Back Muscle Groups

Muscular lower back injuries are prevalent in most athletes. These injuries are a result of over-contracted muscle groups that are subject to rapid strains, causing them to tear. Myofascial Release (MFR) is an effective, non-abrasive technique that involves the application of pressure on certain specific points of the painful muscle. It has proven ...
Published: 3/16/2018   |   Inventor(s): Abhimanyu Shah
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
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