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Results 501–525 of 2,457

Ducted fuel injection with ignition assist

Patent • #10,138,855. Various technologies presented herein relate to enhancing mixing inside a combustion chamber to form one or more locally premixed mixtures comprising fuel and charge-gas to enable minimal, or no, generation of soot and/or other undesired emissions during ignition and subsequent combustion of the locally premixed mixtures. To enable sufficient...

Durable polymer-aerogel based superhydrophobic coatings, a composite material

Patent • #8,663,742. Provided are polymer-aerogel composite coatings, devices and articles including polymer-aerogel composite coatings, and methods for preparing the polymer-aerogel composite. The exemplary article can include a surface, wherein the surface includes at least one region and a polymer-aerogel composite coating disposed over the at least one region, wherein the polymer-aerogel...

Durable polymer-aerogel based superhydrophobic coatings: a composite material

Patent • #9,249,333. Provided are polymer-aerogel composite coatings, devices and articles including polymer-aerogel composite coatings, and methods for preparing the polymer-aerogel composite. The exemplary article can include a surface, wherein the surface includes at least one region and a polymer-aerogel composite coating disposed over the at least one region, wherein the polymer-aerogel...

Dye and pigment-free structural colors and angle-insensitive spectrum filters

Patent • #9,547,107. Optical spectrum filtering devices displaying minimal angle dependence or angle insensitivity are provided. The filter comprises a localized plasmonic nanoresonator assembly having a metal material layer defining at least one nanogroove and a dielectric material disposed adjacent to the metal material layer. The dielectric material is disposed within the...

Dynamic defense and network randomization for computer systems

Patent • #9,985,984. The various technologies presented herein relate to determining a network attack is taking place, and further to adjust one or more network parameters such that the network becomes dynamically configured. A plurality of machine learning algorithms are configured to recognize an active attack pattern. Notification of the attack can...

Dynamic Mechanical Strain-Induced Temperature Gradient Coating

Featured Opportunity • A non-destructive coating to reduce false positives and enhance observations of dynamic thermal strain in sonic infrared (SIR) inspections Evaluating components for discontinuities without damaging the part or system remains a priority for diverse industries and research fields. Low-cost techniques such as fluorescent penetrant inspection (FPI) are used widely by...

Dynamic signature generation from keystroke dynamics

Patent • #10,693,661. Described herein are various technologies pertaining to extracting cryptographic keys from user behavioral biometrics, specifically keystroke dynamics. Such cryptographic keys can be used for, among other things, user authentication throughout computer sessions. Keystroke dynamics are timing data indicating when keys were pressed and when they were released.

Dynamic tuning of chemiresistor sensitivity using mechanical strain

Patent • #8,846,406. The sensitivity of a chemiresistor sensor can be dynamically tuned using mechanical strain. The increase in sensitivity is a smooth, continuous function of the applied strain, and the effect can be reversible. Sensitivity tuning enables the response curve of the sensor to be dynamically optimized for sensing analytes, such...

Dynamic, risk informed decision support systems and methods

Patent • #10,997,513. The present disclosure is directed to a decision support system or tool based on a Bayesian Network (BN) framework. The diagnostic support tool is created by using advanced Probabilistic Risk Assessment (PRA) method(s) to construct Bayesian Networks (BNs) that form a Bayesian Decision Support Process (BDSP) to provide science-based...

Dynamically reconfigurable photovoltaic system

Patent • #9,356,173. A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has bus...

Dynamically reconfigurable photovoltaic system

Patent • #9,531,322. A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has bus...

DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM

Patent • #6,034,971. A photovoltaic (PV) system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has...

Eddy-current-damped microelectromechanical switch

Patent • #7,289,009. A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to provide an eddy-current damping of the...

Eddy-current-damped microelectromechanical switch

Patent • #7,633,362. A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to provide an eddy-current damping of the...

Edge compression manifold apparatus

Patent • #7,182,371. A manifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device for high pressure applications is provided. The fluid connector for coupling at least one fluid conduit to a corresponding port of a substrate that includes: (i) a manifold comprising one or more channels...

Edge compression manifold apparatus

Patent • #6,832,787. A manifold for connecting external capillaries to the inlet and/or outlet ports of a microfluidic device for high pressure applications is provided. The fluid connector for coupling at least one fluid conduit to a corresponding port of a substrate that includes: (i) a manifold comprising one or more channels...

Edge majorana quasiparticles and qubits

Patent • #11917929. Various embodiments described herein provide for a topological quantum computer that uses edge Majorana quasi-particles to form qubits. An inverted Indium Arsenide (InAs) and Gallium Antimonide (GaSb) heterostructure is disclosed that is a quantum spin Hall insulator. A layer of aluminum can be deposited over a nanotube that is...

Edge-based correlation image registration for multispectral imaging

Patent • #7,620,269. Registration information for images of a common target obtained from a plurality of different spectral bands can be obtained by combining edge detection and phase correlation. The images are edge-filtered, and pairs of the edge-filtered images are then phase correlated to produce phase correlation images. The registration information can...

Efficient track-before detect algorithm with minimal prior knowledge

Patent • #10,445,862. Apparatus, system and method for tracking an image target in a system, wherein a system receives an image comprising a plurality of pixels. The received image is processed via a plurality of different recursive motion model kernels in parallel to provide a plurality of kernel outputs, wherein each of...

Electrical Cable Testing by Pulse-Arrested Spark Discharge (PASD)

Featured Opportunity • Sandia has developed an advanced electrical wiring diagnostic capable of detecting insulation defects in complex wiring systems. The portable diagnostic system detects and accurately locates hard to find insulation defects such as breached insulation, chaffing, and insulation cracks. PASD could greatly reduce the time required to track down wiring defects,...

Electrical circuit tester

Patent • #7,030,624. An electrical circuit testing device is provided, comprising a case, a digital voltage level testing circuit with a display means, a switch to initiate measurement using the device, a non-shorting switching means for selecting pre-determined electrical wiring configurations to be tested in an outlet, a terminal block, a five-pole...
Results 501–525 of 2,457