Abstract: A magnetic and electrical circuit element including magnetic-flux-conducting posts, and a multi-layer structure formed with an electrically-conductive material. The multi-layer structure includes multiple layers forming a stack of layers along a length of the posts, said multi-layer structure configured as primary and secondary windings of a transformer. The primary winding is embedded in the multi-layer structure and wound around the magnetic-flux-conducting posts in such a way that a magnetic field induced in each of the magnetic-flux-conducting posts has a magnetic field polarity opposite to a polarity of the respective magnetic field of the magnetic-flux-conducting post adjacent the respective magnetic-flux-conducting post. Around each of the magnetic-flux-conducting posts, there is a respective one of the secondary windings connected to a semiconductor device.

Abstract: Some variations provide a carbon-negative carbon product that is characterized by a carbon intensity less than 0 kg CO2e per metric ton of the carbon-negative carbon product, wherein the carbon-negative carbon product contains at least about 50 wt % carbon. In some embodiments, the carbon intensity is less than ?500 kg CO2e per metric ton of the carbon-negative carbon product. Other variations provide a carbon-negative metal product (e.g., a steel product) that is characterized by a carbon intensity less than 0 kg CO2e per metric ton of the carbon-negative metal product, wherein the metal product contains from 50 wt % to 100 wt % of one or more metals and optionally one or more alloying elements. In some embodiments, the carbon-negative metal product is characterized by a carbon intensity less than ?200 kg CO2e per metric ton of the carbon-negative metal product. The carbon-negative metal product can contain a wide variety of metals.

Abstract: A system for supplementing the electric power needed by a pump jack electric motor, thereby reducing the electric power purchased from the local utility or power supplier. The system comprises a solar photovoltaic system, or other forms of renewable energy, and regenerated power from the electric motor or drive. The system can be both “on-grid” and “off-grid.” Battery banks and capacitor banks may be used to store energy.

Abstract: A battery system includes a lithium ion battery configured to couple to an electrical system, and a battery management system configured to electrically couple to the lithium ion battery and to control one or more recharge parameters of the lithium ion battery. The battery management system is programmed with an electrochemical model, and the battery management system is configured to monitor parameters of the lithium ion battery, and to control the one or more recharge parameters of the lithium ion battery based on the electrochemical model and the one or more monitored parameters. The electrochemical model determines lithium plating reaction kinetics at an anode of the lithium ion battery, determines a quantity of plated lithium at the anode of the lithium ion battery, or both, and indicates a relationship between the one or more monitored parameters and the lithium plating reaction kinetics, the quantity of plated lithium, or both.

Abstract: A two-transistor forward switching cell includes two primary switching elements connected between an input voltage source and a primary winding of a transformer. The switching elements are connected to the primary winding at opposite ends of the winding. Reset diodes are connected between one of the opposite ends of the primary winding and one termination of the voltage source, and between another of the opposite ends of the primary winding and another termination of the voltage source. The transformer has at least a secondary winding connected to drains of synchronous rectifiers. One of the rectifiers is on during at least a portion of a time when the switching elements are on. The other of the rectifiers is a freewheeling rectifier, is connected to at least one controlled current source, and is off when the switching elements are on. Both rectifiers are on for a common predetermined time.

Abstract: This specification discusses the concept of energy injection in a resonant circuit with initial conditions which is part of almost all of the present topologies. It presents in detail several methods of energy injection in a resonant circuit with initial conditions and how it applies to different topologies. It patent presents also a simple and economical method of driving the clamp switch in a flyback topology operating in discontinuous mode and a bias circuit in a flyback topology wherein the output voltage varies over a large range.

Abstract: A magnetic assembly formed by a custom magnetic core and its bobbin with interconnection pins is presented. This magnetic assembly leads to a higher power density of magnetic assembly and a better utilization of the volume inside a power converter, allowing a higher power density of the power converter and a higher efficiency through the minimization of the parasitic inductances.

Abstract: A method of closing a stage tool in a wellbore includes releasing a closing tube into the wellbore; attaching the closing tube to the stage tool; and expanding the closing tube, thereby closing a port of the stage tool.

Abstract: A digital information management system allows users to share contact information with specific contact groups. The system comprises a communications network, a first computing device with a first user interface, a first processor, and a first memory, and a second computing device with a second user interface, a second processor, and a second memory. The second computing device receives two sets of user contact information with different contact type designations and generates contact card data for each set. The system then allows users to send the contact card data to the first computing device via the communications network, where it can be displayed on the first user interface. This system provides a convenient and efficient way for users to share contact information with specific groups.

Abstract: Systems and method for optimizing the efficiency of operation of electronic circuits, configured structured according to a true soft-switching phase-shifted full-bridge topology (where all the primary switching elements turn on at zero voltage and the secondary switching elements turn off at zero current with no ringing and no spikes across the secondary switching elements) with the use of unique current-injection approaches. An additional advantage of the embodiments of this invention is that the true soft switching feature applies regardless of the leakage inductance in the transformer.

Abstract: A method of accumulating packages and an accumulation module including a base cabinet, a rotatable accumulation dial, a hopper and picker assembly, the picker assembly extendable radially outward from a home position to a position outside of the hopper to retrieve a package and place the package on the accumulation module. The package is acted on by a first plunger from above and a stabilizing plunger from below to hold the package in place and then the package is treated by a heat stake anvil from below.

Abstract: A sleeve can be used as a stop collar on tubing. A fusible element disposed about the inside or outside surface of the collar can be accessed by electrodes via the at least one access point in the collar. An insulator insulates the fusible element from the collar, while the electrodes apply electric current to the fusible element. A fusible material of the fusible element is heated to melting in response to the applied electric current and affixes the collar to the tubing with a metallurgical bond formed from the melting and re-solidifying of the fusible material inside a space between the first circumferential surface of the collar and the opposing circumferential surface of the tubing. The fusible material can be heated to melting directly with the electric current, or an ignitable material activated with the electric current can melt the fusible material.

Abstract: A Multi-Phase Simulation Environment (“MPSE”) is provided. In one embodiment, a simulation environment controller is configured to select a waveform from a waveform playlist and initiate a trigger signal to one or more waveform generators of a plurality of waveform generators to generate the waveform. The plurality of waveform generators are configured to generate the waveform under a phase lock.

Abstract: An apparatus obtains application state information for another device and displays a login screen on a display that provides information for at least one application running on the other device. The information displayed may be an icon corresponding to an application running on the other device. The application state information may include an application identifier, a content identifier and a pointer to a location at which a given content is accessed by the application. An apparatus includes a display, application state monitor logic, operative to obtain application state information for another device, and login screen configuration logic, operatively coupled to the display. The login screen configuration logic is operative to configure a login screen on the display to provide information for at least one application running on the other device, based on the application state information for the other device obtained by the application state monitor logic.

Abstract: A system includes a vent housing configured to be installed on a lower housing of a battery module at a first side of the vent housing. The vent housing has a main body having an opening on a second side of the vent housing and an internal chamber coupled to the opening. The internal chamber includes a first wall having an internal burst vent configured to open at a first pressure threshold and a second wall having a ventilation vent comprising a gas-selective permeability layer.

Abstract: A battery plate assembly for a lead-acid battery is disclosed. The assembly includes a plates of opposing polarity each formed by an electrically conductive grid body having opposed top and bottom frame elements and opposed first and second side frame elements, the top frame element having a lug and an opposing enlarged conductive section extending toward the bottom frame element; a plurality of interconnecting electrically conductive grid elements defining a grid pattern defining a plurality of open areas, the grid elements including a plurality of radially extending vertical grid wire elements connected to the top frame element, and a plurality of horizontally extending grid wire elements, the grid body having an active material provided thereon. A highly absorbent separator is wrapped around at least a portion of the plate of a first polarity and extends to opposing plate faces. An electrolyte is provided, wherein substantially all of the electrolyte is absorbed by the separator or active material.

Abstract: Certain aspects of the present disclosure provide techniques for making armored cables. An example method for making an armored cable includes forming a strip stock into an armor tubing; welding a seam of the armor tubing in a welding zone; inserting at least one of a first optical fiber or a first wire into a first end of a first guide tube, wherein: the first guide tube extends through the welding zone; the first guide tube protects the at least one of the first optical fiber or the first wire during the welding of the seam; and the first guide tube is not part of the armored cable after the making of the armored cable; and supporting the first guide tube within the armor tubing by a plurality of support legs such that the first guide tube does not contact the armor tubing.

Abstract: Near-Infrared (NIR) filter photometry is used to calculate component concentrations in multiphase flows. The disclosed methodology adapts the Beer-Lambert law for nonhomogeneous immiscible mixtures (such as oil and water) by modeling the fluid layer as a nonhomogeneous distribution of its components and deriving a mathematical relationship between measured absorbances, component path lengths, and non-homogeneity factors. The methodology is integrated into a multi-channel filter photometer to measure phase concentrations in oil-and-gas pipelines. The system is proven more accurate than current state of the art based on data from simulations, multiphase flow laboratories and field trials.

Abstract: A pressure control device can include an outer housing, a bearing assembly with bearings to rotatably support an inner barrel in the outer housing, a heat exchanger, and fluid passages that communicate between the bearings and the heat exchanger, and a latch assembly configured to releasably secure the bearing assembly in the outer housing. The latch assembly can include a heat exchanger configured to exchange heat with the bearing assembly heat exchanger. Another pressure control device can include a bearing assembly with bearings to rotatably support an inner barrel in the outer housing, fluid passages that communicate with space adjacent the bearings, a pump in communication with the fluid passages, and a gear train connected between the pump and a ring gear secured to the inner barrel.

Abstract: Disclosed is a method of associating, at a secondary device, secondary media content with primary media content being output at a primary device. The method includes receiving, at the secondary device, first information based upon the primary content being output at the primary device, wherein the first information includes at least one of an audio and a visual signal, determining at the secondary device second information corresponding to the first information, receiving at the secondary device one or more portions of secondary media content that have been made available by a third device, determining at the secondary device whether one or more of the portions of the secondary media content match one or more portions of the second information, and taking at least one further action upon determining that there is a match.