Abstract: A system includes a flow-through electric generator and an electrolytic cell. The flow-through electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive natural gas from a natural gas pipeline and rotate in response to expansion of the natural gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is coupled to the turbine wheel and configured to rotate with the turbine wheel. The flow-through electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The electrolytic cell is configured to receive a water stream and the electrical power from the flow-through electric generator. The electrolytic cell is configured to perform electrolysis on the water stream using the received electrical power to produce a hydrogen stream and an oxygen stream.

Abstract: An apparatus includes an electric generator that includes a fluid inlet configured to receive hydrogen at a first pressure, a turbine wheel configured to expand the hydrogen and rotate in response to expansion of the hydrogen flowing into an inlet of the turbine wheel and out of the outlet of the turbine wheel, a rotor coupled to the turbine wheel and configured to rotate with the turbine wheel, a stationary stator, the electric generator to generate an alternating current upon rotation of the rotor within the stator, and a fluid outlet configured to output hydrogen at a second pressure less than the first pressure. The apparatus includes a power electronics system electrically connected to an electrical output of the electric generator and to receive alternating current from the electric generator. The power electronics can condition the generated electrical current to supply power to various types of loads.

Abstract: A method and system for providing navigation of multiple organizations of one or more electronic learning systems. The method involves operating a processor to obtain a global user identifier, obtain a navigation object to be displayed at the user computing device, and automatically generate an organization alert indicator for an organization object when the user has an outstanding alert from the electronic learning system of the organization. The navigation object includes a plurality of organization objects. Each of the organization objects correspond to an organization identifier of the plurality of organization identifiers for navigating to an electronic learning system of the organization.

Abstract: A hydrogen dispensing system includes a hydrogen storage tank for storing hydrogen gas, a turboexpander generator fluidly connected to the hydrogen storage tank, and a dispenser fluidly connected to the turboexpander generator. The turboexpander generator receives a flow of the hydrogen gas from the hydrogen storage tank at an inlet of the turboexpander generator, reduces a pressure and a temperature of the flow of hydrogen gas, and outputs the hydrogen gas to the dispenser.

Abstract: An apparatus and method for manufacturing an elastic composite structure for an absorbent sanitary product includes a bonding unit configured to bond a first web layer to a second web layer via a bond pattern that includes at least one bond line having at least one pair of adjacent bonds. The bonding unit secures an elastic thread within a passage defined by the at least one pair of adjacent bonds. The passage has a cross-sectional area smaller than a cross-sectional area of the elastic thread in a non-tensioned state.

Abstract: An exemplary compounding method of controlling a compounding device to prepare an admixture of at least two distinct material sources can include examining material source solutions for incompatibility of the ingredients and operating a first and a second pump to prevent one of the incompatible source solutions from entering a common flow path. The processing method can detect degradation of a fluid line by evaluating one or more of calibration error rate data, cumulative volumetric flow data, or cumulative pump operation data. The processing method can also selectively transfer a first group of source solutions using the first pump, receiving pump data from one or more sensors that sense actions of the pumps, applying fluid correction factors and calculating discrete pump movements, the pump movements being indicative of an amount of source solution displacement by a pump, and operating the pumps to selectively dispense the source solution amounts according to a preparation order.

Abstract: Flow from a gas well is conditioned prior to a production pipeline. A flow line is coupled to a gas well to receive the gas and coupled to a production pipeline to direct the received gas away from the production site, the flow line residing at a production site and comprising an electric power generation system. The electric power generation system has a turbine generator. The inlet nozzle and turbine wheel of the turbine generator is configured to reduce the pressure and temperature of the received gas to conditions associated with the production pipeline.

Abstract: An energy recovery system for generating electric power from flow out of a gas well includes a first flow path from a well to a pipeline comprising a turbine wheel coupled to a generator and a second flow path from the well to the pipeline. The second flow path is apart from the first flow path, and includes a valve. The first and second flow paths reside on a production site of the well.

Abstract: Flow from a gas well is conditioned prior to a production pipeline. A flow line is coupled to a gas well to receive the gas and coupled to a production pipeline to direct the received gas away from the production site, the flow line residing at a production site and comprising an electric power generation system. The electric power generation system has a turbine generator. The inlet nozzle and the turbine wheel of the turbine generator is configured to reduce the pressure and temperature of the received gas to conditions associated with the production pipeline.

Abstract: In an example, an integrated optical circuit (IOC) includes a first substrate formed of a first material and a first waveguide formed of a second material and positioned on the first substrate. The first waveguide includes a plurality of branches and is configured to polarize light beams that propagate through the first waveguide. The IOC further includes a second substrate formed of a third material, the second substrate coupled to or positioned on the first substrate. The IOC further includes a plurality of straight waveguides formed in the second substrate, each of the plurality of straight waveguides optically coupled to a respective branch of the plurality of branches of the first waveguide. The IOC further includes a plurality of electrodes positioned proximate to the plurality of straight waveguides, the plurality of electrodes configured to modulate the phase of light beams that propagate through the plurality of straight waveguides.

Abstract: A fuel cell system includes a gas fuel source, a fuel cell stack fluidly connected to the gas fuel source by a first pathway, and a turboexpander generator fluidly connected to the gas fuel source by a bypass fluid pathway in parallel with at least a portion of the first pathway. The first pathway transmits a first amount of gas fuel from the gas fuel source to the fuel cell stack. The turboexpander generator receives a second amount of gas fuel from the gas fuel source and reduces a pressure and temperature of the second amount of the gas fuel. The fuel cell system also includes a motor electrically connected to the fuel cell stack and the turboexpander generator, where the fuel cell stack and the turboexpander generator each supply electrical power to the motor.

Abstract: A first turboexpander generator defines a portion of a first conduit flow passage. The first turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the first turboexpander generator by generating electrical power from the process stream. A second turboexpander generator defines a portion of a second conduit flow passage. The second turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the second turboexpander generator by generating electrical power from the process stream. The first and second conduit flow passages are arranged to carry fluid flow in parallel to one another. The first and the second turboexpander generator are substantially identical in critical dimensions and performance.

Abstract: A system includes an electric generator, a power electronics system, and a heat exchanger. The electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is configured to rotate with the turbine wheel. The electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The power electronics system is configured to convert the electrical power to specified power characteristics. The heat exchanger includes a first side in fluid communication with the process gas and a second side in fluid communication with a fluid stream from a second system. The heat exchanger is configured to cool the fluid stream using the process gas.

Abstract: A first turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the first turboexpander generator by generating electrical power from the process stream. A second turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the second turboexpander generator by generating electrical power from the process stream. The second turboexpander generator is downstream of and receives a flow output from the first turboexpander generator. The first turboexpander generator and the second turboexpander generator each include the following features. An electric stator surrounds an electric rotor. An annulus defined by the electric rotor and the electric stator is configured to receive a process fluid flow. Magnetic bearings carry the rotor within the stator. A housing encloses the rotor and stator. The housing is hermetically sealed between an inlet and an outlet of each turboexpander generator.

Abstract: Devices, systems, and methods are provided for cloud-based entity reputation scoring. A method may include determining, based on domain name service (DNS) data associated with entities of the cloud-based environment, a k-partite graph with nodes and edges, a node including a first elastic computing instance. The method may include generating features associated with the first elastic computing instance. The method may include determining, based on the features, a minimum value, a maximum value, and an average value, and generating a feature vector comprising the minimum value, the maximum value, and the average value. The method may include determining, based on the feature vector, a reputation score associated with the first elastic computing instance. The method may include communicating based on the reputation score.

Abstract: The specification describes a charging device that includes a housing forming one or more cylindrical cavities that each receive a rechargeable battery, the one or more cylindrical cavities each having a magnet and an end that includes both a positive terminal and a negative terminal. The charging device further includes a status indicator for one or more of the rechargeable batteries a status indicator for one or more of the rechargeable batteries. The charging device further includes an antenna. The charging device further includes an induction charging system.

Abstract: A first turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the first turboexpander generator by generating electrical power from the process stream. A second turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the second turboexpander generator by generating electrical power from the process stream. The second turboexpander generator is downstream of and receives a flow output from the first turboexpander generator. The first turboexpander generator and the second turboexpander generator each include the following features. An electric stator surrounds an electric rotor. An annulus defined by the electric rotor and the electric stator is configured to receive a process fluid flow. Magnetic bearings carry the rotor within the stator. A housing encloses the rotor and stator. The housing is hermetically sealed between an inlet and an outlet of each turboexpander generator.

Abstract: An electric power generation system receives a gas flow at a heater, heats the gas flow at the heater with a heated fluid from a waste heat process, and directs the heated gas flow to a turbine wheel of an electric generator. The heated gas flow drives rotation of the turbine wheel, and in response to rotating the turbine wheel, electrical current is generated by the electric generator. Generated electrical current is then directed to power electronics.

Abstract: A system includes an electric generator, a power electronics system, and a heat exchanger. The electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is configured to rotate with the turbine wheel. The electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The power electronics system is configured to convert the electrical power to specified power characteristics. The heat exchanger includes a first side in fluid communication with the process gas and a second side in fluid communication with a fluid stream from a second system. The heat exchanger is configured to cool the fluid stream using the process gas.