Abstract: The present invention relates to a helmet comprising an impact mitigating structure, the impact mitigating structure comprising: a first layer; and a second layer; wherein one or more of a material property, a mechanical property and a geometrical property of the impact mitigating structure is arranged to, when the impact mitigating structure is subject to an impact, facilitate at least partial fracturing of the second layer such that at least a portion of the second layer is able to move relative to the first layer.

Abstract: Example implementations include a system and method for providing a graphical user interface (GUI) on a display, wherein the GUI is operable for displaying a representation of a detection field of an object counting radar unit, wherein the GUI is operable for displaying a reference point that represents a rotatable object as detected by the object counting radar unit when the rotatable object is located in a field-of-view of the object counting radar unit and is rotated by a drive motor assembly.

Abstract: A wireless power transmitter includes a charging coil, an electronics housing, and a top side. The charging coil housing houses a charging coil and includes a top surface, wherein the charging coil wirelessly transmits power to a receiver placed on the top surface of the charging coil housing. The electronics housing houses one or more electronics and a fan. The top side is located adjacent to the electronics housing, wherein a top surface of the top side faces a bottom surface of the receiver. An intake cooling path is defined by a region between the bottom surface of the receiver and the top surface of the top side and an exhaust cooling path is located on a side of the charging coil housing opposite the intake cooling path and defined by a region between the receiver and the top surface of the top side.

Abstract: A wireline pressure control string for use in performing wireline operations on a hydrocarbon well is disclosed. The wireline pressure control string includes a pumpdown assembly having a pumpdown sub and at least one pumpdown valve. The pumpdown sub includes a body and a through bore which extends axially through the body and is fluidly connectable to the well bore. The pumpdown valve includes an inlet which is fluidly connectable to a pumpdown fluid source and an outlet which is fluidly connected to the through bore. The wireline pressure control string may also include a connector positioned below the pumpdown assembly for releasably securing the wireline pressure control string to the wellhead assembly. In certain embodiments, the pumpdown valve may be connected to the pumpdown fluid source with a flexible flowline.

Abstract: Methods and systems implement a variety of sensors, including in embodiments various combinations of EEG sensors, biochemical sensors, photoplethysmography (PPG) sensors, microphones, and accelerometers, to detect, predict, and/or classify various physiological events and/or conditions related to epilepsy, sleep apnea, and/or vestibular disorders. The events can include neuroelectrical events, cardiac events, and/or pulmonary events, among others. In some cases, the method and systems implement trained artificial intelligence (AI) models to detect, classify, and/or predict. The methods and systems are also capable of optimizing a treatment window, suggesting treatments that may improve the overall well-being of the patient (including improving pre- or post-event symptoms and effects), and/or interacting with various care providers.

Abstract: A modular pump skid includes a base, a prime mover mounted on the base, and one or more hydraulic pump circuits removably mounted on the base and operationally coupled to the prime mover, wherein each hydraulic pump circuit has a hydraulic pump operationally coupled to the prime mover and a hydraulically driven pump fluidly coupled to the hydraulic pump. Each hydraulic pump circuit is in a closed loop independent of other hydraulic pump circuits.

Abstract: An illustrative modular manifold system includes, among other things, two or more modular pump manifolds, a low-pressure header, and a main high-pressure manifold. Modular pump manifolds may include a low-pressure manifold for supplying fracturing fluid or water to pumps, a high-pressure manifold for supplying fracturing fluid or water to one or more wells and a bleed-off/prime-up manifold. Each modular pump manifold of the modular manifold system is configured to be fluidly isolatable from the other modular pump manifolds. Each isolated modular pump manifold is configured to be flushed with water, bled off and primed up independently of the other modular pump manifolds. After the bleed off, maintenance procedures may be performed on pumps associated with the isolated modular pump manifold. The modular pump manifolds that are not isolated may continue in active fracing stage operations while a modular pump manifold is isolated.

Abstract: A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

Abstract: A method for performing simultaneous operations at a wellsite comprising two or more adjacent wellheads, each respectively connected to a well, may include the following steps: providing a fluid supply via upstream equipment to an intermediate supply point; fluidly connecting the intermediate supply point to a single wellhead, the fluidly connecting comprising connecting a first end of a flexible pipe to the intermediate supply point and a second end of the flexible pipe to a first wellhead; performing a wellbore operation on a first well using the fluid supply from the upstream equipment supplied to the first wellhead; disconnecting the second end of the flexible pipe from the first wellhead; and connecting the second end of the flexible pipe to a second wellhead.

Abstract: A modular pump skid includes a base, a prime mover mounted on the base, and one or more hydraulic pump circuits removably mounted on the base and operationally coupled to the prime mover, wherein each hydraulic pump circuit has a hydraulic pump operationally coupled to the prime mover and a hydraulically driven pump fluidly coupled to the hydraulic pump. Each hydraulic pump circuit is in a closed loop independent of other hydraulic pump circuits.

Abstract: A method of estimating a property of an article manufactured, at least in part, by additive manufacturing, AM, preferably directed energy deposition, DED, and/or powder bed fusion, PBF, is described. The method implemented, at least in part, by a computer comprising a processor and a memory. The method comprises: obtaining a set of in-process parameters of the AM of the article, wherein respective parameters of the set thereof have positional information associated therewith; inferring a set of attributes of the article corresponding to the set of in-process parameters, wherein respective attributes of the set thereof have the positional information associated therewith; and estimating the property of the article based, at least in part, on the inferred set of attributes.

Abstract: A high-pressure unit (HPU) skid includes one or more hydraulic pumps, a grease pump, a hydraulic reservoir, and two or more accumulators all mounted on a portable frame. The HPU skid also includes fluidic connections to connect one or more valves to an output of the grease pump and fluidic connections to connect one or more valves to an output of at least one of the two or more accumulators. The accumulators are configured to close at least one of the one or more valves using a charged pressure. The HPU skid further includes fluidic connections to connect one or more valves to at least one of the one or more hydraulic pumps. The hydraulic pumps are configured to withdraw hydraulic fluid from the hydraulic reservoir for charging the accumulators, operating the grease pump, charging the accumulators and operating the grease pump at a same time, or operating one or more valves.

Abstract: A monitoring system for reciprocating pump having a plunger connected to a crankshaft by a crosshead and connecting rod assembly. The monitoring system includes a plurality of wireless temperature sensors which each have a temperature probe connected to a sensor head, a plurality of antennas which each have an antenna head configured to communicate wirelessly with a corresponding one of the sensor heads, and a signal processing unit connected to the plurality of antennas. Each temperature probe is positioned in contact with a corresponding crank pin bearing, wrist pin bearing or crosshead bearing. Each sensor head is mounted to the crosshead, and each antenna head is mounted to the pump at a location in which communication is enabled between the antenna head and its corresponding sensor head when the crosshead reaches a first position during each reciprocation of the crosshead.

Abstract: A method for intent-based natural language processing may include a conversation engine receiving text of an utterance in a conversation from a conversation program, storing a session identifier for the conversation and a conversation state for the conversation, selecting one of a plurality a priority of intents based on the text of the utterance, communicating the text of the utterance to a natural language understanding computer program, receiving a plurality of potential intents and a confidence score for each potential intent from the natural language understanding computer program, selecting a selected intent based on the selected priority of intents, the potential intents, and the confidence scores, executing intent logic associated with the selected intent, updating the conversation state in the database based on the executed intent logic, and returning a response to the conversation program based on the executed intent logic.

Abstract: Methods and systems implement a variety of sensors, including in embodiments various combinations of EEG sensors, biochemical sensors, photoplethysmography (PPG) sensors, microphones, and accelerometers, to detect, predict, and/or classify various physiological events and/or conditions related to epilepsy, sleep apnea, and/or vestibular disorders. The events can include neuroelectrical events, cardiac events, and/or pulmonary events, among others. In some cases, the method and systems implement trained artificial intelligence (AI) models to detect, classify, and/or predict. The methods and systems are also capable of optimizing a treatment window, suggesting treatments that may improve the overall well-being of the patient (including improving pre- or post-event symptoms and effects), and/or interacting with various care providers.

Abstract: An integrated cinema amplifier comprises a power supply stage that distributes power over a plurality of channels for rendering immersive audio content in a surround sound listening environment. The amplifier automatically detects maximum and net power availability and requirements based on audio content by decoding audio metadata and dynamically adjusts gains to each channel or sets of channels based on content and operational/environmental conditions. A power supply stage provides power to drive a plurality of channels corresponding to speaker feeds to a plurality of speakers. The amplifier has a front panel having an LED array with each LED associated with a respective channel or group of channels of the multi-channel amplifier, and a control unit configured to light the LEDs according to display patterns based on operating status or error conditions of the amplifier.

Abstract: An integrated cinema amplifier comprises a power supply stage that distributes power over a plurality of channels for rendering immersive audio content in a surround sound listening environment. The amplifier automatically detects maximum and net power availability and requirements based on audio content by decoding audio metadata and dynamically adjusts gains to each channel or sets of channels based on content and operational/environmental conditions. A power supply stage provides power to drive a plurality of channels corresponding to speaker feeds to a plurality of speakers. The amplifier has a front panel having an LED array with each LED associated with a respective channel or group of channels of the multi-channel amplifier, and a control unit configured to light the LEDs according to display patterns based on operating status or error conditions of the amplifier.

Abstract: A high-pressure unit (HPU) skid for greasing and actuating a frac tree valve includes one or more hydraulic pumps, a grease pump, a hydraulic reservoir, and two or more accumulators all of which are mounted on a portable frame. The HPU skid further includes fluidic connections to connect the frac tree valve to an output of the grease pump and fluidic connections to connect the frac tree valve to at least one of the two or more accumulators. The hydraulic pumps are configured to withdraw hydraulic fluid from the hydraulic reservoir for charging the accumulators, operating the grease pump, or charging the accumulators and operating the grease pump at a same time.

Abstract: A method for intent-based natural language processing may include a conversation engine receiving text of an utterance in a conversation from a conversation program, storing a session identifier for the conversation and a conversation state for the conversation, selecting one of a plurality a priority of intents based on the text of the utterance, communicating the text of the utterance to a natural language understanding computer program, receiving a plurality of potential intents and a confidence score for each potential intent from the natural language understanding computer program, selecting a selected intent based on the selected priority of intents, the potential intents, and the confidence scores, executing intent logic associated with the selected intent, updating the conversation state in the database based on the executed intent logic, and returning a response to the conversation program based on the executed intent logic.

Abstract: An adapter device is configured to interface between a wireless power receiver that includes a first array of magnets arranged around a receiver coil in the wireless power receiver and a wireless power transmitter lacking a corresponding array of magnets arranged around a source coil in the wireless power transmitter. The adapter device includes a substrate and a ferrite shield formed of a magnetic material and configured to be placed between the wireless power receiver and the wireless power transmitter.