Abstract: An emergency oxygen system for an internal cabin of a vehicle includes a housing including one or more compartments, and one or more oxygen assemblies. The one or more oxygen assemblies include a mask and a fluid conduit. The mask is configured to be stowed within and deployed from the one or more compartments. A door is moveably secured to the housing. The door is moveable between a closed position underneath the one or more compartments to secure the mask within the one or more compartments, and an open position during a deployment event in which the mask drops down and laterally out of the one or more compartments. The mask is configured to hang down from a portion of the door when the door is in the open position. The emergency oxygen assemblies can be separate and distinct from passenger service units (PSUs).

Abstract: A full-face respirator apparatus includes a face shield including a first aperture, a second aperture, and a third aperture. A first connection interface is positioned at the first aperture to removably connect the first aperture with a first respirator component. A second connection interface is positioned at the second aperture to removably connect the second aperture with a second respirator component. A third connection interface is positioned at the third aperture to removably connect the third aperture with a third respirator component. The first, second, and third connection interfaces have different connection structures to support different types of respirator components to provide modular configurability and ease of repair and maintenance.

Abstract: The disclosure describes a head wearable air purifier that includes a filter assembly, a motor-driven impeller for creating an airflow through the filter assembly to obtain a filtered airflow downstream of the filter assembly, and at least one light source for emitting light in a far UVC portion of the electromagnetic spectrum. The head wearable air purifier further includes a light guide arranged to guide light emitted from the at least one light source to illuminate at least part of an upstream surface of the filter assembly for the decontamination thereof.

Abstract: Proposed is a fire escape mask including a purification canister part configured to purify ambient air for breathing, a mask part configured to introduce and discharge the ambient air purified by the purification canister part, a hose part connected to the mask part to circulate exhaled air and inhaled air, a breathing bag part configured to collect air from which carbon dioxide contained in the exhaled air has been removed, and an oxygen supply part configured to supply oxygen to the mask part or the breathing bag part.

Abstract: An air breathing device includes a casing and an air passage cavity encompassed by the casing. The device includes an air intake port and an air discharge port that connect the air passage cavity to the outside of the casing. The device includes a damper (gravity or motorized) that allows the air to flow into the air passage cavity during inhalation through the air intake port. The device includes a damper (gravity or motorized) that allows the air to exit the air passage cavity during exhalation through the air discharge port. The device includes a retractable display screen to display content to the wearer. The device includes a fixed display screen to display images of the mouth of the wearer captured by a camera lens or simulated based on the wearer's captured voice. The device includes UV lights, filters, network connections, camera lenses, speakers, microphones, ear plugs, and heating coils.

Abstract: A personal breathing apparatus includes a housing having an exhaust port, at least one filter-port, and a mouth-port connecting to a mouthpiece which is held inside the user's mouth while worn. A mouthguard on the mouthpiece is claspable by the user's teeth. By design, the personal breathing apparatus is balancable at the mouthpiece, such that the portion of the apparatus outside of the user's mouth is no heavier than the portion inside the user's mouth. In this way, the apparatus can be retained only by the clenching action of the user's teeth for long periods of time with no duress to the user. No head strap or other retention fastener is required.

Abstract: A gas purification apparatus for nasal application is provided for purifying and/or reducing undesirable materials from air and/or gas intended to enter a nasal cavity. The gas purification apparatus for nasal application may include a gas purification apparatus, housing component, power component, fan component, filtration component, cap, germicidal irradiation component, aroma component, nose plug component, monitoring component, and medicinal component.

Abstract: In various aspects, a harness includes a connector, a first strap coupled to the connector, a second strap coupled to the connector, and a web that is coupled to the first strap and the second strap. The web is positioned at least partially behind the connector.

Abstract: A mobile safety fall arrest cart is provided. The mobile safety fall arrest cart is configured to move along an edge of an elevated surface as a worker works along the edge. The worker is connected to the cart with a safety line. If the worker falls from the elevated surface, the weight of the worker causes a spike assembly to move from a stowed configuration to a deployed configuration. In the deployed configuration, a spike member engages the elevated surface so as to assist in arresting the worker's fall.

Abstract: Anchor devices for fall protection are provided. The anchor device may comprise a structural sheet and at least one anchorage connector. The sheet may be a one-sided sheet or a two-sided sheet and may comprise a plurality of slots with an elongated or round profile for connecting the sheet to a working structure such as a roof. In some embodiments, the slots are at an angle. The anchorage connector may be one of the following structures: 1) a loop with a hole extending therethrough, the loop being integral with the sheet; 2) a lateral extension having a tubular portion that engages a connector ring; and/or 3) a bent extension connected to a connector ring via a bolt. In some embodiments, the anchor device may further comprise one or more testing projections.

Abstract: Techniques are described for monitoring and controlling fall protection equipment. For example, the techniques of this disclosure may be used to monitor the connection status of fall protection equipment, e.g., whether or not the fall protection equipment is connected to a support structure. The techniques described in the disclosure may determine whether the fall protection equipment is connected to a support structure based on changes in a resonant frequency of an electronic circuit of an inductive sensor within the fall protection equipment. The inductive sensor may be formed from sets of one or more coils, where a first set of one or more coils and a second set of one or more coils are wound in opposite directions.

Abstract: A vehicle is disclosed. The vehicle includes a battery device, a fire extinguishing agent tank accommodating a fire extinguishing agent, a first flow path connected to the battery device and the fire extinguishing agent tank, a valve configured to regulate opening of the first flow path, a second flow path connected to the fire extinguishing agent tank, and an external inlet connected to the second flow path and configured to receive the fire extinguishing agent from an external device.

Abstract: Methods and apparatus for dual-purposing of thermal transport bus (TTB) working fluid as a fire extinguishing agent are disclosed herein. An example fire extinguishing system includes a thermal transport bus to transfer heat between fluids on an aircraft using a working fluid, and a fire extinguishing nozzle connected to the thermal transport bus, the fire extinguishing nozzle positioned to deploy the working fluid as a fire extinguishing agent to a location of the aircraft.

Abstract: A water injection unit includes an enclosure including, on at least one outer wall, a connection port connectable to a fire-fighting connection hose or a communication cable, a water tank connected to the connection port and located in the enclosure, a gas storage tank connected to the water tank to supply gas into the water tank, and a controller connected to the connection port and the gas storage tank, and configured to detect whether a fire occurs in the battery container, and allow gas in the gas storage tank to be sprayed into the water tank and allow fire extinguishing water in the water tank to be discharged due to gas pressure.

Abstract: A protective device prevents tampering with a pipe system. The system transmits fluid from an upstream end to a downstream end of the system. The protective device includes a pipe insert disposed within the system between the upstream and downstream ends, and a valve within the pipe insert. The valve is moveable between open and closed positions, wherein the open position opens the pipe insert, enabling transmission of the fluid through the pipe insert, and the closed position occludes the pipe insert, disabling transmission of the fluid through the pipe insert to the downstream end of the system. The device includes a sensor for disposition within the fluid to detect a target compound in the pipe insert or a threshold pressure level. The valve moves from the open position to the closed position when the sensor detects the target compound or threshold pressure level.

Abstract: Embodiments of this disclosure provide an energy storage system and a control method thereof. The energy storage system includes: a cabinet; an energy storage device, a first sensing apparatus, and configured to sense a concentration of flammable gas in the cabinet; a ventilation apparatus, disposed on the cabinet, where the ventilation apparatus is configured to exhaust the flammable gas from the cabinet; and a controller, communicatively coupled to the first sensing apparatus and the ventilation apparatus, and configured to: receive first sensing information indicating the concentration of the flammable gas from the first sensing apparatus, and generate, based on the first sensing information, a signal for controlling the ventilation apparatus.

Abstract: In accordance with some aspects, the disclosure provides implementations of device for aiding in extinguishing fires. The device includes a body surrounding a volume defining a fluid plenum. The body defining a plurality of exit ports therethrough to direct pressurized fluid at a target, and at least one fluid input port to couple to a pressurized fluid source.

Abstract: The invention relates to a method for treating emergency spill or leak of halogen which is bromine or chlorine, comprising contacting an aqueous solution of quaternary ammonium halide with the halogen.

Abstract: The ball bearing post and quick release system with revolute joint, and its movement limiter makes the use of the jump rope more convenient and safer for the user. The presented solution includes a clevis with a movement limiter in the ball bearing post and a tang in the quick release system joined together with a fastening element, and together forming a revolute joint. The movement limiter prevents movement of the quick release system to the extent that the quick release system cannot move against user's hand, or against the ball bearing housing located at the top of the jump rope handle.

Abstract: An exercise device for performing abdominal exercise in a supine or seated position includes a middle portion and two end portions, the middle portion being contoured for a comfortable fit around the back of the user's neck, and the end portions serving as hand grips for the user such that the hands are disposed at shoulder width and slightly forward of and above the shoulders when in use. The device has a telescoping construction comprised of three sequential tubular segments of substantially equal length joined together in a telescoping manner and locked in place relative to one another by retractable locking pins. The hand grips can be selectively connected to the middle portion in two different ways, one in which the hand grips are configured to be generally parallel to the longitudinal axis of the device and a second in which the hand grips are configured to be generally perpendicular to the longitudinal axis of the exercise device.

Abstract: An exercise apparatus comprising: a frame; first and second vertical guides coupled to the frame; first and second carriages carried on the respective first and second vertical guides, each of the first and second carriages having an upper carriage portion, a lower carriage portion and a carriage locking mechanism operable to lock and release the lower carriage portion to a selected vertical position along the first and second vertical guides; and an exercise bar coupled to the upper carriage portion of the first and second carriages, the exercise bar operable to translate or rotate to actuate the carriage locking mechanism.

Abstract: A variable resistance device includes first and second body elements and a force-generating system disposed therebetween. The force-generating system includes a resiliently deflectable beam extending relative to the first body element and toward the second body element, an interface element, and a cam projecting relative to the second body element and toward the first body element. The cam presents a cam surface. The interface element shifts along the cam surface upon application of a driving force to at least one of the body elements relative to the other and consequent shifting of the body elements relative to each other, resulting in corresponding bending of the beam and consequent generation of a resistance force by the beam. The cam surface presents a profile that varies along a length thereof, such that the resistance force generated by the beam varies irregularly as the interface element moves along the cam surface.

Abstract: A force assistance system for an exercise machine assists a user during a first portion of a lift. The force assistance system provides an assistance force at the beginning of a lift to help the user perform the lift. The assistance force reduces the amount of force the user must provide to start the lift. The assistance force helps the user exercise using higher weights for better muscle development. The force assistance system for the exercise machine generally includes an upper member, a lower member and at least one resilient member positioned between the upper member and the lower member. The upper member, the lower member and the at least one resilient member are adapted to be positioned between a frame and a movable arm of the exercise machine. The at least one resilient member applies the assistance force in an upward direction to the movable arm to help the user move the movable arm during a first portion of a lift.

Abstract: A rotary electromagnetically controlled resistance device not only installs a high-precision sensor module in the resistance device only, but also writes integrated 3-parameter actual measured data (speed, torque and current) into an EEPROM of the sensor module and installs the EEPROM in the resistance device. Software and hardware of a controller are installed externally, such that a signal cable of the sensor module can be passed through the rotary resistance device and connected to the external controller. Therefore, this invention can overcome the issue of setting the controller in the resistance device in the related art, and the resistance device can be developed independently and completely without being limited by the controller to greatly improve the flexibility in mass production and maintenance of the resistance device, while the high-precision 3-parameter real measured data can be moved and kept together with the resistance device to achieve a long-term high-precision effect.

Abstract: An exercise loop that can be used for isometric exercises comprising a loop of elastic materials that can have ridges and/or a curved or domed exterior surface which can help prevent the loop from rolling, slipping, and/or falling during use. The elastic materials can be comprised of thermoplastic elastomer, thermoplastic rubber, silicone, and/or an antimicrobial agent. The exercise loop can be between about two inches and seven inches. This greater width can also help prevent the loop from rolling which can bruise or otherwise damage the skin of a user. The loop and/or ridges can be hollow enclosing a cavity or solid. The cavity can be at least partially filled with a substance, such as gel, antimicrobial agent, and/or the like. The loop and/or ridges can be permeable, or the loop and/or ridges can be impermeable so as to keep a gel from coming out of the cavity.

Abstract: A free-motion swing arm includes a rack mount; a swivel joint; a hollow tubular arm; and a U bracket with a handle and a weight bearing post extending from opposite surfaces. The rack mount has a handle and mounts on an exercise rack. The swivel joint includes a bearing and a mounting plate, mounts on the rack mount, and rotates about a vertical axis. The arm is mounted to the mounting plate, rotates about a horizontal axis, and is reversibly lockable in multiple positions. The U bracket is mounted to the arm. The swing arm allow movement 180 degrees on both a vertical axis and horizontal axis and in between at the same time for free movement.

Abstract: A plank stand, comprising: abase; a first leg shaft connected, on a first end thereof, with the base; and at least one first leg support connected with a second end of the first leg shaft; wherein the plank stand is configured to enable a user to stand on the base and lean on the at least one first leg support.

Abstract: The present invention is an exercise weight with incremental weight inserts. The ends of the weight will be hollow to fit the different weighted inserts inside. The weighted inserts are screwed in and stay in place with magnets. The handle of the weight will be oval shaped and tapered down to fit the natural grip of the hand. The weighted inserts will be a different weight on each side of the dumbbell to maintain the same overall weight percentage, starting with either a ¼th pound or 0.25 kg insert. The weights will come in different sizes for men and for women due to the differences in sizes of men's and women's hands. With the incremental weight inserts and the angled and narrowing handle, the user will be able to have a safe and effective workout.

Abstract: The present invention relates to a dumbbell designed to enhance ergonomic handling and versatility in physical training. The dumbbell comprises two spaced-apart weight members connected by multiple linking members, which include a central linking member and two lateral linking members. The central linking member is oriented diagonally to provide an ergonomic grip and reduce the risk of wrist injuries, while the lateral linking members feature an arcuate shape to avoid wrist impact during dynamic exercises. This configuration allows the dumbbell to be used for a variety of exercises traditionally performed with both dumbbells and kettlebells, thereby offering a versatile exercise tool that accommodates a wide range of fitness routines.

Abstract: A chest expander comprises a shell, a rotating shaft, a winding storage wheel, an elastic member, and a pull strap, further comprises a resistance adjustment mechanism, and the resistance adjustment mechanism comprises a resistance wheel, an arc-shaped base strap, and a friction plate, wherein the resistance wheel is arranged on the rotating shaft, the arc-shaped base strap is arranged opposite to a peripheral surface of the resistance wheel, and the friction plate is arranged on an inner surface of the arc-shaped base strap and is in frictional contact with the peripheral surface of the resistance wheel; and one end of the arc-shaped base strap is fixedly connected to the shell, and the other end is movable and adjustable to adjust friction between the friction plate and the resistance wheel. the utility model employs purely mechanical adjustment, which achieves a simpler structure and can greatly reduce costs.

Abstract: A stabilizing system for a modular structure is disclosed. The modular structure is intended to provide a framework for the storage of physical fitness training equipment and the support of items of exercise apparatus. Since such structures are prone to tipping, the prior art required that they be permanently fastened to either a wall or a floor. The present disclosure provides a system for obviating the need for permanent fastening by providing a foot element extending outward from the vertical support elements of the modular structure which moves the tipping point and by providing a base plate arrangement which can carry weight modules to act as a counterweight in opposition to any tipping forces.

Abstract: An exercise equipment, that includes (a) a frame that includes a vertically wall-mountable beam; (b) one or more brackets for connecting the vertically wall-mountable beam to a wall; (c) an arm that rotatable in relation to the vertically wall-mountable beam and is selectively positionable along the vertically wall-mountable beam; (d) a cable; (e) a resistance source, and (f) a cable transfer unit that is configured to convey the cable through a cable path formed within the frame.

Abstract: An exercise machine configured for a user to perform an exercise motion. A first frame is configured to be positioned on a floor. A second frame is supported by the first frame, the second frame being manually moveable by the user relative to the first frame into a desired position for the user to perform the exercise motion. A sensor detects an actual position of the second frame relative to the first frame. A display device is configured to display the actual position detected by the sensor to assist the user in moving the second frame into the desired position.

Abstract: An exercise machine with a more natural gait and computer gaming interface which, in some embodiments, further allows for a variable stride length while in use. In one configuration, each side of the exercise machine has a first crank assembly connected at an upper location on a pedal arm and a second crank connected at a middle location on the pedal arm, and a pedal is attached to a lower location of the pedal arm. The first crank assembly is connected to the pedal arm by a crank arm. The second crank assembly is connected to the pedal arm via a crank arm pivotally attached to a crank link. The path of each pedal is determined by the lengths of crank arms and crank links of the first and second crank assemblies rotating in synchronous motion.

Abstract: Various systems and methods that enhance an exercise activity performed by a user are described. In some embodiments, a rowing machine is described. The rowing machine includes devices and/or components that can enhance the user experience of a user performing a rowing activity using the rowing machine, such as during a rowing-based exercise class. For example, the rowing machine can include different sensors that capture information associated with a position or movement of a seat of the rowing machine relative to a position or movement of a handle of the rowing machine and utilize the captured information to perform actions associated with the user performing the rowing activity.

Abstract: A reformer may include a frame extending between a first end portion and a second end portion. The reformer may also include a carriage slidably coupled to the frame, where the carriage is movable along a length of the frame. The carriage is configured to be selectively and releasably coupled to the first end portion of the frame, and selectively and releasably coupled to the second end portion of the frame.

Abstract: Described herein are fields of exercise or therapy systems in particular exercise or therapy systems that controllably generate and maintain an unweighted environment using a mechanical system or a differential air pressure (DAP) envelope about a user so as to at least partially or completely unweight the user. This application also relates to improved control systems for pressure chambers for use in differential air pressure (DAP) systems including data collection and utilization for general fitness use, athletic use, or medical use treadmills and related software, control and analytics systems, especially as related to obtaining gait data from load cells provided in the system.

Abstract: An exercise device comprising a floor assembly, an upright assembly, and a suspended beam assembly. The floor assembly comprises four beams of sufficient size to surround a stationary bike. The upright assembly comprises two upright beams and are of sufficient length that they extend from the floor assembly to the suspended beam assembly such that a user positioned on a stationary bike can extend his/her arms over his/her head to grab the suspended beam.

Abstract: Disclosed herein is a system for testing motor skills involved in locomotor, non-locomotor, and manipulative activities. The system utilizes joint data created by a motion sensor during a subject's performance of an activity to determine the subject's motor skill proficiency for that activity. The system compares the subject's joint data to benchmark data to detect one or more phases of the activity. Based on the comparison, the system also determines the subject's proficiency in the particular motor skill tested. The system is embodied in a computer-implemented application that provides various user interfaces for navigating through the user interfaces, accessing a database of the system, testing a subject's motor skills, analyzing a subject's proficiency, and facilitating practice of motor skills.

Abstract: The present embodiments relate to tracking player movements from a video broadcast and determining a defensive influence score from the tracked movements of the player. The present embodiments can implement one or more models to generate a defensive influence score that quantifies a defensive intensity of a player during the course of a game. The defensive influence score can include a frame-by-frame machine learning prediction that can be used to estimate the defensive pressure a player is having on another player during the course of the game. Additionally, the present embodiments can capture and estimate fitness metrics, such as sprints and efforts around detected plays such as pick-and-rolls and off-ball screens, which can be good proxies for player effort. Further, event detection outputs (both offensive and defensive metrics), can be used as features to estimate fitness metrics for the player (e.g., player load, sprints, jogs, etc.).

Abstract: Measurement station for assessing the functional age of a user, comprising: a display and/or a loudspeaker; a controller presenting, via the display and/or the loudspeaker, instructions guiding a user in performing first and second tests for assessing the mobility of the body and the balance ability of the user; a camera which sends to the controller images of the user captured during the tests.

Abstract: Tracking and monitoring athletic activity offers individuals with additional motivation to continue such behavior. An individual may track his or her athletic activity by completing goals. These goals may be represented by real-world objects such as food items, landmarks, buildings, statues, other physical structures, toys and the like. Each object may correspond to an athletic activity goal and require an amount of athletic activity to complete the goal. For example, a donut goal object may correspond to an athletic activity goal of burning 350 calories. The user may progress from goal object to goal object. Goal objects may increase in difficulty (e.g., amount of athletic activity required) and might only be available for selection upon completing an immediately previous goal object, a number of goal objects, an amount of athletic activity and the like.

Abstract: Certain aspects of the present disclosure provide a monitoring system comprising a continuous analyte sensor configured to generate a first set of analyte measurements associated with analyte levels of a host, and a sensor electronics module coupled to the continuous analyte sensor and configured to receive and process the first set of analyte measurements.

Abstract: Certain aspects of the present disclosure provide a monitoring system comprising a continuous analyte sensor configured to generate a first set of analyte measurements associated with analyte levels of a patient, and a sensor electronics module coupled to the continuous analyte sensor and configured to receive and process the first set of analyte measurements.

Abstract: The present invention discloses an AI-powered system integrating robotic defenders and advanced performance analysis to revolutionize sports training and strategy. The system includes robotics mechanical defender or defender in a wall, equipped with imaging or video apparatus, high-precision sensors and machine learning algorithms to simulate realistic and dynamic opponents. It also features striker scan technology that analyzes historical player data to predict shot selection and actions, providing strategic insights. An AI-driven training tools offer personalized regimens and real-time feedback, enhancing skill development. This comprehensive system improves player performance and team strategy across various sports by offering consistent, challenging practice scenarios and detailed tactical analysis. The system can be implemented in any ball game needing defenders.

Abstract: An outdoor swimming trajectory determination method includes in a situation where positioning data is not obtained, obtaining a swimming direction of a user and a swimming acceleration of the user, the swimming direction being collected by a first terminal, determining a swimming trajectory of the user according to the swimming direction and the swimming acceleration, and in a situation where the positioning data is obtained, correcting the swimming trajectory according to the positioning data, The swimming acceleration is collected by at least one of the first terminal or a second terminal. The positioning data is collected by the second terminal.

Abstract: The present invention provides a method for velocity based eccentric weight training (VBET), which mainly aims at overcoming the conventional weight based eccentric weight training method, and for the problems generated during the eccentric weight training process. The invention is an eccentric weight training based on velocity. By monitoring the velocity, the load is dynamically adjusted to replace the traditional eccentric training based on a certain weight, so that the velocity of the eccentric weight training can be stably maintained. There is no risk of crushing injuries due to weakness or mistake in letting go, which can effectively reduce the risk of user's injury, enhance user's confidence during operation, and provide a highly safe resistance control method, resistance system and software.

Abstract: A resistance force is controlled such that a user's effort against the resistance force results in a first isokinetic seed movement. The resistance force required to effect the first isokinetic seed movement is associated with a force-velocity profile. It is determined whether a sufficient number of isokinetic seed movements have been performed by the user. In response to a determination that the sufficient number of isokinetic seed movements have been performed by the user, a strength determination of the user is made based on the isokinetic seed movements performed by the user.

Abstract: A resistance yoga post device for fitness is provided. The device includes a drum. At least one side of the drum is provided with a first resistance sheet and a first screwing part, and the first screwing part is connected to an end of the roller in the drum through the first resistance sheet. A first support is arranged between the first screwing part and the first resistance sheet, the first resistance sheet is disposed in the first support, and the first screwing part is connected to the end of the roller in the drum through the first support. The resistance yoga post device for fitness is easy to install and disassemble, more flexible and convenient to use, and can improve the fitness effect, and has various functions.

Abstract: Golf balls having cores with increased hardness gradients and improved impact durability are provided. The cores have an increased “positive” hardness gradient (or a “hard-to-soft” hardness) where the outer surface of the core is harder than the center. The cores are formed from rubber formulations including combinations of a terpene-based resin, ethylene-propylene-diene (EPDM) rubber, and/or a water releasing agent. The resulting golf balls have increased impact durability and resilience.