Abstract: A liquefied natural gas (LNG) management system that stores natural gas in a liquefied state in an isothermal storage tank. A modular multi-fueling platform is in fluid communication with the isothermal storage tank. The modular multi-fueling platform includes a LNG conditioning tank, a compressor, a heat exchanger, a heater, plumbing, associated valves, various sensing transmitters, and a programmable logic computer (PLC). Data acquired by the PLC determines actions by the modular multi-fueling platform, including operation of valves, the compressor, etc. The system transfers LNG between the storage tank, the conditioning tank, and a cargo tank (consumer's vehicle tank). The system employs steps of heating and compressing the LNG and boil off gas to maintain the LNG at temperature. The system employs pressure differences for transferring the LNG between tanks.

Abstract: A multi-chamber dryer using adjustable conditioned air flow is disclosed. According to one embodiment, an apparatus includes a drying belt configured to receive a product to be dried on a first surface of the drying belt and a heat medium in contact with a second surface of the drying belt. The heat medium is configured to heat the product and is maintained at a pre-determined temperature.

Abstract: A hybrid kiln system and method for drying material, such as lumber, logs, and timber. A solar air heater uses solar radiation to heat air. The heated air is pushed into a kiln using one or more solar air heater fans. A dehumidifier is also provided to dehumidify and heat the air within the kiln. A method for determining when the solar air heater fans and the dehumidifier should be activated is also provided, and is based upon the temperature difference between the solar air heater's interior and exterior, as well as the relative humidity within the kiln.

Abstract: In example implementations, a printing device is provided. The printing device includes a printer module, a plurality of dryer modules, and a side exit unit. The printer module is to print on a continuous web of print media. The plurality of dryer modules is located downstream from the printer module. The continuous web of print media is fed in a wrap-around direction from an outermost dryer module to a center dryer module. The side exit unit is coupled to the center dryer module to redirect the continuous web of print media along an outer side of the plurality of dryer modules.

Abstract: A DC plasma arc furnace, a method of co-processing waste and metal, a method of producing energy by processing material using the furnace, and the products produced by the furnace are provided. Metal may be efficiently processed by the furnace via an increased organic content in other feedstock fed into the furnace.

Abstract: Setter plates are fabricated from Li-stuffed garnet materials having the same, or substantially similar, compositions as a garnet Li-stuffed solid electrolyte. The Li-stuffed garnet setter plates, set forth herein, reduce the evaporation of Li during a sintering treatment step and/or reduce the loss of Li caused by diffusion out of the sintering electrolyte. Li-stuffed garnet setter plates, set forth herein, maintain compositional control over the solid electrolyte during sintering when, upon heating, lithium is prone to diffuse out of the solid electrolyte.

Abstract: Particular embodiments described herein provide for an electronic device that can be configured to include a first support structure that includes a first heat source, a second support structure that includes a second heat source, and a heat pipe that has a first side and an opposite second side, where the first heat source is coupled to the first side of the heat pipe and the second heat source is coupled to the second side of the heat pipe. In some examples, the heat pipe can be a vapor chamber.

Abstract: A heat transfer device includes a sleeve, which forms an interior in which a working medium and one vaporization element having structural elements, or multiple vaporization elements having structural elements, for converting at least part of the working medium from the liquid to the gaseous state are contained, wherein the vaporization element or the vaporization elements has or have a porosity, and is or are connected to the sleeve.

Abstract: Provided is a heat accumulator including a heat exchange chamber having a lower portion and an upper portion and being configured to accommodate therein heat storage elements for storing thermal energy, wherein the heat exchange chamber includes an inlet which is configured to supply a working fluid into the heat exchange chamber. A passively controlled first pressure loss regulating device is arranged within the flow of the working fluid in the heat exchange chamber and configured to pass the working fluid through, wherein the first pressure loss regulating device is configured to form a first flow resistance for a flow of the working fluid in the first pressure loss regulating device being different to a flow resistance for a flow of the working fluid in the heat exchange chamber adjacent and outside the first pressure loss regulating device.

Abstract: An adjustable, customizable, and configurable heat transfer element is structured for facilitating hear transfer in pipe systems having process pipes. The heat transfer element is configured for transferring heat between a process pipe and a corresponding tracer tube in order to maintain a fluid within the process pipe within a predetermined temperature range. In this regard, the heat transfer element may comprise a body having a nested portion that forms a cavity therein, each extending in a longitudinal direction. The body is configured for operative coupling to the process pipe. The cavity of the nested portion is configured to receive a tracer tube therein such that the tracer tube is positioned in between, and at least partially surrounded by the body and the process pipe. Moreover, the body may comprise a spine that is utilized to aid in bending the heat transfer element in one or more planes.

Abstract: A tube plate for a heat exchanger has a base body in which at least two apertures are formed for receiving respectively a tube body. In addition, the tube plate includes a groove, likewise formed in the base body, with which the two apertures are connected with one another.

Abstract: A method of enhancing an open celled foam metal heat exchanger is presented where the structure uses fluid channels that distribute fluid and/or air across a continuous flow field. The heat exchanger not only improves heat transfer properties given a required pressure drop but also takes into consideration the need to manufacture low cost solutions that may be mass produced to meet high capacity throughput requirements for the air and space industries.

Abstract: A barrel breech lock and mechanism for a projectile launcher chat uses a launcher body, a lower rail extending forward and under the launcher's barrel breech and a pivotally mounted latch plate. Extending downward extending from the latch plate is a front handgrip. Disposed between the lower rail and the latch plate and directly above the front handgrip is a locking mechanism that selectively blocks rotation of the proximal end of the latch plate. In two embodiments, the locking mechanism is a biased lateral push button or a biased sliding button. When the lock mechanism is activated, the proximal end of the latch plate may be rotated downward by a twisting force applied via the from handgrip. Disposed between the proximal end of the latch plate and the barrel breech is a second lock mechanism that includes a pin. The end of the pin engages a stop surface formed on the barrel breech when axially aligned in the breech void area.

Abstract: An assembly for directing propellant gas to an action of a firearm includes a barrel and a gas block. The barrel has a plurality of gas ports that communicate with the bore of the barrel. The barrel and the gas block define a passage that receives pressurized propellant gas from the bore by way of the barrel gas ports, and directs the propellant gas to a gas port of the gas block. The plurality of barrel gas ports and the passage act as a manifold in which the propellant gas is taken from multiple locations within the barrel, combined into a single flow, and directed into the gas block via the gas block gas port. The pressurized gas is then routed to an action of the firearm by way of a gas tube and a gas key.

Abstract: An assembly for directing propellant gas to an action of a firearm includes a barrel and a gas block. The barrel has a plurality of gas ports that communicate with the bore of the barrel. The barrel and the gas block define a passage that receives pressurized propellant gas from the bore by way of the barrel gas ports, and directs the propellant gas to a gas port of the gas block. The plurality of barrel gas ports and the passage act as a manifold in which the propellant gas is taken from multiple locations within the barrel, combined into a single flow, and directed into the gas block via the gas block gas port. The pressurized gas is then routed to an action of the firearm by way of a gas tube and a gas key.

Abstract: Systems and methods for an adjustable gas block are described. Systems may include an adjustment subassembly. The adjustment subassembly may include a valve stem end with a front-most portion larger in diameter than the rear-most portion and a boss extending from the forward portion of the valve stem end; a valve ring surrounding the boss of the valve stem end; a valve threaded portion for receiving the boss of the valve stem end and having a threaded portion; and a valve rotator coupled to the valve threaded portion for adjusting the flow of gas. Systems may include a gas block assembly. The gas block assembly may include a gas block through hole; a first duct to direct pressurized gas from a barrel to a plenum; a second duct to direct a regulated volume of gas to a gas operating system; a seat valve to control the regulated volume of gas to the gas operating system; and a gas block threaded portion for coupling to the valve threaded portion.

Abstract: A smart home system with firearm tracking includes a sensor network installed within a building and a control panel including an input mechanism, a display screen, a wireless transceiver, and a scanning mechanism. The system is configured to monitor at least one firearm that has an ammunition sensor, a GPS sensor, a wireless transceiver, and a magazine having a unique scannable QR code. The control panel receives user identification information via the input mechanism or an external remote device, generates a user profile that includes the identification information, scans the unique QR code of the firearm magazine, assigns the magazine to a selected user profile, and receives an ammunition count from the firearm as detected by the ammunition sensor. The system can send location and ammunition change notifications to the control panel display, external user devices, and emergency authorities to enhance the safety of the firearm user and general public.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, are described for implementing a smart firearm safety device. The safety device attaches to a firearm having a trigger and a slot for receiving a magazine. The safety device includes a locking mechanism that attaches to the trigger to preclude depressing a trigger of the firearm and a sensor that determines an orientation of the firearm or a relative motion of the firearm to indicate detected movement of the firearm. The safety device also includes a radio device that receives parameter signals from the sensor indicating movement of the firearm. The radio device communicates with a component of a property monitoring system to receive a command to engage the locking mechanism to preclude depressing the trigger of the firearm based on parameter signals indicating a particular type of detected movement of the firearm.

Abstract: The embodiments described herein include a trigger assembly for a firearm including a rotatable disconnector biased by a detent ball and a return spring to reset the trigger, whereby resetting said trigger causes the rotation of said disconnector to completely decompress said return spring thereby providing no spring pressure on the trigger.

Abstract: A firearm mount, components thereof, and associated methods. The firearm can be configured for use with an AR-15 style firearm or other type of firearm. The firearm mount is adapted to securely hold the firearm assembly in position for cleaning, maintenance, and/or gunsmithing tasks. The firearm mount can include a lock configured to selectively lock and unlock a firearm assembly thereon.

Abstract: The disclosed technology includes a semi-automatic crossbow having a stock, a plurality of limbs, a drawstring, a bolt feeder, a barrel, a draw assembly, and a release. The draw assembly can be configured to automatically move the drawstring to a cocked position and the release can include a trigger and be configured to release the drawstring when the trigger is actuated. The disclosed technology can further include a truck configured to engage the drawstring and a bolt such that the bolt can be propelled forward by the truck when the drawstring is released by the release.

Abstract: A crossbow includes a magazine mounted to the top of the crossbow and the magazine includes a storage space defined through the top and the bottom top of the magazine, and the storage space communicates with the flight rail of the crossbow. Multiple arrows are loaded in the storage space. The magazine includes two first engaging members which are removably engaged with two second engaging members formed on the top of the crossbow. Two protrusion respectively extend inward from two inside walls of the storage space to restrict and guide this arrows in the storage space. A retainer has a first end thereof connected to the magazine and a resilient member is located in the storage space and biases between the retainer and the inside of the storage space such that the retainer normally pressing the arrows in the storage space.

Abstract: An example archery arrow rest orthogonal cord force device for an arrow rest of an archery bow includes a housing member having a first end and a second end. A circuitous path is formed at least partly within the housing member. The circuitous path extends at least partly between the first end and the second end of the housing member. The housing member is attached along a linear axis of a cord defined by two attachment points of the cord in the arrow rest as part of the archery bow.

Abstract: An archery bow is disclosed herein. The archery bow, in an embodiment, includes a frame, a plurality of flexible limbs coupled to the frame, and an electrical motor coupled to the frame. The archery bow also includes at least one gear that is operatively coupled to the electrical motor as well as the flexible limbs.

Abstract: An archery arrow/bolt pulling device designed for the safe, easy, non-destructive and one handed extraction of deeply embedded, complete arrow or bolt assemblies regardless of shaft diameter or arrowhead type from foam and other target materials. This device pulls with three surrounding gripping jaws in a coaxial path with the long axis of the arrow/bolt and the combined mechanical advantage power of lever, fulcrum and cam while overcoming the minimal movement of the load end of the lever by means of a ratcheting pawl and toothed pull rod.

Abstract: A toy gun having a pair of sides are joined together using a number of pins inserted through pin holes passing through the pair of sides. A trigger and a slide are sandwiched between the pair of sides and are secured therein. A pivot pin allows the trigger to be pulled rearwardly such that it presses against the slide, moving it reward as well. When this occurs, the slide moves out from between the two sides, pushing the elastic bands away from static notches located on the rear end of the sides. This causes the top-most elastic band to fire away from the gun, and the remaining elastic bands to be reseated upwardly into the next adjacent respective static notch. The elastic bands pull the trigger back into its original position, allowing for semi-automatic firing.

Abstract: A toy projectile launcher pistol having a handle with an internal projectile storage area; at least one pair of inwardly biased resilient flaps; an air piston assembly having a barrel and a plunger element; a sliding handle coupled to the barrel, the sliding handle and barrel being movable between a forward position and a backward position; a compression spring that biases the plunger element against a rear wall in the toy projectile launcher pistol; and a latching assembly that couples the plunger element to a trigger assembly when the sliding handle is moved to the backward position, and the trigger assembly, upon toggling, releasing the coupling of the latching assembly between the plunger element and the trigger assembly.

Abstract: The invention is an explosive projectile launch system rack device for improved safety, assembly, ease of use, operations, repair, and visibility, with fiber and adhesive connection, and connection reinforcement, interlocking members, modular replacement, shatter resistant material, and light emitting material.

Abstract: A scope mount apparatus for attaching an optical scope to a firearm is provided. The scope mount apparatus includes at least one base with at least one fastening element for attaching the base to the firearm. The scope mount apparatus also includes two scope rings operatively connected to the at least one base. An integral sighting system is mounted with respect to the base. The scope mount apparatus is configured such that an unobstructed line of sight extends between the scope rings and the base. The unobstructed line of sight contacts or intersects the sighting system so that a user of the firearm has the option of using either a scope in the scope rings or the integrated sighting system to aim at a target.

Abstract: A camera system having a sight device, with a housing configurable for securing about a weapon, the camera connects with a smart phone device for displaying an image from the sight device for accurately targeting with a weapon.

Abstract: A phosphorescent sight system is provided comprising a rear sight for disposition along a proximal portion of a slide substrate of a firearm and a front sight for disposition along a distal portion of the slide substrate. The sight system may further comprise an optical waveguide disposed within a waveguide cavity of the rear sight or the front sight. Further, a phosphorescent element may be disposed adjacent a proximal portion of the optical waveguide.

Abstract: The disclosure relates to target acquisition and related devices, and more particularly to viewing optics and associated equipment used to achieve shooting accuracy at, for example, close ranges, medium ranges and extreme ranges at stationary and moving targets.

Abstract: A device comprised of bubble level inserted into and secured within a cavity located above the rifle grip and behind the barrel to facilitate the measurement and compensation of the rifle's cant while lining up the rifle's sights. The device is precision machined to allow the bubble to be aligned with the axis of the barrel to produce a true “zero-cant” condition. Graduation markings are placed on either left or right of the bubble level to allow the user to better judge the relative degree of cant. A light source is placed adjacent to the bubble level to illuminate cant for a shooter in a dark environment. Methods of using the embedded cant indicator for precision shooting are presented.

Abstract: A magnetic dartboard game system comprising a plurality of magnetic darts and a dartboard is described. In some implementations, the magnetic dartboard system comprises a dartboard having a backing portion, a metal layer portion, and a decorative cover portion. In some implementations, the magnetic dartboard system also comprises a magnetic dart having: a shaft body having a first end and a second end, said shaft body having a geometric shape with one or more tapers; a threaded cap, wherein the threaded cap is configured to thread onto the first end of the shaft body; a magnet having a first end and a second flat end, wherein the first end of the magnet rests on the second end of the threaded cap; and a balance tail fin with one or more vanes, wherein the balance tail fin is configured to attach to the shaft body of the magnetic dart.

Abstract: An oil and gas well shaped charge perforator capable of providing an exothermic reaction after detonation is provided, comprising a housing (2), a high explosive (3), and a reactive liner (6) where the high explosive is positioned between the reactive liner and the housing. The reactive liner (6) is produced from a reactive composition which is capable of sustaining an exothermic reaction during the formation of the cutting jet. The composition is a pressed i.e. compacted particulate composition comprising at least two metals, wherein one of the metals is present as spherical particulate, and the other metal is present as a non-spherical particulate. There may also be at least one further metal, which is not capable of an exothermic reaction with the reactive composition, present in an amount greater than 10% w/w of the liner. To aid consolidation a binder may also be added.

Abstract: A captive piston projectile (40) comprising a payload housing (43), a piston assembly attached to the payload housing (43), and actuation means (46) for urging the piston assembly from a stowed configuration to an extended configuration. The piston assembly comprises a tubular piston member (41) attached around the periphery of the payload housing (43), the attachment optionally being in the form of a circumferential groove (42) within which the piston member (41) can slide. This provides increased thrust whilst maintaining payload volume. Particularly suited to use with barrelled weapons, and also relates to a method of manufacture.

Abstract: A mechanism for extraction caseless ammunition, the mechanism for extraction including a receiver (84) interacting with the lid of the receiver (85); lock frame (86) which interacts with the lid of the receiver; bolt (88) made in the lock frame; a conical bushing (93) installed inside the bolt through the firing pin (89); an extractor (95), wherein lock frame is made with a front ledge (87); on the front end of the firing pin the conical part (90) is made; conical bushing (93) is made with interior ledges (94); a shaft (103) with a circular groove (104); the rear part (102) passes into the lower ledge (106) which has a front inclined area (107) and a rear horizontal area (108) and the lower ledge (106) passes into the upper ledge (109) which has a front inclined area (110), an upper horizontal area (111) and a rear inclined area (112).

Abstract: The present disclosure provides a thickness measuring device including a base, a first moving component, a second moving component, a frame and a linking component. The base includes a base main body and a sensor. The first moving component moves along a first direction and includes a contacting end. The second moving component moves along a second direction and includes a sensing element corresponding to the sensor. The frame is connected to the base and includes a frame main body, a first guiding groove and a second guiding groove. The first and second guiding grooves are formed on the frame main body for accommodating the first and second moving components. The linking component includes a rotating element, a first connection portion and a second connection portion. The first and second connection portions are disposed on a surface of the rotating element and connected to the first and second moving components.

Abstract: A rotation angle detection device that detects a rotation angle of a valve body. The rotation angle detection device includes a shaft, a gear, a magnetic field generator, and a magnetic detection element. The shaft is connected to the valve body. The magnetic field generator is arranged on a gear side and generates a magnetic field. The magnetic detection element is arranged on an extension of the shaft and detects magnetic flux density of the magnetic field that rotates together with the gear.

Abstract: A system for detecting a wave occurring in/on a membrane includes a source for directing an excitation signal obliquely to the membrane and a receiver for measuring interference between a first part of the excitation signal reflected off a front surface of the membrane and a second part of the excitation signal reflected off a rear surface of the membrane. The system includes a processing device for detecting the wave based on a change in the measured interference. The detection of the wave is based on changes caused by the wave in the optical length of a V-shaped part of a propagation path of the second part of the excitation signal, where the V-shaped part of the propagation path is inside the membrane.

Abstract: A hiding value of a coating on a coated surface is assessed by assessing a reflectance of a multiplicity of pixels of an optically scanned image of the coated surface, and, based at least in part on the reflectance of each pixel of the multiplicity of pixels, assessing a hiding value of the coating on the coated surface.

Abstract: Described herein is a detector for determining a position of at least one object. The detector includes: at least one dichroic filter; at least one optical sensor; and at least one evaluation device. Also described herein are a method for determining a position of the at least one object and a method of using the detector.

Abstract: A coke drum measurement system includes a first target coupled to an upper aspect of a coke drum and a second target arranged generally perpendicular to the first target. A first optical measurement device is arranged to visualize the first target and measure a distance between the first optical measurement device and the first target. A second optical measurement device is arranged to visualize the second target and measure a distance between the second optical measurement device and the second target. A processor is electrically coupled to the first optical measurement device and the second optical measurement device. The processor receives signals from the first optical measurement device and the second optical measurement device corresponding to movement of the coke drum. The processor aggregates signals received from the first optical measurement device and the second optical measurement device to determine a total movement of the coke drum.

Abstract: Disclosed herein is a method for depth-profiling of samples including a target region including a lateral structural feature. The method includes obtaining measured signals of the sample and analyzing thereof to obtain a depth-dependence of at least one parameter characterizing the lateral structural feature. The measured signals are obtained by repeatedly: projecting a pump pulse on the sample, thereby producing an acoustic pulse propagating within the target region; Brillouin-scattering a probe pulse off the acoustic pulse within the target region; and detecting a scattered component of the probe pulse to obtain a measured signal. In each repetition the respective probe pulse is scattered off the acoustic pulse at a respective depth within the target region, thereby probing the target region at a plurality of depths.

Abstract: A laser projection unit, a depth camera, and an electronic device are provided. The laser projection unit includes a housing and a diffraction element. The housing includes a first sub-housing and a second sub-housing. The first sub-housing includes a top face coupled to the second sub-housing. The second sub-housing includes a side face, and the side face and the top face cooperatively form a stepped face and define a first notch. The diffraction element is mounted in the second sub-housing.

Abstract: A measurement apparatus, comprising: a projection apparatus configured to project a predetermined pattern on a subject; and an image capturing system configured to capture a group of images from at least two different viewpoints, wherein the distance between the viewpoints is shorter than the distances between the projection apparatus and the viewpoints, the measurement apparatus further comprising: relative position calculation means for obtaining a relative position of the projection apparatus relative to at least one of the viewpoints from pattern image positions on the group of images and a positional relationship between the viewpoints, wherein distance information regarding the subject is acquired from the relative position and a pattern image position on an image at the viewpoint.

Abstract: A method for sampling wheel acceleration, a method for determining rotation angular position of a wheel, and a tire pressure monitoring system are disclosed. The method for sampling wheel acceleration may include: acquiring a real-time wheel acceleration value of a target wheel and calculating a time length required to rotate for a preset number of revolutions of the target wheel according to a first association relationship between the wheel acceleration and the time length required to rotate for the preset number of revolutions of the target wheel; obtaining a time interval between any two adjacent sampling points according to the time length required to rotate for the preset number of revolutions; and sampling the wheel acceleration of the target wheel once every the time interval starting from any time.

Abstract: A level, such as a digital level, with various features or embodiments, such as an ultrasonically welded lens covering a display screen, a pipe insert molded in front of a light sensor, one or more button assemblies, and cartridge assemblies that are used to secure compartments within the frame of a level.

Abstract: Disclosed is a multifunctional level gauge for applying a nano adhesive tape for convenient and quick positioning. The multifunctional level gauge comprises a level ruler (1) with a hollow profile, wherein a transverse level (2) and a vertical level (3) are respectively arranged on the level ruler (1), at least two nano adhesive tapes (4) for convenient and quick positioning are pasted and fixed to a left side surface of the level ruler (1), and an adhesive tape positioning structure is arranged below the nano adhesive tapes (4); and an angle measurement device (5) capable of performing 360-degree omnidirectional measurement and a swing-type offset measurement structure for cooperatively observing whether an intersection plane is inclined are arranged at an upper end portion of the level ruler (1), and the swing-type offset measurement structure comprises a swing connection rod (6), a counterweight cone (7) and an alignment pointer (8).

Abstract: A cavity optomechanical vibratory gyroscope pertains to technical fields of resonant optical gyroscopes and micro-optical-electro-mechanical systems. A novel cavity optomechnical Coriolis vibratory micro gyroscope is realized based on ring micro rings and the Coriolis vibration principle, and driving and detection thereof is completely different from conventional electric or magnetic means. Based on the principle of angular velocity sensitive structures in the conventional Coriolis vibratory gyroscopes, full-optical driving, detecting and sensing of a vibratory gyroscope are achieved using cavity optomechnical technologies, which fundamentally suppresses various noises (including thermal noise, cross interference, connection point noise and quadrature error) introduced by electric or magnetic driving. Besides, displacement (vibration) sensing information is obtained according to a linear relationship between frequency shift and light amplitude in the micro cavity optomechnical effect.