Abstract: A refrigeration system for condensation of carbon dioxide (CO2) in a flue gas stream, the system includes a refrigeration circuit, a flue gas treatment system that includes a flue gas compressor, a flue gas adsorption drier, and a refrigeration system for condensation of CO2; and a method for condensation of CO2 in a flue gas stream using a circulating stream of an external refrigerant.

Abstract: The invention provides systems and methods for separating ethane and heavier hydrocarbons from a natural gas stream. In aspects of the invention, an adsorption unit is integrated with a cryogenic gas processing plant in order to overcome methane recovery limitations by sending the tail gas from the adsorption unit to the cryogenic gas processing plant to recover methane that would otherwise be lost.

Abstract: Exhaust gas from which impurities have been removed through pressurization and cooling by a compressor-based impurity separation mechanism is further cooled by a refrigerator-type heat exchanger. Drain produced from the cooling by the refrigerator-type heat exchanger is discharged and supplied as an alkalinity control agent to at least upstream of an aftercooler in a first impurity separator.

Abstract: An oven may facilitate heating, curing, and/or drying processes for manufactured items, such as shoe parts, using multiple groups of infrared sources. Each group of infrared sources may comprise a plurality of sources having heating parameters, such as a peak wavelength, power, distance from items to be cured, number of infrared sources, etc. By staging different types of sources throughout an oven, different aspects of the curing process may be performed in an efficient fashion. Further, conditions within the oven such as temperature and relative humidity may be monitored and adjusted to optimize curing conditions.

Abstract: A freeze dryer processes bulk powder products. The freeze dryer freezes the product by mixing an atomized spray of product with sterile liquid nitrogen. The resultant powder is freeze dried in a vessel, and the vessel contents is agitated to maintain product contact with heated vessel wall and to prevent agglomeration.

Abstract: A system and process is provided to deplete or remove moisture from wood coring in boats by piercing 20 a fiberglass outer skin; forming 30 bores or holes 200 in wood coring to form an exposed portion; processing ambient air 35 to create processed air; pumping or displacing 40 processed air into the bores or holes 200; penetrating 50 an exposed portion 80; with a sealant 100; and filling 60 the exposed portion 80 with a sealant 100.

Abstract: Systems and methods are presented for efficient heating during production of corundum. One embodiment takes the form of a system for processing corundum including a first furnace and a second furnace. The first and second furnaces are sequentially arranged and heat from the first furnace is subsequently used to heat the second furnace.

Abstract: A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel.

Abstract: An evaporative cooling system includes an indirect cooling coil containing a cooling fluid to be circulated and a blower assembly configured to generate an inlet air stream through the indirect cooling coil. The cooling fluid in the indirect cooling coil is a slurry of water and phase change material.

Abstract: A fluid heating apparatus may comprise a fluid pumping assembly configured to increase a pressure characteristic of the fluid between the fluid inlet and fluid outlet, and a heating assembly configured to heat the fluid between the fluid inlet and the fluid outlet. The heating assembly may define a first portion of a gas path such that exhaust gases from combustion in the heating assembly enter the gas path. The apparatus may also comprise a heat recovery assembly configured to recover heat from the exhaust gases and transfer recovered heat to fluid moving through the fluid path. The heat recovery assembly may define a second portion of the gas path in fluid communication with the first portion of the gas path. An exhaust gas movement device may be configured to pull exhaust gases through the first and second portions of the gas path to the gas movement device.

Abstract: Thermal ground planes, thermal ground plane structures, and methods of thermal energy management, are disclosed. Embodiments of the disclosure provide for thermal ground planes and/or thermal ground plane structures for both fully passive and active two-phase heat spreaders, as well as the cooling devices and thermal management methods enabled by these planes and/or structures that enable heat dissipation from one or more high heat flux domains followed by spreading the heat laterally over a large area achieving essentially the spatially isothermal plane, structure, system, or device.

Abstract: A method for forming features in an exterior surface of a heat transfer tube includes forming a plurality of channels into the surface, where the channels are substantially parallel to one another and extend at a first angle to a longitudinal axis to the tube. A plurality of cuts are then made into the surface substantially parallel to one another and extend at a second angle to a longitudinal axis to the tube different from the first angle. Individual fin segments extend from the surface and are separated from one another by the channels and the cuts. The fin segments have a first channel-adjacent edge adjacent substantially parallel to the channel, a first cut-adjacent edge substantially parallel to the cut, and a corner formed by a second channel-adjacent edge and a second cut-adjacent edge. A tube formed using this method can be used as a condenser tube.

Abstract: Wave fins which are disposed inside a heat exchanger housing of a heat exchanger in order to cause a turbulent flow of fluid through direct contact with the fluid. The wave fins include a plurality of hills, a plurality of valleys and a plurality of sidewalls. The hills and valleys are connected to each other via the plurality of sidewalls. The sidewalls partition fluid passages between the hills and the valleys through which fluid passes. The hills, the valleys and the sidewalls form main waveforms that extend in a longitudinal direction so as to be waved in a first radius of curvature. One or more bent portions are formed on intermediate portions of the main waveforms, the bent portions being connected to remaining portions of the main waveforms so as to be bent at a second radius of curvature.

Abstract: A room perimeter heating/cooling radiator with a non symmetrical elliptical transverse cross section, that utilizes low to medium temperature heat transfer fluid (generally water or water/glycol) in a new design with an enhanced ‘primary only’ heat transfer surface having an internal spiral or helix to circulate the water around the inside of the primary surface to enhance the heat transfer, and an internal conduit that provides both freeze damage protection and the ability to cross connect multiple identical radiators for increased efficiency. The primary intended location is within inches of the building windows.

Abstract: A cooling device has an elastic fixing member for fixing a valve which is cooperating with a compressor and disposed in a compressor room of a heat insulated body. The cooling device includes a bearing bracket for fixing the valve in the compressor room. The uniform elastic fixing member has at least one rear directional fixing extension for insertion into at least one locking hole of the bearing bracket, at least one fixing extension formed opposite the rear directional fixing extension for insertion into at least one hole on the valve, and an insulator section for reclining the valve.

Abstract: A dry heat exchanger coil having a plurality of straight inner tubes connected by a plurality of return bends. The return bends are located outside of the air flow passing over the coil. The inner tubes are situated within a corresponding outer or “safety” tube. The outer tubes do not contain and are not connected to return bends, but the ends of the outer tubes are located outside of the air flow path. Leaks in the inner tubes are captured by the outer tubes and the leaking fluid will flow in the space between the inner and outer tubes, flow out the end of the outer tube, to be captured in a drip pan at the bottom of the coil housing. Leaks occurring in the return bends will also be captured in drip pan.

Abstract: The invention relates to various ways in which to integrate control valves into the structure of a heat exchanger. Accordingly, there is provided a heat exchanger assembly comprising a heat exchanger and a valve integration unit. The heat exchanger includes a plurality of alternating first and second fluid passages in heat exchange relation, and at least one inlet manifold and one outlet manifold interconnected by one of the plurality of first or second fluid passages, the valve integration unit being fixedly attached to heat exchanger and comprising a fluid passage in fluid communication with at least one of the inlet and outlet manifolds. A valve mechanism is mounted within the valve integration unit in fluid communication with the fluid passage, the valve mechanism controlling the flow of a heat exchange fluid through said fluid passage.

Abstract: The firearm comprises a firearm frame, a barrel sleeve mounted in a rotatable manner on the firearm frame, and at least one rotation pin which extends between the firearm frame and the barrel sleeve to guide the sleeve around a rotation axis. The rotation pin and the firearm frame, or said pin and the barrel sleeve, lie in abutment with each other by means of complementary sliding surfaces, at least one sliding surface being borne by a wear component connected in a releasable manner to the rotation pin, to the firearm frame and/or to the barrel sleeve. The invention also relates to a kit for a firearm.

Abstract: A short-length, belt fed machine gun for convenient use includes: (A) a receiver having a length in the range of about 17.75 inches to about 20.3 inches, (B) a barrel assembly, and (C) a gas cycling assembly. A gas port of the barrel assembly has a width of between about 0.063 inches and 0.200 inches. The distance between a center of the gas port and the breach of the barrel is between about 7.605 inches and about 9.395 inches. The gas cycling assembly features a unique polymer kinetic energy dampener assembly located longitudinally rearward of the operating rod, which is useful in achieving a desired cycle rate of the gun (e.g., about 600 rounds per minute (RPM)) and in minimizing muzzle climb. A unique mounting bushing selectively, removably mounts to the gas cylinder in order to achieve a shortened gun with many of the advantages of conventional longer weapons.

Abstract: A universal firearm-mounted receiving apparatus adapted to receive an ejected casing from a firearm (FIG. 1). The apparatus has an arm with a mounting piece disposed at one end and a receptacle for shell casings disposed at the other end (opposite to) mounting piece. The arm further contains one or more hinges that allow(s) at least a portion of the arm to move independently of another portion, thereby making the arm and receptacle positionable for a variety of different firearms.

Abstract: A weapon magazine accessory includes a floor plate member mountable on a bottom portion of a magazine, and a clip element which attaches to the floor plate member, the clip element including a keeper element.

Abstract: A follower for a firearm magazine and a method are disclosed. The follower platform is shaped to support a cartridge and has a top surface, a bottom surface opposing the top surface. The top surface defines at least one plane. A normal of the bottom surface defines a vertical axis of the follower. The front end has an interior surface and an exterior surface for engaging a magazine body. The rear end has an interior surface and an exterior surface for engaging the magazine body. A spacer is positioned on the platform. The bottom surface, the front end, and the rear end define a spring receiving space. The spring receiving space is shaped to limit an upper portion of the spring to vertical compression when the upper portion of the spring is compressed into the spring receiving space.

Abstract: A collapsible pistol features enhanced safety, ease of use, and improved performance as compared to prior designs. The pistol is easily reconfigured from an open, ready-to-fire position to a closed or collapsed position that makes the pistol quite compact, safe, and readily concealable. The overall design of the pistol is such that the manipulation of the pistol into and out of the open, ready-to-fire position can be accomplished with a user having relatively small hands and/or relatively low grip strength.

Abstract: The present disclosure provides a firearm monitoring and notification apparatus to allow users to monitor a firearm without interfering with the accessibility to the firearm. The firearm monitoring and notification apparatus mitigates common risks surrounding unauthorized access and tampering through deterrence and notification strategies.

Abstract: A firearm and a jig for modifying or constructing a firearm with a locking magazine release button is provided. The firearm has a lower receiver including a magazine locking pin aperture disposed in an upper surface thereof where the magazine locking aperture intersects with a magazine release button aperture in a side surface of the lower receiver. The firearm also has an upper receiver attached to the lower receiver via a pivot pin, a magazine attachable to the lower receiver, a magazine locking pin inserted into the magazine locking pin aperture, and a magazine release button comprising a recessed locking catch. The magazine release button releases the magazine when the upper receiver is away from the lower and the pin is not in the magazine locking aperture. The button is inoperable when the upper receiver is next to the lower receiver and the pin engages the locking catch.

Abstract: Electromagnetic force holds a reciprocatively movable bolt in a charged position in resistance to compressive force from a bolt actuating spring, while generating recoil impacts that simulate firing rounds of ammunition from an ammunition belt in imitation machine gun. Terminating the electromagnetic force allows the compressive force from the actuating spring to move the bolt from the charged position after simulating the firing of the last round from the ammunition belt.

Abstract: Apparatus, systems, and methods for the maintenance, repair, modification, cleaning, disassembly, and reassembly of firearms and firearm components are disclosed. Particular embodiments include tools to aid in the removal and insertion of an extractor pin from the bolt assembly of an AR-15 or M-16 rifle. Preferred embodiments are directed to bolt assemblies for .223 and .308 imperial caliber firearms, as well as 5.56 and 7.62 metric caliber firearms. The tools include a housing with a channel to receive the bolt, a channel to insert a locking rod to orient and secure the bolt in the housing, a channel for inserting a removal rod to remove the extractor pin from the bolt or an inserting rod to insert the extractor pin into the bolt.

Abstract: A multi-draw weight archery bow with cable timing includes a shooting bow and a timing-draw device. The shooting bow includes a riser, a barrel, a first limb, a second limb, a first cam, a second cam, a bowstring, a first cable and a second cable. A rotational timing-draw device includes a rotational timing housing and a rotational timing hub. The rotational timing housing is mounted in a limb. A cable is secured to the rotational timing hub and the rotational timing hub is secured to the rotational timing housing. A multi-position draw weight and rotation device includes a multi-position and rotational draw timing hub and the rotational timing housing. The end of a cable is secured to one of four positions on the multi-position and rotation draw timing hub. A multi-position draw weight device includes a multi-position adjustable draw weight plate and a timing housing.

Abstract: A trigger release for archery includes a thumb assist that enables the thumb of the archer holding the release to apply force assisting in drawing and holding the bowstring under tension.

Abstract: The present invention provides an adapter apparatus and method for attaching a holster having at least one belt loop to a surface of another article. The adapter includes a flexible sheet having first and second surfaces. The sheet also has a longitudinally extending central panel with opposite ends. The width of the central panel is sized to pass through a holster belt loop. There is an end panel at each end of the central panel. The end panels have a transverse width greater than the width of the central panel. There are fastener components on the second surface corresponding to a complementary fastener component on a surface of another article. At least one end panel is foldable to a width for passage through the belt loop and then unfolded such that the fastener components will secure the sheet and holster to the surface of the other article.

Abstract: A scope having a plurality of range-dependent, point-of-impact indicators (aim points), and methods for use of that scope. Such aim points are superimposed on the user's field of view of a conventional scope. A preferred embodiment may be coupled to a conventional scope. Embodiments include an auxiliary light projector that presents at least one aim point disposed in a user's field of view, and the aim point(s) is/are adjustable for elevation and windage. Aim points may also be adjusted in size, color, shape, and intensity.

Abstract: A sighting device includes a body, a light emitting unit, a bracket, a first adjusting unit and a second adjusting unit. The body couples to an arm having a barrel. The body is disposed relative to the arm in a first direction defined on an up and down axis. A third direction is defined as a direction of the barrel on a front and back axis. A second direction is defined as a left and right axis. The bracket couples to the light emitting unit. The first adjusting unit couples the bracket to the body and moves the bracket relative to the body. The second adjusting unit couples the bracket to the body and moves the bracket relative to the body.

Abstract: The optic attachment for a firearm scope mounts onto the ocular lens end of a scope. The optic attachment for a firearm scope provides a flip-up cap that exposes an corrective lens in the optical path through the scope when the flip-up cap is open and protects the lens at the ocular end of the scope when the flip-up cap is closed. The corrective lens may improve the vision of the shooter, either by providing prescriptive correction or by providing magnification. The flip-up cap may comprise a mirror that can be used in emergency survival situations as a signaling device. An information chart, such as a ballistics chart, may be applied to the mirror and may be removed when use of the mirror is required. The corrective lens may be used as a fire starter by focusing solar rays.

Abstract: A firearm system includes a firearm and a computer. Electronics in the firearm determine data that includes a pathway between different points of aim of the firearm as the firearm moves. The computer receives this data and builds an image of the pathway between the different points of aim of the firearm.

Abstract: The invention relates to a bulletproof glass pane for use in a motor vehicle having a plurality of panes and layers of glass, ceramics or plastics connected two-dimensionally to each other in layers to form a composite, and having an edge reinforcement that extends at the periphery of the bulletproof glass pane, wherein the edge reinforcement comprises at least two or more reinforcing elements that are in loose mutual engagement.

Abstract: A protective wall for use in a structure such as a ship comprises a first and second metal layer, with an armor plate in between and layers of elastomeric material between the armor plate and the first and second metal layer respectively. The first and second metal layer having a higher ductility than the armor plate, the armor plate being mounted between the first and second metal layer in a way that allows the first and second metal layers to stretch relative to armor steel plate at least in response to forces resulting from impact by fragments from an explosion. When an explosion occurs in a space bounded by the protective wall, the first and second metal layer deflect under the pressure pulses due to blasts, stretching relative to the armor plate. The armor plate blocks high speed fragments.

Abstract: The present invention relates to a device and method for providing immediate additional ballistic resistant portable personal protection for first responders, such as Police, Fire, EMS, and military personnel, during an emergency event. The device, configured for insertion into either the driver or passenger interior floor of an emergency vehicle is comprised of a molded shell with layers comprising a ballistic resistant layer that both provides vehicle floor matting and fits seamlessly into the contours of the emergency vehicle foot well and interior floor. For easy removal and immediate use as a directional portable personal protection device, handles are provided on the shell such that the handles do not interfere with driving.

Abstract: A machine for launching targets, comprising a chassis on which a support is mounted. A barrel is rotatably mounted about an axis of rotation, the barrel comprising a plurality of columns for storing stacked targets. The columns each have an axis parallel to the axis of rotation. The chassis comprises a surface for receiving targets for a launch, the support comprising a hole configured to allow the passage of a target from a column of the barrel to the receiving surface. The support comprises a first locking position with respect to the chassis and at least a second locking position with respect to the chassis, the first position and the second position having an angular offset along the axis of rotation.

Abstract: An igniter assembly for which an igniter and a conductive igniter collar are integrated via an insulating layer, wherein the igniter comprises a metal eyelet, a metal cover that retains the eyelet therein, an ignition charge that is disposed in the cover and in a space in contact with an end face of the eyelet, a heating body that is connected to the end face of the eyelet, and a conductive pin that passes through the insulating layer and is electrically connected to the heating body. The other end of the conductive pin is exposed from the insulating layer so that a current supplying circuit is connected. An IC tag is disposed in the insulating layer and near the conductive pin. The IC tag has an IC chip and a coil antenna that is wound around the IC chip.

Abstract: A crossbow discharge bolt for preventing damage to a crossbow associated with dry firing. The crossbow discharge bolt has a length of 10 inches or less and a weight of at least 330 grains. The length may be in the range of 6 to 10 inches. The weight may be in the range of 330 to 600 grains.

Abstract: Designs and methods are provided for a retractable broadhead blade. In one exemplary embodiment the broadhead blade is configured to be received in a slot in a broadhead body, and moveable between a retracted or in-flight position, and a deployed or target penetrating position. The broadhead blade includes a front end that faces substantially forward when the blade is in the retracted position, a distal end opposite the front end, an outward facing sharpened leading edge between the front end of the blade and the distal end, and an inward facing trailing edge opposite the leading edge. The blade further includes an integral spring member with a contact surface configured to bear against a blade locating portion of a broadhead body when the blade is in the retracted, or in-flight position.

Abstract: A broadhead is provided including a ferrule defining a slot. A blade is movable within the slot from a retracted mode to a deployed mode. The blade includes a lever arm projecting from the slot on a ferrule side opposite a cutting edge. The blade can include an interference projection that engages an exterior of the ferrule to retain the blade in the retracted mode. The blade can include a retention arm that selectively engages the ferrule to hold the blade in the retracted mode or the deployed mode. The broadhead can include a collar selectively disposed in a collar recess of the blade to hold the blade in the retracted mode. The broadhead can include a plunger and/or pivotable pawl that selectively engage the blade to hold it in a desired mode.

Abstract: An apparatus and method for guiding a cannon shell accurately are disclosed. The apparatus includes two main parts adapted to be installed on the leading end of the cannon shell. The front main part of the apparatus is equipped with at least one pair of fins and is rotatable with respect to the rear main part. The pair of fins is controlled to hold the front main part substantially stable with respect to an external reference frame when the cannon shell rotates as it flies towards its target. Control system is comprised within the apparatus that receives location signals and is adapted to provide guiding control commands to the cannon shell via the fins so as to guide the shell accurately to its preprogrammed target. The control system is adapted to activate the detonation chain of the shell according to preprogrammed mode.

Abstract: A hemostatic bullet projectile is for discharge from a firearm and for use as a weapon. The ammunition is a bullet in a cartridge. The bullet projectile includes, and is distinguished by, the use of at least one potentially biological active substance delivered to a bullet wound of a target and serving as a hemostatic agent to promote blood clotting and/or control hemorrhage in the bullet would to stabilize the target until surgery can be performed. Methods are included to promote blood clotting and/or control hemorrhage in at least one bullet wound by delivery of a hemostatic agent by the bullet projectile causing the wound as well as minimizing the risk of embolism from the hemostatic bullet projectile.

Abstract: A packaging for hollow charges for use in blasting applications in boreholes retains fragments in the event of unintentional ignition of the hollow charges. The packaging withstands and dissipates the pressure generated. It is proposed that the hollow charges are embedded in a solid material which captures the fragments, the solid material has pressure relief openings through which the pressure generated during a detonation of the hollow charges can escape, the solid material is covered with shock-absorbing material on the top side and on the base side of the packaging, the hollow charges are packed in pairs such that there are always two hollow charges situated with their openings facing each other, the axes of symmetry of the hollow charges are arranged in a plane perpendicular to the top side and base side, and the solid material is inserted with the hollow charges and the shock-absorbing material into a cage.

Abstract: A solution for evaluating a component of a vehicle, such as a brake pad of a rail vehicle, is provided. An imaging component can acquire image data for a target area of the vehicle within which at least a portion of the component is visible. The target area can be illuminated by an illumination device that is, for example, horizontally offset from the imaging device to highlight the three-dimensional structure in the target area by creating shadows in the image data. A set of points corresponding to the component can be identified in the image data using the shadows. A measurement for at least one attribute of the component can be calculated from the set of points.

Abstract: A detector to measure the displacement of relatively moveable bodies along an axis comprising: a resonant electrical intermediate device further comprising an inductor, whose width varies along the displacement axis, and a capacitor in electrical series which co-operates with an antenna comprising transmit and receive windings whose mutual inductance varies according to the position of the electrical intermediate device relative to the antenna.

Abstract: A probehead of an NMR-MAS apparatus with a rotation axis (RA), which lies in an xz-plane, titled by an angle ?>0 relative to a z-axis. The angle ? is adjusted by tilting around a tilt axis (DA) parallel to the y-axis relative to a target angle ?target. An angle measurement apparatus (9) has a first sensor element (7), which, together with a second sensor element (8) generates sensor signals dependent on the amplitude B0 of the static magnetic field and the vectorial orientation between the magnetic field B0 and a sensitivity vector. Two sensitivity vectors have an angle 5°<?i<175° to the z-axis and an angle ?>10° to each other. The angle between the rotation axis and the z-axis can be measured precisely and reliably over a large range, providing a feedback signal for regulated adjustment or tracking of the angle ?.

Abstract: An interferometer apparatus comprising: a short coherence length or broadband light source; a light director to direct light from the light source along a measurement path to a surface of a sample and also along a reference path to a reference surface; a wavelength disperser to cause wavelength dispersion of light along one of the measurement and the reference paths; a combiner to cause light from the sample surface and light from the reference surface to produce an interference pattern or interferogram; a detect—or to detect intensity values of the interference pattern as a function of wavelength; and a determiner to determine from the detected intensity values the wavelength at which the measurement and reference paths are balanced, wherein the wavelength disperser is at least one of: a grating wavelength disperser, a prism wavelength disperser, and an optical dispersive medium.

Abstract: A multi-function spectroscopic device includes a first lens installed in an emission direction of parallel light and focusing the light in a center portion thereof, a second lens disposed to face the first lens and, a reference mirror installed to face the second lens, a beam splitter installed between the first lens and the second lens, a third lens focusing light which moves through the beam splitter onto a measurement object, a fourth lens focusing light which is reflected by the measurement object and reversely moves through the third lens and the beam splitter, a fifth lens converting light which is diffused through a second focus of the fourth lens into parallel light, and a diffraction grating obliquely disposed with respect to a light axis of the fifth lens and diffracting parallel light which moves through the fifth lens and split the parallel light.