Abstract: A support structure for heat dissipation unit includes at least one main body and an oxide coating. Multiple grooves are formed on an outer circumference of the main body. The oxide coating is coated on the outer circumference of the main body and the surfaces of the grooves. The sintered powder body can be replaced with the support structure with the directional oxide coating coated on the outer circumference of the main body and the surfaces of the grooves to greatly speed the vapor-liquid circulation of the working fluid in the chamber of the heat dissipation unit so as to enhance the heat dissipation performance.

Abstract: The present disclosure provides a heat exchanger for a power system. The heat exchanger includes a housing. The housing includes a first side and a second side. The second side is configured to be received in a receptacle of a power system enclosure. The heat exchanger includes at-least one heat exchange tube supported between one or more of side walls of the housing. The heat exchanger includes a screen attached to the second side of the housing. The screen includes at-least one inlet opening for the heat exchange tube, and at-least one outlet opening for the heat exchange tube. The heat exchanger further includes a flange attached to the first side of the housing wherein the flange is configured to be removably attached to an outer surface around the receptacle of the power system enclosure.

Abstract: A heat exchanger having a collection tank having an internal chamber and a header connected to the collection tank and receiving a number of flat tubes through apertures in the header. A reinforcing member received within the collection tank and/or the header functions to reinforce the header and/or the collection tank in applications where these elements are subject to internal pressures that would otherwise deform the header and/or collection tank to an unacceptable extent. The heat exchanger may include a curved gasket on each flat tube to match the shape of the flat tubes and a curved header. Also, another gasket can be located between a metal or plastic collection tank and a plastic or metal header, respectively, to prevent leakage therebetween.

Abstract: A component for a steel pickling apparatus is formed from an alloy that predominately comprises niobium and tantalum. The component may be a heat exchanger component, such as a tube or tubesheet liner, formed from the alloy that predominately comprises niobium and tantalum. Also, disclosed is a heat exchanger including the component, a system and method for pickling using the heat exchanger, and a method of manufacturing a steel product including the method of pickling.

Abstract: A heat exchange fill apparatus for use with a cooling tower that employs a support frame assembly. The heat exchange fill apparatus has a media fill pack that includes a of fill pack media modules wherein a stake, prevents the modules from shifting with respect to one another. The modules are installed in a cooling tower of the like via a hanging fill support.

Abstract: A follower for a firearm magazine is disclosed, with a platform that may support a cartridge and has a top surface defining a plane and a bottom surface. The front end may be coupled to a front portion of the platform and engage a spring and a magazine body. The interior surface of the front end may be substantially perpendicular to the bottom surface of the platform and form an obtuse angle with the plane of the platform. The rear end may be coupled to a rear portion of the platform and engage the spring and the magazine body. The interior surface of the rear end may be perpendicular to the bottom surface of the platform and form an acute angle with the plane of the platform. The front end may extend further below the platform than does the rear end.

Abstract: A barrel for a semiautomatic firearm operating under the short recoil system has one or more cam followers projecting outwardly to engage one or more cams positioned on an inner surface of a slide surrounding the barrel. Interaction between the cams and the cam followers controls the angle between the longitudinal axis of the barrel and the axis of motion of the slide to prevent the breech end of the barrel from moving too far as the barrel tilts as it unlocks from the slide, ensuring that the extractor will engage the rim of a spent casing and extract it from the chamber during recoil.

Abstract: A monolithic noise suppression device comprising a monolithic, integral baffle housing module. The module comprising, in turn, at least no welded joints or seams between the various components that make up the core of the module and no welded joints or seams between the core, or any structures that make up the core, and the various interior surfaces and/or structures that make up the body of the module. The module is preferably plastic and manufactured using a layered printing process. The monolithic, integral baffle housing module may include various other features that enhance performance, reduce manufacturing cost, facilitate customization and eliminate restrictions on disposability as compared to conventional noise suppression devices. The monolithic noise suppression device may further comprise a first stage noise suppression device to be used in conjunction with the monolithic, integral baffle housing module.

Abstract: A shooting aid for removable attachment to a weapon allows the weapon to rest upon another surface for more accurate shooting.

Abstract: Firearms and handguards for firearms having three pivotably attached pods wherein a first pod is deployable as a monopod and second and third pods are deployable together as a bipod, or having at least one pivotable pod having at least one hinge pin, at least one locking pin, and at least one return spring that biases the at least one locking pin. In some embodiments, a return spring, a slide spindle, a locking spindle, or a combination thereof, push two locking pins, for example, into opposite detents when the pod is pivoted into a deployed position, and the pod can be released by moving a slide button and secured in a stowed position with a catch. In certain embodiments, the monopod is pivotably attached to the handguard aft of where the bipod is pivotably attached to the handguard. In particular embodiments, the firearm is an AR-15 or an M-16.

Abstract: An assembly for preventing gas leaks in a bolt carrier group of a firearm is disclosed. The assembly may include a bolt carrier with a gas hole, a bolt carrier gas key attachable to the bolt carrier about the gas hole, a groove disposed on the bolt carrier about the gas hole, and a seal disposed within the groove.

Abstract: An apparatus is for a scope assembly having a front scope section and a back scope section, and a firearm including a mounting rail having a front rail section and a back rail section. The apparatus includes a front scope guard frame configured to guard, at least in part, the front scope section of the scope assembly. A back scope guard frame is configured to guard, at least in part, the back scope section of the scope assembly. The front scope guard frame and the back scope guard frame are selectively positionable and movable, independently of each other, relative to the mounting rail. The front scope guard frame and the back scope guard frame are configured to selectively affix, independently of each other, once the front scope guard frame and the back scope guard frame are positioned just so.

Abstract: A draw extending archery system enables a user to draw a draw string multiple times to store energy. Embodiments of the system include a transmission that operatively engages the draw string and a flexible limb. From an initial rest position, the user initiates a charging stroke on the draw string. During a first charging stroke, the transmission engages to store energy during the draw. At the end of the charging stroke, the transmission engages to prevent release of stored energy. The transmission also disengages the draw string to enable a subsequent charging stroke from an intermediate rest position. From a final rest position, the user initiates a firing stroke on the draw string. At the end of the firing stroke, the transmission couples the draw string and the flexible limb to release stored energy through the draw string.

Abstract: A combination for a firearm which creates an improved firearm. An upper chassis is created which is formed from a first housing and a second housing which, once independently formed, are permanently secured to each other. The upper chassis provides a first opening through which a spent cartridge is discharged and a second opening which permits a variety of attachments to be selectively attached to the upper chassis to customize the firearm to the user and activity.

Abstract: A method and system for an inductively powering rail on a firearm to power accessories such as: telescopic sights, tactical sights, laser sighting modules, and night vision scopes. This is achieved by having primary and secondary electromagnets (U-Cores) on both the inductively powering rail and the accessory. Once the electromagnets are in contact, the accessory is able to obtain power through induction via the inductively powering rail. Accessories may be attached to various fixture points on the inductively powering rail and are detected by the firearm when attached and detached. When attached, power and data communications may flow between the accessory and a master CPU located on the firearm. Accessories that are attached to the inductively powering rail and have rechargeable power systems may be recharged via the inductive power rail. Further, accessories that have power that is not needed may be transferred to other accessories.

Abstract: A device for cyclically operating a trigger of a firearm includes biasing means for biasing a finger applied to a trigger away from the trigger, and a contact switch coupled to the biasing means and configured to be disposed between the finger and the trigger. In response to the contact switch detecting contact between the finger and the trigger, the biasing means actuates to cyclically bias the finger away from the trigger.

Abstract: A carry device provides a concealed carry configuration supporting a handgun against at a waistband of an article of clothing by directing a tube into a barrel of the handgun from which a loop extends to loop around an article of clothing, such as a belt, and then provide a loop end which attaches to a rear portion of the handgun thereby providing it in a secure manner until a time to draw or remove the gun arises.

Abstract: A retention system protects the round stored inside a rotating continuous belt-type magazine, and holds the round securely while allowing it to be readily and easily released prior to firing. The retention system permits all the retaining devices to be easily retracted so that a ramming mechanism of the weapon can push the round into the chamber without interference. The gun tube of the automated weapon houses the round and provides interfaces for all other components to attach. The tube length minimizes the axial movement of the round. The round is held within the tube by a front door assembly and a rear door assembly. The door assembly is made of a crescent-shaped door attached to a pivot shaft, in order to minimize the amount of rotational travel required to open the door for loading or firing the round.

Abstract: An unmanned aerial launch vehicle (UAV) launch apparatus is disclosed that includes a UAV (400) having an exterior surface, an aerial vehicle (AV) tab (510) extending from the exterior surface, a tube (440) containing the UAV (400), the tube (440) including a tab stop (515) configured to controllably hinder travel of the AV tab (510) past the tab stop (515), and a pair of opposing tab guides (700, 705) configured to position the AV tab (510) for travel over the tab stop (515).

Abstract: A dot-sighting device includes a light source, a beam splitter and a reflective element. The light source emits light. The beam splitter includes a surface that reflects at least a portion of a first light component of the light and transmits at least a portion of a second light component. The reflective element reflects at least a portion of the first light component reflected by the surface of the beam splitter toward the beam splitter. The light reflected by the reflective element includes the second light component.

Abstract: A method of aligning a point of aim with a point of impact for a projectile device is disclosed. Using at least one superposition device coupled to the projectile device, multiple optical reference points are superposed within a first target area. Positions for at least two of the optical reference points are noted. A projectile is shot from the projectile device at a second target area, while the positions of the at least two optical reference points are maintained, to create the point of impact. The point of aim for the projectile device is adjusted to correspond with the point of impact while the positions of the at least two optical reference points are maintained. A system for aligning a point of aim with a point of impact for a projectile device is also disclosed.

Abstract: A mounting apparatus for mounting an accessory to a weapon is disclosed. In some embodiments, the mounting apparatus includes a base plate having a side member parallel to a longitudinal axis of the base plate. The base plate is configured to be coupled to an under barrel of a firearm. The mounting apparatus further includes one or more opposing side elements. Each side element is detachably coupled to the respective side member of the base plate such that the side element is positioned adjacent to a movable slide mechanism of the firearm while the base plate is coupled to the under barrel. In some embodiments, the mounting apparatus includes an adapter bridge and/or a barrel weight, which, in combination with the side elements, straddles, and avoids interfering with, the movable slide mechanism while the assembly is mounted to the firearm.

Abstract: An armor system, comprising at least two elements, wherein the elements are arranged at an angle, characterized wherein the at least two elements include a plurality of perforations.

Abstract: A target support system is used for supporting a target device for shooting practice. The target support system includes a target support frame, a target connecting mechanism, and a forward barrier. The target support frame is placed onto a target placement area. The target connecting mechanism is arranged on the target support frame and operatively supports a target device on the target support frame. The forward barrier protects the system from impact of a projectile on the system.

Abstract: An oil shaped charge for deeper penetration includes a case, a quantity of explosive material, and a liner. The case is designed with different inner surface sections, where the step inner surface section creates maximum space for the explosive material so that the explosive material can be effectively placed between the case and the liner. A step conical region of the liner, a step conical inner surface of the case, and an effective placement of the explosive material are able to achieve significantly higher speeds for liner materials flow into the jet, thus creating deeper penetration.

Abstract: A lightweight explosive containment device that is used to transport blasting caps, explosive precursors, or homemade explosives. Open cellular foam material within the container diffuses explosive gases and absorbs kinetic energy. An internal clapper tube distributes forces to the ligaments of the cellular foam material and an external support tube contains the explosive fragmentation and blast overpressure. A system of containers with storage capabilities that enable the transportation of a number of lightweight explosive containment devices is presented. An alternate configuration of the present invention utilizes the open cellular foam material to create a directional disruption device. Such a tool prevents explosive gases and fragmentation from causing unnecessary collateral damage to the surroundings or supporting robot.

Abstract: Cartridges for firearms are created with extended flash tubes to ignite the propellant efficiently from base of the projectile to the interior rear of the cartridge case. Some firearms include a specially designed trigger and microphone capable of verifying a user's identity so that only an authorized user can discharge the firearm. Some firearms include a GPS sensor, World Time RF sensor, and stored updatable list of times, GPS coordinates, distances from the GPS coordinates such that the firearm is disabled for use in these restricted areas.

Abstract: One or more techniques and/or systems are disclosed for a nock device that may be used on an arrow. A top portion a nock device can comprise one or more pairs of string guide impression on its top surface, where the respective one or more pairs of string guide impressions may be symmetrically arranged on the top surface, with respect to each other. A first pair of string guide impression can be disposed along a first bisecting line on the top surface, and, if present, a second pair of string guide impressions can be disposed along a second bisecting line on the top surface. The respective one or more pairs of string guide impression can be configured to receive a bowstring, where the first pair may receive the bowstring in a first orientation, and the second pair, if present, may receive the bowstring in a second orientation.

Abstract: A hunting arrow having an arrow shaft with a front end and a back end. The hunting arrow has at least one arrow blade attached to the arrow shaft, and has a closed position and at least one open position. The at least one arrow blade is substantially flush with the arrow shaft when in the closed position, and extends radially outward from the arrow shaft when in an open position. In addition, the hunting arrow has an arrow tip that is attached to the front end of the arrow shaft and is capable of moving longitudinally toward or away from the arrow shaft. The arrow tip is operatively engaged with the at least one arrow blade so that the arrow tip opens and closes the at least one arrow blade by moving relative to the arrow shaft.

Abstract: The present invention is a rear-deploying broadhead with a body that is attachable to an arrow shaft. The body has an inner portion and an outer cylinder, with the inner portion being disposed within the outer cylinder when the broadhead is in a nondeployed position. The inner portion has a solid internal shaft, a head, and an inner cylinder. The internal shaft is disposed in a position forward to the head of the broadhead, and is situated substantially in the center of the inner portion and movable within the inner cylinder in a plunger-like manner. The solid internal shaft terminates within the inner cylinder and is attached proximate its termination to an internal sleeve, and at least two blades are pivotally attached to the internal sleeve. The outer cylinder comprises slots there-through adapted for deployment of blades.

Abstract: A spherical pellet marking round for gas propelled guns, such as airsoft electric guns and gas blow back guns, allows a user or military/law enforcement trainees to actually when they hit their opponent. The marking round is heavier than conventional gas propelled gun rounds, allowing for more reliable breaking on target. The marking round has a hard, brittle shell and is sized for the gun or rifle type. The marking round can include colored marking material, ultraviolet, infrared, forward looking infrared (FLIR) and luminous “glow-in-the-dark” shells for tracer versions. An oversized wedge can be used in production that allows for heavier weighted fill material to be used.

Abstract: The present invention relates to a hot-wire detonator emulator that has the capability of monitoring switching in a simulated, mock, or inert improvised explosive device (IED) powered by direct current. One purpose of the inventive emulator is to function as an energetic witness substitute by replacing the detonator in an actual IED, thus enabling bomb technicians to conduct bench top and field analyses of IEDs, and to assess the effectiveness of render-safe procedures by, for example, illustrating how a detonator would react in a render-safe procedure.

Abstract: A frangible tail boom for a gun-launched projectile includes a tail boom housing having a forward end configured to engage a projectile body and a through bore. The tail boom housing has forward and rear portions. The forward portion has a frusto-conical shape and an outer diameter that decreases from the forward end toward the rear portion. The forward portion includes a circumferential groove extending from the outer surface radially inward toward the small diameter segment of the through bore.

Abstract: A non-lethal projectile having a shear-thinning fluid within an interior cavity. The shear-thinning fluid having a greater apparent viscosity at low shear rates to spin-stabilize the non-lethal projectile during flight and a lower apparent viscosity at a high shear rate corresponding with the shear-thinning fluid shearing against the frangible cap upon the non-lethal projectile striking the target, with the low viscosity of the shear-thinning fluid allowing proper dispersal upon impact with the target. The shear-thinning fluid can comprise a marking media and be in the form of an emulsion with less than about 50% liquid by volume to effectively disperse upon impact with the target.

Abstract: The invention relates to a method of, with a projectile (1) comprising a reactive charge (4), combating an explosive-charged weapon unit (7), preferably an enemy shell, so that undesirable harmful effects on the environment are reduced, wherein the projectile (1) is configured to penetrate the surface (8) of the weapon unit (7) upon impact so that a passage (9) is opened into the explosive (10) of the weapon unit (7), through which passage (9) the reactive charge (4), under the influence of the kinetic energy of the projectile (1), is transferred to the explosive (10) of the weapon unit (7). The method can be deemed to be characterized in that the reactive charge (4), upon contact with the explosive (10) of the weapon unit (7), reacts and starts a hypergolic reaction with the explosive (10). The invention also relates to a projectile (1) for the said method.

Abstract: A projectile includes a head, a tail, and an interface that interconnects the head and tail. Multiple sections of the interface are deformed by being compressed radially inwardly into respective annular recesses formed between the interface and the head and tail during manufacturing or by rifling when the projectile is fired. The amount of deformation is controlled by the depth of each of the annular recesses. In all embodiments, annular ridges formed in the head, the tail, or both, define the longitudinal extent of the annular recesses. The interface includes an annular obturation region and has a beveled open leading end to facilitate insertion of the head and tail into the interface.

Abstract: A rubber fragmentation grenade has a body containing an explosive charge, a fuse assembly connected to the body, an elastomeric outer layer at least partly encompassing the body, and the outer layer being scored to provide a plurality of segments. The segments may be rectangular. Each segment may have a thickness, and may have a width greater than the thickness. The thickness may be at least one-third of the width. The body may include a cylindrical portion, and the outer layer may be a cylindrical sleeve encompassing the cylindrical portion. The segments may include a ring of segments. Each ring may include six segments. The explosive charge may be an elongated shape defining a charge axis and having opposed ends, the elastomeric outer layer being a cylindrical form being concentric with the charge. The elastomeric outer layer may extend beyond the ends of the charge.

Abstract: A plurality of ammunition links form a belt of ammunition by interlocking with a plurality of tapered rounds having average casing diameters between about 0.400 inches and about 0.425 inches. A link includes at least a first resilient member and a second resilient member that extend in substantially opposing directions. A link engages with and provides a compressive force to a first round with the first resilient member and, optionally, a third resilient member. The link engages a second round and applies less or substantially no compressive force with the second resilient member.

Abstract: An electrical energy harvesting device for harvesting electrical energy from a pulsed impact loading event. The device including: a piezoelectric element configured to be loaded and unloaded to a first load level by the pulsed impact loading event; and a first inductor coupled to the piezoelectric element configured to be loaded and unloaded to a second load level by the pulsed impact loading event, wherein the piezoelectric element and the first inductor together operate as a first inductor/capacitor (LC) resonant circuit having a first resonance frequency and wherein the loading of the first inductor lags in time the loading of the piezoelectric element.

Abstract: A pressure switch is provided to arm a munition's fuze mechanism upon launch. The switch operation is based upon extreme gas pressures experienced during launch of the munition. The switch includes a piston contained in a housing. The piston translates due to launch pressures. The piston translation then causes a copper puck component to contact nearby electrical stab pins, to close a circuit. The closed circuit is then used to electrically arm the fuze mechanism.

Abstract: The current invention concerns an apparatus that is an explosive disruption device and a method for its use. The apparatus includes an internal container which holds an explosive charge, an external container which holds the internal container and a screw lid which holds the internal container in place within the external container.

Abstract: An improved tape measure apparatus which includes a catch that is both slidable and rotatable relative to the rule blade in a plane which is perpendicular to the longitudinal axis of the rule blade when the rule blade is extended from the tape casing. In one embodiment the catch can both rotate and slide relative to the rule blade when frictional forces exceed a predefined minimum or are within a predefined range.

Abstract: A contact-terminal apparatus for use in measuring an electrical property of an object includes a first contact-terminal unit made of a conductive material to come in contact with the object, a movable part having a first surface on which the first contact-terminal unit is placed, and a pressure sensor situated beneath a second surface of the movable part, wherein the pressure sensor has a pressure detecting part that is in contact with the second surface of the movable part.

Abstract: Flow valve including a casing containing an electromagnetic assembly for detecting a magnetic field. The electromagnetic assembly is fixed to a pendulum suspended by an articulation from a plate of the casing. The casing contains a liquid for damping the movements of the pendulum. The pendulum includes a surface opposite the articulation which has a spherical cap shape and which extends facing a wall of the casing of complementary shape, defining a space having dimensions suitable for producing a laminar rolling of the damping liquid between them when the pendulum is in motion.

Abstract: Mechanical apparatus includes a base, a moving element, and a hinge, having a first end attached to the moving element. A supporting structure is attached to the base and to the second end of the hinge and has at least a component perpendicular to the hinge so as to translate rotation of the moving element about the hinge into elongation of the component, whereby the moving element rotates about the hinge relative to the base while the supporting structure is deformed as a result of the rotation of the moving element about the hinge. A strain-based rotation sensor is associated with the supporting structure and is configured to provide a signal indicative of the rotation of the moving element responsively to a strain induced due to deformation of the supporting structure as the result of the rotation of the moving element.

Abstract: A sensor system for measuring the thickness of flat material that is moved relative to the sensor system has a first sensor device for measuring the thickness of the flat material and a device for generating an air cushion. The device is disposed in such a way that there is an air cushion between at least one side of the sensor device that faces the flat material, and the flat material, during operation. In the region of the air cushion, the first sensor device includes surface sections having porous material and/or material that is provided with micro-holes.

Abstract: A number of position sensors inductively sense a target's position relative to a number of sensor coils. The target is magnetically coupled with first and second coils so that signals are generated that depend on the relative position of the target and the first and second coils. Substantially all of the target overlaps with loops of the first coil and so that when a first end of the target is adjacent a first loop of the first coil, a second end of the target is adjacent a second loop of the first coil that has an opposite winding direction to that of the first loop. The second coil is arranged relative to the target such that the magnetic coupling between the second coil and the first end of the target is opposite to the magnetic coupling between the second coil and the second end of the target.

Abstract: Embodiments relate to sensor systems and methods for rapidly detecting a direction of rotation. In one embodiment, a sensor system is configured to identify positive and negative peaks of both speed and direction signals and to evaluate a sequential order of the peaks. A direction of rotation can be identified rapidly from the evaluation of the sequential order of peaks.

Abstract: The invention relates to a method and system for determining vehicle wheel alignment, and namely camber angles, total and individual toe and front wheel steering axis caster and steering wheel axle tilt angle, by measuring changes in wheel sensor angles from a predetermined (i.e. control) position. Changes are measured using gyroscopic sensors or angular rate sensors or MEMS angular rate sensors (MEMS gyroscopes).

Abstract: Aspects of the present disclosure relate generally to non-contact coordinate measuring systems, apparatuses, and methods. An apparatus according to the present disclosure can include a laser assembly slidably coupled to a track and configured to emit a first laser beam onto an exterior surface of a component, wherein the track is coupled to a machine for manufacturing the component; a laser encoder configured to detect the first laser beam emitted from the laser assembly and reflected from the exterior surface of the component; and a computer system coupled to the laser encoder and configured to render a geometric profile of the exterior surface of the component based on the first laser beam detected with the laser encoder.