Abstract: A heat exchanger (10) of a heat exchange device used for air cooling cold water units or commercial roof machines, a method for manufacturing the heat exchanger (10), a heat exchange module, a heat exchange device, and a heat source unit. The heat exchanger (10) comprises: a main body portion (ab); a bent portion (cd) with a trapezoid cross section, the bent portion (cd) and the main body portion (ab) being connected and approximately perpendicular to each other; two collecting pipes (11, 12), disposed on two opposite sides of the heat exchanger (10); and multiple heat exchange pipes (13), each extending from one collecting pipe (11) of the two collecting pipes (11, 12) to the other collecting pipe (12) by passing through the main body portion (ab) and the bent portion (cd), wherein a top edge of the bent portion (cd) and a top edge of the main body portion (ab) of the heat exchanger (10) are approximately located at the same height level.

Abstract: A heat exchanger having a primary flow path arranged to contain a first heat exchanging medium. A secondary flow path arranged to contain a secondary heat exchanging medium, wherein the primary flow path surrounds the secondary flow path for exchanging heat between the two paths.

Abstract: A heat transfer process focused for heating or cooling an aggressive liquid employing direct contact through an immiscible fluid film of differing density. The fluid film adheres to a solid wall heat transfer surface purveying both transference of heat therein as well as isolation protection of the heat transfer surface from damage, coating or scaling from the adjacent aggressive liquid.

Abstract: A heat exchanger for transferring heat from a hot gas to a fluid includes two or more corrugated fm structures defining a plurality of hot gas flow channels. Each of the plurality of hot gas flow channels extends in a generally linear first direction. A fluid conduit includes an outer wall at least partially bonded to at least two of the corrugated fin structures. The fluid conduit defines a plurality of sequentially arranged flow passes for the fluid traveling therethrough. Each of the plurality of flow passes directs the fluid in a direction generally perpendicular to the first direction.

Abstract: A heat exchanger includes a plurality of heat transfer tubes (3) and a centrally arranged bypass tube (4), which are held each between a tube plate (5) of a gas inlet chamber (7) and a tube plate (6) of a gas outlet chamber (8) that are connected to a cylindrical jacket. A coolant (11) is introduced into the jacket space (9) enclosing the tubes (3, 4). A control device (16), includes a throttle valve (18) and a drive (19), sets a gas outlet temperature range of the heat exchanger (1). A discharge rate and a discharged quantity of an uncooled process gas stream (14) from the bypass tube is controlled by the throttle valve, at an outlet end (17) of the bypass tube and is adjustable via the control device. The throttle valve is formed of a material resistant to high-temperature corrosion in a temperature range sensitive for high-temperature corrosion.

Abstract: The invention relates to a heat exchanger (1) for exchanging heat between a first and a second fluid, in particular for supplying the combustion engine of a motor vehicle with air, the heat exchanger comprising at least one heat-exchanging nest (5) through which flows the first fluid F1 and a casing (7) in which the heat-exchanging nest (5) is accommodated such that the second fluid F2 can flow therethrough. The heat-exchanging nest (5) comprises plates (23) for the circulation of the first fluid F1, the plates being stacked one on top of the other, at least one of the plates (23) having a rim (29) disposed between the heat-exchanging nest (5) and the casing (7) so as to restrict the second fluid F2 in its flow about the nest.

Abstract: A spacer portion (3) of this heat exchanger (100) includes an outer peripheral portion (3a) circumferentially provided along outer peripheral edges of bonded surfaces (1a) of cores (1) and a gap portion (3b and 3c) provided in a partial region of the circumferential outer peripheral portion, and the gap portion is provided at a position where a temperature gradient on the bonded surfaces of the cores is relatively shallow.

Abstract: A lateral surrounding heat pipe is for contacting a heating element while the heating element has a working surface and a sidewall formed around the working surface. The heat pipe includes a heated section and a cooling section. The heated section has a heated surface, which is flat, for contacting and being attached to the sidewall of the heating element. The cooling section is integrally connected to the heated section and extends from the heating element towards any direction.

Abstract: A metal heat transfer plate and heat pipe mounting structure includes a metal heat transfer plate and heat pipes embedded in the metal heat transfer plate in a flush manner. The metal heat transfer plate and heat pipe mounting method includes the steps of punching mounting slots in a metal heat transfer plate, processing each mounting slot into a respective flanged hole, reversely stamping each flanged hole to form top and bottom protruding flanges around each mounting slot, stamping each bottom protruding flange to create an insertion chamber, and press-fitting a flat heat pipe into each mounting slot and then stamping each top protruding flange into a respective deformed top protruding flange to wrap about one respective heat pipe and to keep each deformed top protruding flange flush with the top surface of the metal heat transfer plate and each heat pipe.

Abstract: A rotary thermal wheel assembly for heat transfer, mass transfer or a combination of heat and mass transfer has a hub, a number of rigid spokes which are connectable to the hub, and a heat and/or mass transferring media pack. The media pack is arranged in the space defined by the hub and the spokes. The hub is a tubular element provided with connection means, and the spokes are connectable to the hub by connection parts which match the correspondingly shaped connection means of the hub.

Abstract: A heat exchanger system, comprising: a storage tank; and heat exchanger apparatus comprising: a heat exchanger; and a plenum structure defining a hollow body comprising a first end that is coupled to the heat exchanger, and a second end remote from the first end; a mounting arrangement to mount the heat exchanger apparatus within the tank in an orientation wherein the heat exchanger is disposed in substantially a horizontal condition, whereas the plenum structure is disposed in substantially a vertical condition.

Abstract: A heat exchanger includes a spine fin strip wrapped onto a conduit in a helical pattern. A first plurality of spine fins of the spine fin strip extends from a base of the spine fin strip, and a second plurality of spine fins of the spine fin strip is bent relative to the spine fins of the first plurality of spine fins. A related method for forming a heat exchanger is also provided.

Abstract: The present invention relates to a single pipe collector for a heat pump installation. The collector comprises a pipe (12) intended for installation in a heat pump plant, in which pipe a heat transfer liquid circulates in a closed cycle for conveyance of heat that is absorbed from a heat source to a heat pump and return of the heat transfer liquid back to the heat source. The inward surface (14) of the pipe has an uneven surface structure that comprises indentations and/or elevations (16). The present invention also relates to heat pump plant comprising the collector.

Abstract: A surface cooler includes a plate-like layer and a plurality of spaced-apart fins extending substantially perpendicular from an uppermost layer of the plate-like layer. The plurality of fins defining a plurality of air flow paths. The plurality of spaced-apart fins are configured to augment heat transfer of the surface cooler by increasing the turbulence levels of a fluid flowing through the airflow paths by promoting increased mixing with a resulting increase in the heat transfer coefficient of the surface cooler. A method of forming the surface cooler and an engine including the surface cooler.

Abstract: An HVAC refrigerant line connector for a condenser header tank. The connector includes a header tank mating surface having a concave shape configured to mate with a convex outer tank surface of the condenser header tank. An outer surface is opposite to the header tank mating surface. A first through bore is defined by the connector extending between the outer surface and the header tank mating surface. A first channel is defined by the header tank mating surface. The first channel is configured to receive header tank material staked into the first channel to hold the header tank mating surface against the convex outer tank surface prior to the connector being brazed to the header tank.

Abstract: Systems and methods are disclosed that include providing a heating, ventilation, and/or air conditioning (HVAC) system with a spine fin heat exchanger comprising elliptical heat exchanger tubes joined to elliptical feeder tubes extending from the heat exchanger manifold by a crimp joint that is configured such that the heat exchanger tubes are inserted into corresponding feeder tubes. The crimp joint includes at least two O-rings disposed between an outer diameter of each of the heat exchanger tubes and an inner diameter of each of the feeder tubes. The O-rings form a fluid tight seal between the heat exchanger tubes and the feeder tubes. Adhesive is also disposed between the O-rings, and the feeder tube is crimped about the heat exchanger tube and the O-rings to form a reliable fluid tight seal between each heat exchanger tube and corresponding feeder tube.

Abstract: The invention relates to a heat exchanger comprising a housing suitable for enclosing a heat exchange bundle (40), said housing having an opening for receiving said heat exchange bundle (40) inside said housing, said heat exchange bundle (40) comprising a first extremity designed to plug the opening of the housing when the heat exchange bundle (40) is inserted into said housing (30).

Abstract: Coatings for enhancing performance of materials surfaces, methods of producing the coating and coated substrates, and coated condensers are disclosed herein. More particularly, exemplary embodiments provide chemical coating materials useful for coating condenser components.

Abstract: A method for creating a coating onto a conduit is provided. The method includes rotating the conduit while injecting a controlled amount of slurry onto the surface of an inner diameter of the conduit through a nozzle that is retracted from out of the conduit at a controlled speed. The method offers improved reproducibility and repeatability of coating properties in comparison to conventional coating methods.

Abstract: A method for manufacturing a carbon fiber thermal interface, comprises the steps of: electroflocking carbon fibers onto a temporary substrate; coating parylene onto the electroflocked carbon fibers; and removing the temporary substrate. The carbon fiber thermal interface comprises: carbon fibers, wherein exposed areas of the carbon fibers have a layer of a coating agent, and wherein the carbon fibers are coupled together by the coating agent.

Abstract: An installation element for use in cooling technology, in water treatment, or in mass transfer and a method for producing such an element. The installation element is sell supporting and is composed of a plurality of plies which are at least partially spatially structured and which are connected to each other. Adjacent plies form flow paths for a liquid and/or a gaseous medium between the adjacent plies. The installation element has at least some of the plies being composed of an at least three-layer coextruded plastic film, a center layer of the three-layer plastic film being a mechanically supporting layer, and the two outer layers are composed of a plastic having application-specific properties or are layers each having at least one additive which is added to the plastic and which gives application specific properties to the outer layers.

Abstract: A cleaning system for use with a heat exchanger and a fluid pressurizing assembly includes a wand assembly, a pivot assembly, and a movement mechanism having a body and a piston rod moveable relative the body in response to fluid pressurization. The wand assembly includes a wand in fluid communication with the fluid pressurizing assembly, and having a first orifice configured to eject fluid toward the heat exchanger. The wand is supported by the pivot assembly such that the wand is selectively pivotable about a first pivot axis. The movement mechanism connects to the pivot assembly at a second pivot axis offset from the first pivot axis such that selective movement of the piston rod produces pivotal movement of the wand about the first pivot axis.

Abstract: A system is disclosed for cleaning an object, such as a heat exchanger including a bundle of feed-through tubes extending between two end plates. In an embodiment, the system includes a connection body for connecting the system to an object, a holder for holding a cleaning device and a moving system for moving the holder with respect to the connection body in a first direction and a second direction at least having a component perpendicular to the first direction. The moving system includes a rotation motor and a linear motor.

Abstract: A firearm handgrip with integrated safety lock system includes a handgrip having a plurality of connectors, a generally hollow interior space and an aperture, An elongated retractable plate is positioned within the aperture and is connected to a plate alignment unit located within the interior space of the handgrip. The plate transitions between an extended position and a retracted position. In the extended position, the plate physically engages the firearm's integrated safety mechanism to maintain the same in the “safe” position. The system further includes a biometric authentication system, an electromechanical latch and an internal controller.

Abstract: A firing mechanism for a firearm is provided for reducing maximum trigger pull weight attributable to a sear and for reducing trigger pre-travel and over-travel distances. By this, the likelihood of sear flutter phenomena is greatly reduced while also decreasing or maintaining maximum trigger pull weight. Also, hand movement during firing is reduced helping to increase accuracy.

Abstract: A fixture for use with AR15/M16 type firearms is provided herein. The fixture is made up of several parts that when used in conjunction with one another mitigate the transfer of torque from the barrel nut to the firearms receiver during barrel installation. The fixture affords the user a method and apparatus that holds the barrel in alignment with the firearm receiver and secures the barrel against rotational movement during installation of a barrel nut or similar device. The fixture may be configured to work with the legacy AR15/M16 type barrel nut, as well as other designs as disclosed herein.

Abstract: A firearm has a frame, a barrel assembly and a slide assembly which holds a recoil assembly. The slide and recoil assemblies are located above the barrel so that the barrel is situated between the topmost part of the frame and the bottom of the slide assembly. The barrel assembly includes a housing which is covered by the slide assembly and secures one side of the recoil assembly. The barrel assembly can be removably connected to the frame through front and rear mounts that may be secured using removable pins. The barrel assembly can modularly connect with the frame and slide assembly so that different caliber barrels can be interchanged with each other using the same frame and slide assembly. The firearm is operated by the firing system which includes the trigger assembly and linear striker assembly.

Abstract: The present invention regards a line-of-sight apparatus locking arrangement for demountable securing a line-of-sight apparatus to said arrangement, comprising a locking device for locking the apparatus to the arrangement comprises a handle member adapted for attachment to a rotation mechanism coupled to a translation mechanism adapted for, during manoeuvre of the locking device, converting rotational motion into translator motion, a pressing portion of the translation mechanism is provided for abutment against an abutment area of the apparatus. The translation mechanism comprises a resilient member provided for urging said pressing portion against the abutment area.

Abstract: A firearm cleaning device is disclosed herein. The device may include a housing comprising a grip portion, a motor housing portion opposite the grip portion, a neck portion disposed between the grip portion and the motor housing portion, and a slot disposed adjacent to the neck portion between the grip portion and the motor housing portion. The device also may include a motor disposed within the motor housing portion and a battery disposed within the grip portion. The battery may be electrically coupled to the motor. In addition, the device may include a shaft coupled to the motor and extending out of the motor housing portion, a detachable brush attachable to the shaft, and a motor switch disposed about the housing opposite the slot for activating the motor.

Abstract: A torque control system for cocking a crossbow. A cocking mechanism includes a rotating member mounted to the center rail and coupled to a flexible tension member attached to a string carrier. A cocking handle is configured to engage with the rotating member to cock the crossbow. A torque control mechanism limits output torque applied to the rotating member such that rotating the cocking handle after the string carrier is in the retracted position does not move the draw string past the drawn configuration.

Abstract: In some embodiments, an archery bow comprises a riser, a first limb supporting a first rotatable member and a second limb supporting a second rotatable member. First and second cable segments extend between the first rotatable member and the second rotatable member. A cable guard is supported by the riser, which comprises a first roller and a second roller. The first roller is in contact with the first cable segment and the second roller is in contact with the second cable segment. The first roller has a first diameter and the second roller has a second diameter different from the first diameter.

Abstract: A grip for a weapon has a front strap, side panels and a back strap, and the grip includes zones having different textures.

Abstract: A gun frame comprising one or more regions to which a non-lethal (e.g., a flashlight or laser sight) or less-lethal component (e.g., tear gas, pepper spray, or an electrical weapon) may be attached is disclosed. The gun frame may also support a dual-trigger system. A gun comprising the disclosed gun frame with the dual triggering system comprises one trigger which fires a traditional gun's payload, and a second trigger which causes a non-lethal or less-lethal component to fire, while blocking the accidental firing of the traditional payload. Most embodiments of the gun comprising the disclosed frame also have a rechargeable battery, preferably mounted on the gun's magazine, which powers those components requiring electricity.

Abstract: A method of sighting a target includes receiving an initial condition of an optical device. The initial condition includes a size of a ranging element and a range associated with the size of the ranging element. The method further includes receiving a ballistic information and receiving an image from an imaging sensor. At least a portion of the image is displayed on a display. The ranging element is overlaid on the displayed portion of the image. A first zoom input is received to set a first zoom value that corresponds to a first distance from the optical device. The method also includes determining a first projectile position based on the first distance and the ballistic information.

Abstract: Apparatus, methods, and systems provide electromagnetic cloaking and/or translation. In some approaches the electromagnetic cloaking and/or translation is achieved with transformation media. In some approaches the electromagnetic cloaking and/or translation is achieved with metamaterials.

Abstract: The mobile chemical agent delivery system provides a controlled means for employing chemical agents. At least one canister located within the vehicle supplies the chemical agent to a needle through an injector line. The needle mounts to a cap receiver, which in turn mounts to a receiver on the vehicle. During use, the vehicle drives toward a building until the needle passes through a wall, door or window, permitting users in the vehicle to controllably deploy chemical agents into the building. Users can remove and replace exhausted canisters while the vehicle remains in position.

Abstract: This invention is an array of liners in an axilinear shaped charge device, such as a multiple component axilinear fluted linear liner that will be mated to high explosive that is housed in a single common containment body or a circular configuration of a six segment fluted Axilinear liner, which will be mated to high explosive and housed in a single common containment body. This connected liner variation of the Axilinear device can be straight, circular or in a curved spline arrangement, and each component of this novel Linear device can be on the path line of the spline or staggered about the path line, furthermore the orientation of the planer collapse of the fluted wing segments can be other than parallel or tangent to the spline path.

Abstract: A high flow rate inflator intended to be threaded into or onto the threaded neck of a conventional gas cylinder. The inflator comprises a spring-loaded ballasted firing pin that is retained in a cocked position by a tethered trigger pin. Upon firing by pulling on the trigger pin, the firing pin forcibly moves into engagement with a power primer mounted with a power primer holder to ignite the same, whereupon the ignition gases forcibly drives a hollow larger diameter pierce pin mounted within an interior cylinder into the frangible seal of the gas cartridge to cut a large-bore hole therethrough and allow gas escaping from the gas cylinder to flow at a high rate through the inflator into an inflatable device.

Abstract: A color coded ammunition system includes a plurality of ballistic rounds, each having a bullet mass, a casing, a color identifier, and a numerical identifier. For each of the plurality of ballistic rounds, the bullet mass is terminally mounted into the casing with the color identifier being incorporated into the bullet mass and the numerical identifier being visibly disposed about the casing. The color identifier may be coated onto the bullet mass or impregnated into the bullet mass. The numerical identifier corresponds to the color identifier for each of the plurality of rounds, such that the firing order of the plurality of ballistic rounds can be determined. Furthermore, the numerical identifier can be utilized to uniquely match each of the plurality of ballistic rounds to an individual or institution.

Abstract: A method of operating a gas operated automatic or semi-automatic weapon that has a bolt that locks by a partial rotation of the bolt with respect to a bolt carrier, the bolt carrier in communication with a gas port on the barrel of the weapon, the method comprising utilizing the gas pressure from a cartridge received from a port in the barrel to unlock the bolt, and utilizing the expansion of a telescoping cartridge in the chamber to recycle the weapon after the bolt is unlocked. In embodiments the cartridge is a 5.56 mm cartridge. In embodiments, the propellant driving the projectile does not provide enough gas pressure to recycle the weapon and the telescoping cartridge supplements the needed power for recycling sufficient to accomplish the recycling. The invention include the telescoping cartridge providing a projectile with lethal energy and recycle capability for gas operated rifles. The subsonic cartridge may have at least 80 ft lbs of energy and operates subsonically.

Abstract: A shotgun shell has a polymer wad with a forward shot cup portion and a rearward propellant cup, the wad in a casing, shot in the shot cup, propellant in the propellant cup, and a primer. The rearward propellant cup portion having enhanced fin deployment such that the shells are operative with shotguns with no chokes, shotguns with ported chokes, and shotguns with conventional chokes. The forward shot cup portion has axial slits that are sized to preclude shot from passing therethrough while providing sufficient air circulation to provide compaction relief of the shot pack. The enhancement may include gussets on the fins, axially movable disks to engage cam surfaces on the fins and urge them outwardly, and fins that have reduced bending regions compared to prior art wads.

Abstract: A cover assembly is provided, for use with an instrument package having a common aperture. The cover assembly includes an inner cover member and an outer radome member. The inner cover member is substantially transparent to electromagnetic (EM) radiation of at least a first wavelength range. The outer radome member is configured for selectively and reversibly covering the inner cover member and transparent to EM radiation of at least a second wavelength range different from the first wavelength range. The second wavelength range includes a radio frequency (RF) wavelength range. The outer radome member is configured for being mounted in overlying relationship with respect to the common aperture of the instrument package. The outer radome member is configured for being initially in overlying relationship with respect to the inner cover member and for being selectively removed from the overlying relationship with respect to the inner cover member at least during flight conditions.

Abstract: Aspects of the disclosure are directed to manufacturing an insert-molded expanding projectile. Aspects of the disclosure include locating a portion of a projectile body within a converging tip mold, the projectile body including a metal jacket extending from a tail portion to a nose portion and surrounding an interior solid core. The metal jacket and nose portion may be tapered in a forward direction to an annular forward edge defining an opening to an undercut interior cavity. Melted polymer may be injected into the converging tip mold and allowed to cool thereby forming a polymer tip having a main portion forward of the opening and a tip retention portion filling the undercut interior cavity and having a shape corresponding to the undercut interior cavity to retain the polymer tip in place.

Abstract: A method includes absorbing heat generated at a flight vehicle using a heat sink, where the heat sink includes a matrix. The matrix includes a porous structure having multiple pores at least partially filled with one or more phase change materials. The method also includes converting the matrix into an insulator as the one or more phase change materials change state and exit the porous structure due to the absorbed heat. The matrix with the one or more phase change materials could include an alcogel, and the insulator could include an aerogel. The matrix could reside within a pressurized container that includes at least one seal. The at least one seal can fail due to increased pressure within the pressurized container as the heat is absorbed by the heat sink in order to allow the one or more phase change materials to exit the porous structure.

Abstract: An automatic ammunition reloading system includes an actuation assembly in communication with a control system. The actuation assembly is joined to a reloading press by attaching to a control lever of the ammunition press so as to put the reloading press in operative relation with the actuation assembly. The control system receives input from a control lever position sensor to sense an extremity position of the control lever and to determine an actuation distance of the control lever for a full stroke of the reloading press. The control system controls operation of the actuation assembly so as to oscillate the control lever through the actuation distance.

Abstract: A measuring tool for disc brake device brake pad, which includes a base, a first tube, a second tube, a front rod, a measuring rod, and a spring, wherein the first tube is configured at the front end of the base, the first tube is perforated with a sighthole. The second tube is pivoted in the first tube, and a marking is formed on the exterior of the midsection of the second tube. The front rod is configured at the front end of the second tube, and a pivot hole axially penetrates the front end of the front rod. The measuring rod pivotal penetrates the front rod, the second tube, and the first tube. The rear end of the measuring rod is inserted into the center of the front end of the base. A contact pin extends in a curved sideward direction from the front end of the measuring rod, and the contact pin abut against the front end of a protruding portion. The spring is disposed in the interior of the second tube, and the two ends of the spring respectively abut against the front rod and the base.

Abstract: A manual measuring system (an articulated three-dimensional coordinate measuring machine or a gantry three-dimensional coordinate measuring machine) allows a measuring probe to be manually moved while enabling a user to focus on making measurements and allows the user to manually move the measuring probe in order to facilitate and accelerate measurements. The manual measuring system includes a sub-monitor (portable terminal) that is mounted near the tip of the measuring probe. It is possible to display on the sub-monitor a guided route for the measuring probe to a measurement point or to indicate on the sub-monitor that the measuring probe has entered a measurement allowable range or to allow the user to direct by means of the sub-monitor to obtain a measurement value by the measuring probe.

Abstract: The present disclosure provides a mortar bed gauge device, system, and method that create a predetermined mortar bed thickness. The mortar bed gauge device includes a web of extruded polymer monofilaments having indentations on a surface of the web. The mortar bed gauge system includes the web located between a substrate layer and a finish layer. The mortar bed gauge method includes supplying the web, laying the web onto the substrate layer, placing a mortar composition onto the web, and measuring the amount of composition being placed on the web by the thickness of the web.

Abstract: A measurement fixture for a battery cell is provided when the battery cell is connected to an apparatus. The measurement fixture comprises a chamber, a pressure sensor and an expansion sensor. The chamber defines a sealed space for receiving the battery cell. The pressure sensor is mounted to the chamber to sense a change of pressure in the sealed space due to a volume change of the battery cell to calculate pressure in the battery cell and the volume change of the battery cell non-contactly. The expansion sensor is mounted to the chamber to sense a deformation of the battery cell to calculate a correlation between the pressure in the battery cell and the volume change of the battery cell non-contactly.

Abstract: A method and apparatus for center height alignment of a boring bar is disclosed. The apparatus includes a seat member with a bottom and a back, and a digital angle gauge mounted to the seat member. The method includes the steps of: assembling an apparatus comprising a seat member and a digital angle gauge; calibrating the apparatus such that a Display of the digital angle gauge reads zero degrees; and aligning the center height of the boring bar by rotating the boring bar such that the Display of the digital angle gauge reads zero degrees when the apparatus is mounted onto the boring bar.