A method and apparatus for annealing cylindrical cases for ammunition cartridges or other tubular casings is provided. In one embodiment, a case annealing apparatus is provided. The case annealing apparatus includes a base, a feeding device having a first end tapering to a second end that is coupled to the base, a rotatable feed wheel assembly disposed adjacent a second end of the feeding device, a linear slide mechanism disposed adjacent the rotatable feed wheel assembly defining a portion of a case receiving region, and a heating device disposed adjacent the case receiving region, the heating device operable to heat a portion of a case retained in the case receiving region.

A method is provided for producing a large-calibre explosive projectile having a projectile casing with an ogival front part, which surrounds an internal area filled with a plastic-bonded explosive charge and, at a nose end, has a mouth closed by a nose fuze, wherein an elastic liner is arranged between the explosive charge and the inner wall of the projectile casing. The projectile casing is produced in two parts, such that, in the direction of the longitudinal axis of the projectile casing, a tail-end projectile casing section and an annular front projectile casing section, which contains the mouth, can be connected to one another in the area of the ogival front part, via a screw connection. The liner is introduced into the tail-end projectile casing section and the explosive charge is introduced into the liner before the two projectile casing sections are connected to one another.

Techniques for determining whether a cellular device is suspect, i.e., perhaps serving as an activator for a device such as a bomb. One way of doing this with cellular telephones that are in the idle state is to use a baiting beacon to bait and automatically call all the cellular telephones in an area that are in the idle state. If the call to a given cellular telephone is not answered by a human voice, the cellular telephone is suspect. Another way of doing this with cellular telephones that are in the traffic state is to use surgical analysis to examine the DTX pattern for the telephone. If it indicates persistent silence, the cellular telephone is suspect. The surgical analysis may also be used to trace the DTX pattern back to another telephone that is controlling the suspect cellular device.

The invention relates to a combustible sleeve for accommodating propellant charge powder, to munitions designed using such a sleeve, and to a production method for such sleeves. The sleeve according to the invention is designed for accommodating propellant charge powder and has a jacket wall made of combustible felted fibrous material and an inlay of intersecting threads in the jacket wall. The threads are disposed therein at a distance from one another such that felted fibrous material reaches through the regions between the threads. The method comprises the following steps: preparing a jacket wall made of combustible felted fibrous material and inserting an inlay made of intersecting threads into the jacket wall. The threads are disposed therein at a distance from one another such that the felted fibrous material extends through the regions between the threads.

A method, device and system for metering powder material from a powder material source by a metering device connected to the source. The device is charged from the source with a batch of powder material in a charging configuration. The batch is discharged from the device in a discharging configuration. The source is connected with a metering piston space in the charging configuration via a first channel of a fixed metering channel hub. The volume of the space is controlled between a metering piston and a hub peripheral surface by controlling the piston position in the space, to charge the volume with material by gravity. The metering space is turned around the hub, to the charging configuration. The volume filled with material is enclosed until reaching the discharging configuration. The metering piston space is connected with a discharge opening via a second channel of the hub for discharging the material.

A method of making a liner for a shaped charge or an explosively formed projectile may include making a liner substrate using a 3D additive manufacturing process. At least a portion of the surface of the liner substrate may be surface finished. The surface finished portion may be electroplated with a metal to form a multi-layer liner.

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.

A multi-petal adapter that enables projectiles of different sizes to be used in a single dearmer. The adapter includes a plurality of petals that are secured, in a detachable way, to a base. The main function of the base is to secure the petals until the projectile is fired from the dearmer. Whereupon, the adapter will start petalling until the petals become detached from the base, so that the adapter imparts minimal or no energy or damage to the intended target. The adapter fully regulates the energy imparted to the various projectiles, by allowing propellant gases to bleed through channels that are formed between the petals. As a result, the present adapter fully supports a proper projectile launch and ensures its proper orientation toward the target.

An explosive cartridge comprising: an explosive composition;a deactivating agent that is capable of desensitising the explosive composition; anda barrier element that prevents contact between the explosive composition and the deactivating agent and that is adapted to be at least partially removed on use of the explosive cartridge.

A method for providing permanently colored steel shot for shot shells through anodizing and shells manufactured utilizing the shot.

The present invention provides a method for explosively destroying munitions in an overpacked container within a sealed detonation chamber, utilizing a plurality of specially shaped linear-shaped charges and/or a combination of special linear-shaped charges in conjunction with an explosively formed projectile, resulting in penetrating both the side wall of the overpacked container and the side wall of the projectile.

Disclosed is a system for detonating a buried explosive device by discharging an electric discharge with at least five joules of energy to detonate the buried explosive device.

A hand operated press for reloading metal rifle cartridges including indicating means for providing for an operator of the press discrete indications of the different forces that can be manually applied through the drive mechanism during use of the press to crimp the second end of a cartridge against a bullet in the cartridge to allow the operator to use one of those indications to manually apply the same force to form essentially the same degree of crimp of the second ends of identical cartridges against identical bullets in the cartridges.

A cartridge retention tool may be used for restraining a spent cartridge during primer pocket cleaning. The tool may have jaws that may be sized to approximately fit the cartridge and secure it from moving during the cleaning process. The tool may employ mechanical leverage to reduce the amount of force required to restrain the cartridge within the jaws.

The present invention is directed to a mobile platform for the delivery of bulk explosives to a blast hole. One embodiment of the platform provides the ability to obtain weight information relating to the contents of a tank that is associated with the platform and that, in operation, contains either the bulk explosive or a constituent of the explosive. The platform comprises a vehicle with a frame, a tank, a load cell structure for connecting the frame and the tank and providing weight data relating to the contents of the tank, and a suspension system that prevents relative movement of the frame and the tank that could compromise the load cell structure. Another embodiment of the platform provides a tank for holding an explosive composition and a rotary shaft that supports a mixing blade that mixes the explosive composition within the tank. The platform further comprises bearing structure for supporting the rotary shaft that is located to deter any of the explosive composition from entering the bearing. A further embodiment of the platform comprises a conduit structure for discharging a bulk explosive into a blast hole that includes a substantially rigid tube with an outlet port for discharging a bulk explosive into the blast hole. The tube is adapted to rotate about a vertical axis such that the outlet port can be moved towards and away from the vehicle along an arc of less than 180°. In one embodiment, the outlet port can be positioned substantially adjacent to an operator's station to allow an operator to readily view the loading of the explosive into the blast hole.

The invention provides methods for producing varying sizes and types of small firearm cartridge cases using earlier produced cartridge cases as work stock. The preexisting cartridge cases are subjected to a number of machining operations to obtain the desired different sizes and/or types of cartridge cases. The invention considerably shortens the production cycle and substantially decreases the costs of production versus the conventional method of manufacturing new cartridge cases.

An improved cartridge case completely produced net shape on a progressive cold former that includes a trim to lengthy station with an internal shearing tool.

The invention relates to a method and apparatus for the delaboration of ammunition, in particular shells having a housing with a tubular housing portion made of steel and open at one end, a cone made of ductile metal and fitted into the tubular housing portion, the cone having a base with a tubular rim, and an explosive charge contained between the housing and the cone. The method comprises a) inserting an extraction tool through the open end into the tubular housing portion for extracting the cone, b) axially compressing the tubular rim of the cone between the extraction tool and the explosive charge, c) deforming a portion of the tubular rim into a form fit with the extraction tool, d) withdrawing the extraction tool from the housing portion, and e) at least partially withdrawing the cone from the housing portion together with the extraction tool.

A method of making an ammunition article and associated ammunition article is provided. The ammunition article is interchangeable with standard ammunition articles and to operate in standard chambers of standard weapons systems and of the type having a casing including a sidewall that defines a casing volume within. The method includes determining a desired propellant charge volume for a given ammunition article, determining a thickness of the casing sidewall such that the casing volume substantially corresponds to the desired propellant charge volume, and forming the casing having the determined thickness.

A heat exchanger includes a core and a pair of end tanks attached to the end of the core. Each end tank extends over an outermost peripheral end of the core such that the core extends into a chamber defined by the end tank. The end tank is welded to the core at the outer surface of the core and a lower end surface of the tank.

An active/passive system for managing the temperature of fluid within an automatic transmission includes two heat exchangers, an active solenoid valve and a passive wax motor valve. A first heat exchanger provides transmission fluid heating and receives a flow of engine coolant. A second heat exchanger provides transmission fluid cooling and is exposed to ambient air. The solenoid valve which is preferably driven by a signal from a transmission control module (TCM) and the wax motor valve cooperate to provide three states of operation: transmission fluid heating, that is, heat added, cooling, that is, heat removed and pass-through or bypass (without heating or cooling).

A cooling apparatus for an electronics rack is provided which includes a door assembly configured to couple to an air inlet side of the electronics rack. The door assembly includes: one or more airflow openings facilitating passage of airflow through the door assembly and into the electronics rack; one or more air-to-coolant heat exchangers disposed so that airflow through the airflow opening(s) passes across the heat exchanger(s), which is configured to extract heat from airflow passing thereacross; and one or more airflow redistributors disposed in a direction of airflow through the airflow opening(s) downstream of, and at least partially aligned to, the heat exchanger(s). The airflow redistributor(s) facilitates redistribution of the airflow passing across the air-to-liquid heat exchanger(s) to a desired airflow pattern at the air inlet side of the electronics rack, such as a uniform airflow distribution across the air inlet side of the rack.

A method is provided which includes providing a cooling apparatus for an electronics rack which includes a door assembly configured to couple to an air inlet side of the electronics rack. The door assembly includes: one or more airflow openings facilitating passage of airflow through the door assembly and into the electronics rack; one or more air-to-coolant heat exchangers disposed so that airflow through the airflow opening(s) passes across the heat exchanger(s), which is configured to extract heat from airflow passing thereacross; and one or more airflow redistributors disposed in a direction of airflow through the airflow opening(s) downstream of, and at least partially aligned to, the heat exchanger(s). The airflow redistributor(s) facilitates redistribution of the airflow passing across the air-to-liquid heat exchanger(s) to a desired airflow pattern at the air inlet side of the electronics rack, such as a uniform airflow distribution across the air inlet side of the rack.

A supplementary intercooler cools engine air after it has passed through the turbocharger of a vehicle's turbocharged internal combustion engine, but before it enters the engine. The unit has an inlet for capturing the turbo's air charge and an outlet for routing the air charge to the engine after passing through the intercooler. A container stores water until it is needed and a water pump transfers water from the container to the unit. This loosened bond of water is then sprayed on capacitor plates under turbo pressure to be converted into hydrogen and injected into the air intake stream making it a totally “hydrogen-on-demand” intercooler.

A radial-flow plate heat exchanger (5) embedded in the catalytic bed of an isothermal chemical reactor (1) has heat exchange plates (10) comprising fluid passages (13) between a first metal sheet (20) and a second metal sheet (21) joined by perimeter weld seams (23) on a first surface (A) of the plate, a feeding channel (14) and a collecting channel (15) for the heat exchange fluid are formed with suitable metal sheets which are seam welded (25) directly to the opposite surface (B) of the plate, this structure allows the manufacturing of the plate (10) with an automated seam welding process, such as laser beam welding.

Disclosed herein is a heat dissipation system for a power module, including: first cooling medium flow parts and second cooling medium flow parts allowing cooling media to flow in first and second directions, respectively.

Embodiments for a charge air cooler are provided. In one example, an engine method comprises increasing intake air flow velocity through a charge air cooler in response to an estimated condensation formation value within the charge air cooler. In this way, condensation accumulation within the charge air cooler may be prevented.

An apparatus and method for minimizing cold spots on plates of a plate-type fluid-to-fluid heat exchanger averages the plate temperature at a hot-fluid exit plane of the heat exchanger. The heat exchanger matrix is constructed to internally vary the flow patterns of opposing hot and cold fluid streams so that the heat transfer coefficient values of one or both fluid streams, designated as h, are optimized so the hot fluid value is a greater value than that of a cold fluid value. Plate variable flow structures are arranged in a manner that allows higher velocity hot fluid flow and possible lower velocity cold fluid flow in areas where the plate temperatures are coolest and the opposite configuration where plate temperatures are hottest.

A regenerative burner device for a furnace and a method of removing contaminants from such a device. The burner device includes a burner for introducing heat and waste gas into a furnace during ignition when supplied with fuel and a combustion gas, a media bed comprising refractory particles, and ducting for delivering combustion gas to said burner during ignition, and for drawing waste gas from said furnace on termination of ignition. The ducting causes the combustion gas and the waste gas to pass in succession through the media bed. Means are provided for periodically delivering a rapid flow of a decontaminating gas into said media bed. The rapid flow is of sufficient force to dislodge contaminants collected in the media bed from said waste gas.

An apparatus for passively cooling electronics. The apparatus for passively cooling electronics includes at least one heat pipe and at least one heat sink thermally coupled to a bridge plate. When a cradle is thermally coupled to the at least one heat pipe, the at least one heat sink draws heat from the cradle.

Dehumidifying cooling apparatus and method are provided for an electronics rack. The apparatus includes an air-to-liquid heat exchanger disposed at an air inlet or outlet side of the rack and positioned for air passing through the electronics rack to pass across the heat exchanger. The heat exchanger is in fluid communication with a coolant loop for passing coolant therethrough at a temperature below a dew point temperature of the air passing across the heat exchanger so that air passing across the heat exchanger is dehumidified and cooled. A condensate collector, disposed below the heat exchanger, collects liquid condensate from the dehumidifying of air passing through the electronics rack, wherein the heat exchanger includes a plurality of sloped surfaces configured to facilitate drainage of liquid condensate from the heat exchanger to the condensate collector.

The present disclosure provides an apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbent, which comprises an inlet passage for receiving air from outside; a dehumidifying part comprising porous organic-inorganic hybrid materials as an adsorbent for removing moisture from the air receiving through the inlet passage; a regenerating unit for regenerating the adsorbent of the dehumidifying part; and an outlet passage for discharging the dehumidified air to outside. Said apparatus preferably comprises two dehumidifying parts of two-bed switching type and two switch valves, wherein said two dehumidifying parts are alternatively operated for dehumidification and for regeneration by switching said switch valves to convert direction of air flow.

A finned tube includes channels defined between adjacent fins on the tube body outer surface. Wings extend from side walls of the adjacent fins between the fin top and the fin base such that the wings form a barrier which splits the channel into an upper channel and a lower channel. A plurality of holes penetrate the barrier where the wings meet, so liquids and gases can pass into and out of the enclosed area defined by the lower channel. The wings can include alternating upper wings and lower wings, and there can be depressions formed in the fin top.

A semiconductor substrate for use in an integrated circuit, the semiconductor substrate including a channel defined on a surface of the substrate. The channel includes a first wall, a second wall, and a third wall. The first wall is recessed from the surface. The second wall extends from the surface to the first wall. The third wall extends from the surface to the first wall and faces the second wall across the channel. At least one of the second wall and the third wall includes a plurality of structures projecting into the channel from the second wall or the third wall.

A silicon-based thermal energy transfer apparatus that aids dissipation of thermal energy from a heat-generating device, such as an edge-emitting laser diode, is provided. In one aspect, the apparatus comprises a silicon-based base portion having a first primary surface and a silicon-based support structure. The silicon-based support structure includes a mounting end and a distal end opposite the mounting end with the mounting end received by the base portion such that the support structure extends from the first primary surface of the base portion. The support structure includes a recess defined therein to receive the edge-emitting laser diode. The support structure further includes a slit connecting the distal end and the recess to expose at least a portion of a light-emitting edge of the edge-emitting laser diode when the edge-emitting laser diode is received in the support structure.

Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; and wherein the composition is sintered. Disclosed herein too is a method comprising blending a powdered composition that comprises iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; compacting and sintering the composition.

A nickel base repair alloy comprises a blend of about 40 to 60 wt % of a first nickel based braze alloy containing boron, about 15 to 35 wt % of a first nickel based filler material, and the remainder consisting of a blend of a second nickel based filler material and a low melting eutectic braze nickel based alloy.

A process for producing pig iron or liquid primary steel products is provided. Charge materials containing iron ore and, if appropriate, additions are reduced in at least one reduction unit by means of a reducing gas, and at least parts thereof are smelted in a smelting unit, with coal being added and with formation of the reducing gas. Reducing gas from the smelting unit and/or top gas from the reduction unit are/is subjected to cleaning. The process water obtained during the wet cleaning is degassed and in the process volatile organic compounds are removed from the process water.

An exemplary embodiment of the invention is a method for making silver nanoparticles, and includes steps of reacting a silver salt with a phosphene amino acid to make silver nanoparticles. Exemplary phosphene amino acids include trimers, with a particular example being a trimeric amino acid conjugate containing one phosphene group. In an exemplary method of the invention, the silver nanoparticles may be produced in timer periods of less than about 30 minutes, and at temperatures of less than about 40° C. Other methods of the invention are directed to methods for stabilizing silver nanoparticles.

A pump for pumping molten metal and delivering flux includes a refractory base that can be submerged in molten metal including an impeller chamber, an inlet and an outlet. A refractory shaft sleeve has upper and lower end portions and is fastened to the base at the lower end portion. A motor is disposed near the upper end portion of the shaft sleeve. A refractory shaft extends in the shaft sleeve and is connected to the motor near the upper end portion of the shaft sleeve. A refractory impeller is connected to the shaft and is rotatable in the impeller chamber. A flux feeding device feeds flux into the shaft sleeve. Also featured is a method for delivering flux in the shaft sleeve of the pump and a method for cleaning flux accretions in the shaft sleeve.

Articles containing a matrix material and plurality of copper nanoparticles in the matrix material that have been at least partially fused together are described. The copper nanoparticles are less than about 20 nm in size. Copper nanoparticles of this size become fused together at temperatures and pressures that are much lower than that of bulk copper. In general, the fusion temperatures decrease with increasing applied pressure and lowering of the size of the copper nanoparticles. The size of the copper nanoparticles can be varied by adjusting reaction conditions including, for example, surfactant systems, addition rates, and temperatures. Copper nanoparticles that have been at least partially fused together can form a thermally conductive percolation pathway in the matrix material.

A method of generating hydrogen gas from the reaction of stabilized aluminum nanoparticles with water is provided. The stabilized aluminum nanoparticles are synthesized from decomposition of an alane precursor in the presence of a catalyst and an organic passivation agent, and exhibit stability in air and solvents but are reactive with water. The reaction of the aluminum nanoparticles with water produces a hydrogen yield of at least 85%.

The present invention relates to a process for the recycling of steel industry iron bearing by-products into a shape suitable for feeding into a direct reduction furnace, comprising the steps of mixing and grinding 50 to 99 wt % of ore and pellet fines and 1 to 50 wt % of slurry, mill scale and/or bag house dust, pelletizing the mixture and indurating the pellets so obtained by heating for 5-60 minutes at a temperature in the range of 1100-1350° C.; and a pellet produced from Iron bearing waste material and having compression strength of at least 2.8 kN and/or a drop number of at least 3.

A method for leaching copper and molybdenum from an ore, residue and/or concentrate containing such, in which more than 1% w/w of the total molybdenum is present as a sulfide and in which more than 1% w/w of the total copper is present as an oxide, the method comprising the steps of: exposing the ore, residue and/or concentrate to an aqueous solution of chlorine (I)-based oxidizing species of a pH of at least 3.0; oxidizing the molybdenum by the chlorine-based oxidizing species thereby providing a treated ore, residue and/or concentrate and a reduced aqueous solution of chlorine-based oxidizing species; leaching the treated ore, residue and/or concentrate by exposing the treated ore, residue and/or concentrate to an aqueous ammoniacal ammonium carbonate solution to form a pregnant leach solution containing both copper and molybdenum; and passing the pregnant leach solution containing both copper and molybdenum to a means for metal recovery.

The invention relates to a composition for synthesizing bimetallic nanoparticles, wherein the composition contains a first organometallic precursor and a second organometallic precursor having different decomposition rates and contained within an ionic liquid solution. The invention also relates to a method for synthesizing bimetallic nanoparticles, in which the composition is transformed under a hydrogen gas pressure between 0.1 and 10 MPa at a temperature between 0 and 150° C. until a suspension of bimetallic nanoparticles is obtained. The resulting nanoparticles are useful in diverse fields including the fields of catalysis and microelectronics.

The present invention provides a process for recovering valuable metals from precious metal smelting slag, comprising: smelting the precious metal smelting slag and a flux in a top-blown rotary furnace to produce a lead-bismuth alloy, wherein the precious metal smelting slag comprises Au, Ag, Bi and Pb; electrolyzing the lead-bismuth alloy at a current density ranging from 60 to 110 A/m2 to obtain lead cathode and lead anode slime; refining the lead anode slime to produce bismuth and silver-zinc crust, and extracting gold and silver separately from the silver-zinc crust. Through utilizing a top-blown rotary furnace as the smelting apparatus and adjusting the ratio of the flux, the present invention enriches the valuable metals gold, silver, bismuth, lead or the like to lead-bismuth alloy, ensures lower contents of gold, silver, bismuth and lead in the reducing slag and thereby increases the comprehensive recovery rates of gold, silver, bismuth and lead from the precious metal smelting slag.

An iron-based sintered alloy of the present invention is an iron-based sintered alloy, which is completed by sintering a powder compact made by press forming a raw material powder composed of Fe mainly, and is such that: when the entirety is taken as 100% by mass, carbon is 0.1-1.0% by mass; Mn is 0.01-1.5% by mass; the sum of the Mn and Si is 0.02-3.5% by mass; and the major balance is Fe. It was found out that, by means of an adequate amount of Mn and Si, iron-based sintered alloys are strengthened and additionally a good dimensional stability is demonstrated. As a result, it is possible to suppress or obsolete the employment of Cu or Ni, which has been believed to be essential virtually, the recyclability of iron-based sintered alloys can be enhanced, and further their cost reduction can be intended.

A cored wire for introducing additive into a bath of liquid steel, of the type comprising a metal sheath surrounding said additive, characterized in that said additive predominantly comprises calcium silicate. A process for manufacturing a resulfurized steel, characterized in that it comprises a step of introducing, into the bath of liquid steel, such a cored wire.

Methods of forming metal matrix nanocomposites are provided. The methods include the steps of introducing a master metal matrix nanocomposite into a molten metal at a temperature above the melting temperature of the master metal matrix nanocomposite, allowing at least a portion of the master metal matrix nanocomposite to mix with the molten metal and, then, solidifying the molten metal to provide a second metal matrix nanocomposite.

The invention is directed to a process and apparatus for recovering metals from bottom ash from incineration plants, such as municipal waste incineration plants. The process includes directing a feed containing ash into an oxidizing unit, wherein at least part of the metals is oxidized in the presence of one or more acids and at least one oxygen donor, thus producing a stream comprising metal ions. From this stream the metals of interest are selected and converted into metallic form.