Abstract: Systems and methods are disclosed that include providing a heating, ventilation, and/or air conditioning (HVAC) system with a temperature sensor validation system that measures the ambient outdoor temperature using a first temperature sensor and the refrigeration coil temperature using a second temperature sensor at a plurality of time intervals following a refrigeration coil defrost procedure. A system controller may implement an algorithm to determine if the first temperature sensor and the second temperature sensor are reliable by comparing the temperature readings from the first temperature sensor and the second temperature sensor taken at the plurality of time intervals following the defrost procedure. The system controller may also implement so-called limp along modes if any temperature sensor is determined unreliable.

Abstract: A refrigerator in which a storage box can be sufficiently drawn by placing a sliding shelf at the bottom of the storage box, and the storage box is easily inserted when it is inserted into inside the storage chamber, and less noise is generated, is provided.

Abstract: Techniques for remotely monitoring the operation of a cargo shipping reefer container configured with a refrigeration system that has installed therewith a control computer coupled with sensors monitoring the operation of the refrigeration system include: collecting a first and second set of observation data comprising a respective first and second sequence of measurement values measured by sensors coupled to the control computer; running a simulation model that receives the first set of observation data as input and outputs simulated values; the simulation model is configured to output the simulated values as estimates of the second set of the observations; computing an indicator value as a function of residual values computed from the difference between the values of the second set of observations and the simulated values; and evaluating the indicator value against a predefined criterion and issuing an alarm signal in case the predefined criterion is exceeded.

Abstract: This device comprises: a compression unit (4) having a plurality of stages, said unit being supplied with gas from the cryogenic tank (2) and delivering gas at an engine supply pressure, a reliquefaction system (20) having an outlet for liquid to the cryogenic tank (2), and an exchanger (10) arranged between the cryogenic tank (2) and the compression unit (4), in order to heat the evaporation gas coming from the tank (2) before it enters the compression unit (4). The evaporation gas coming from the cryogenic tank (2) is heated by gas compressed inside the compression unit (4) to a pressure lower than the engine supply pressure. The reliquefaction system (20) is supplied with gas compressed inside the compression unit (4) to a pressure lower than the supply pressure of the engine.

Abstract: Described herein is a method of and system for fractionating and liquefying a natural gas feed stream. The natural gas is first fractionated in a scrub column. The overhead vapor from the scrub column is cooled, condensed and divided to form a first, a second and at least one further stream of liquefied first overhead. The first stream of liquefied first overhead is returned to the scrub column as a reflux stream. The second stream of liquefied first overhead forms an LNG product. The further stream of liquefied first overhead is used to provide or generate reflux for a de-methanizer column used to fractionate the bottoms liquid from the scrub column.

Abstract: An electrode roll drying device includes a drying oven housing an electrode roll, an outer-side heater configured to heat the electrode roll, an axial-side heater configured to heat the electrode roll, a pressure reducer configured to reduce internal pressure of the drying oven, a sensor configured to detect a temperature of an outermost portion of the electrode roll, and a control unit configured to control operation of the outer-side heater, the axial-side heater, and the pressure reducer. The control unit is configured to operate the outer-side heater and the axial-side heater to heat the electrode roll from the outer-side and winding core side, and, when the temperature of an outermost portion reaches a target temperature, stop operation of the outer-side heater, operate the pressure reducer to reduce the pressure within the drying oven, and carry out the heating by the axial-side heater and the pressure reduction by the pressure reducer.

Abstract: Disclosed is a connection structure that connects a housing to a magnetic annealing furnace that is provided with a fixedly arranged magnet and includes a first drum flange having a cylindrical flange portion. The connection structure includes: a second drum flange that is attached and fixed to the housing and includes a flange portion configured to externally or internally fit the flange portion of the first drum flange thereto; a first sealant that is installed between facing surfaces of the housing and the second drum flange; and a second sealant that is installed between facing surfaces of the first and second drum flanges.

Abstract: This invention provides a method for recycling residual heat and dust in flue gas during reclaimed copper refining that can be used for recycling of high-temperature residual heat and moderate and low-temperature residual heat with high recycling rate, complete dust recycling and low costs.

Abstract: A method for operating a power-compensated fusion furnace that includes a power control system having one switching device per heating element, power measurement circuitry, a master temperature sensor, and a controller. Each switching device is electrically connected to a respective heating element. The controller, in conjunction with the switching devices, is able to individually control the electrical energy flowing to each heating element, thereby controlling the duty cycle of each heating element. The duty cycles are corrected for one or more of variations in the electrical resistance of each heating element and position-dependent variations in furnace cavity temperature.

Abstract: Provided is a floating structure including an upstream flow passage to pass seawater entering through a seawater inlet, a downstream flow passage to pass seawater from the upstream flow passage to guide the seawater to a seawater outlet, a connecting flow passage connecting the upstream flow passage and the downstream flow passage, and a heat exchanger provided in the connecting flow passage, the heat exchanger cooling down a heat source of the plant facility using seawater. The heat exchanger is placed above an inlet position where seawater enters the connecting flow passage from the upstream flow passage and below an outlet position where seawater exits the connecting flow passage into the downstream flow passage.

Abstract: A cooling module includes a first heat exchanger, a second heat exchanger, and a plurality of coupling devices. The first heat exchanger includes a plurality of first brackets. A pair of the first brackets is disposed on each opposing end of the first heat exchanger. The second heat exchanger includes a plurality second brackets. A pair of the second brackets is disposed on each opposing end of the second heat exchanger. Each of the plurality of the coupling devices includes a first opening and a second opening formed therein. One of the coupling devices is positioned on each of the plurality of the first brackets, wherein each of the first brackets is received in one of the first openings of the one of the coupling devices. The second brackets of the second heat exchanger are inserted into respective ones of the second openings of the coupling devices.

Abstract: The present invention relates to a charge air cooler (7) intended to be placed upstream from the combustion cylinders (5), said charge air coming from at least one turbocharger (3) and intended to be supplied to the combustion cylinders (5) of an internal combustion engine, said charge air cooler (7) comprising one inlet container (70) for charge air, one outlet container for charge air and heat-exchange surfaces (72) between the charge air and a second heat-transfer fluid, at least the inlet container (70) and/or the outlet container for charge air comprising a phase change material (15).

Abstract: A bent heat exchange device includes a heat-conducting outer plate, an inner plate, a partition separating an upstream area (23) and a downstream area (24), a fluid inlet, a fluid outlet, a flow guide (27) in the upstream area, a flow guide in the downstream area, the partition being mechanically secured to the inner plate and to the outer plate and including, between the upstream area (23) and the downstream area (24), a sealed partition (29) and a slatted partition (30) having openings for the flow of a heat transfer fluid.

Abstract: A heat exchanger metal matrix has a stack of components in which at least one of the components is bound by an adhesive layer based on an epoxide resin containing a corrosion inhibitor, and the adhesive layer is loaded with 20 to 60% by mass of a heat conductor so that a heat conductivity of the adhesive layer is in a range of 2 to 5 W/m/K. The heat exchanger metal matrix may be applied to corrosive environments, notably marine environments.

Abstract: A heat exchanger includes number of bolted flanges and a number of heat pipes for heating and cooling liquids entering the heat exchanger. One of the bolted flanges connects a plenum housing to a relief valve piping. The relief valve piping remains closed during normal operation of the heat exchanger and opens to maintain pressure when operating pressure of the heat pipes increases above an acceptable level. The heat exchanger also includes a plenum plate, attached to a cold-side housing and the plenum housing, which seals a cold side of the heat exchanger from an upper plenum. The heat exchanger also includes a separation plate, connected to a cold-side housing and the hot-side exit vapor belt, which seals a cold side of the heat exchanger from a hot side of the heat exchanger.

Abstract: A heat sink module and its siphon heat sink includes a transverse pipe member, a tilt pipe member, a first vertical pipe, second vertical pipes, fins, and a working fluid. The tilt pipe member having a low section and a high section is installed at the top of the transverse pipe member. Both ends of the first vertical pipe are coupled and communicated to the transverse pipe member and the low section respectively. Both ends of each second vertical pipe are coupled and communicated to the transverse pipe member and the high section respectively. The transverse pipe member, tilt pipe member, first vertical pipe and second vertical pipes jointly form a return pipeline. Each fin is coupled to the second vertical pipe. The working fluid is filled in the return pipeline. Therefore, the effects of separating gas and liquid channels and improving the heat dissipating efficiency can be achieved.

Abstract: The present application discloses two-phase cooling devices that may include at least three substrates: a metal with a wicking structure, an intermediate substrate and a backplane. A fluid may be contained within the wicking structure and vapor cavity for transporting thermal energy from one region of the thermal ground plane to another region of the thermal ground plane, wherein the fluid may be driven by capillary forces within the wicking structure. The intermediate substrate may form narrow channels within the wicking structure, providing high capillary forces to support large pressure differences between the liquid and vapor phases, while minimizing viscous losses of the liquid flowing in the wicking structure.

Abstract: An apparatus includes a heat pipe with a fluid path. A first part of the fluid path is thermally coupled to a first region of a higher temperature and a second part of the fluid path thermally is coupled to a second region of a lower temperature. A difference between the higher temperature and the lower temperature induces a flow of a magnetic fluid in the fluid path. A switchable magnetic device is magnetically coupled to the fluid path. Activation of the switchable magnetic device reduces the flow of the magnetic fluid in the fluid path, which reduces heat transfer from the first region to the second region.

Abstract: Compressed gas energy storage systems, which include an integrated thermal energy storage component, are provided. The systems include a compression stage, a heat transfer unit, and a gas storage reservoir, serially linked in fluid communication. The system may include one, two, or three compression stages and heat transfer units. Each heat transfer unit may include two or more thermal energy storage stages. Each thermal energy storage stage may include one or more phase change materials. A method of storing compressed gas energy, which includes compressing a gas through a compression stage to produce a compressed gas; passing the compressed gas through a heat transfer unit to produce a heat removed gas; and transferring the heat removed gas to a gas storage reservoir.

Abstract: A heat exchanger (1), an energy recycling system, a fluid distribution manifold and a baffle. The heat exchanger comprising: a first fluid tube (25) through which a first fluid of a first temperature flows; a second fluid tubes (26) through which a second fluid of a second temperature flows; a baffle (22) located in at least one of said tubes for moderating flow of at least one fluid passing therethrough; wherein the heat exchanger (1) is configured for communicating thermal energy between the first fluid and the second fluid.

Abstract: A heat exchanger includes a plurality of first fluid passages configured to receive a first stream and a plurality of second fluid passages each formed between two first fluid passages. Each first fluid passage includes a first plate and a second plate parallel to the first plate. The first plate and second plate are connected by two closure bars. The first fluid passage also includes a fin pack having a plurality of fins connected to the first and second plate, and configured for the first stream to flow around the fins. The fins have a cross-sectional profile that is bowed at non-operational temperatures and is configured to flex under a thermal load without exceeding the tensile or fatigue strength of the fin. Each second fluid passage is configured to receive a second stream and is configured to allow heat to indirectly exchange between the first stream and the second stream.

Abstract: A heat exchanger including a first header and a second header; a plurality of flat pipes, each defining a first end connected with the first header and a second end connected with the second header. The plurality of flat pipes are arranged and spaced apart from each other in axial directions of the first and second headers. Each of a plurality of fins is disposed between adjacent flat pipes. The plurality of fins includes first to third fins, in which the heat exchanger has a bending segment and a straight segment adjacent to the bending segment. The first fin is in the straight segment, the second and third fins are in the bending segment, a width of the second fin is larger than a width of the third fin, and the second and third fins are alternately arranged in the axial directions.

Abstract: A liquid cooling heat sink structure and its cooling circulation system include a thermal conduction module, and a liquid supply module, and the liquid supply module is installed on the thermal conduction module and has a containing space for receiving plural fins of the thermal conduction module, and the liquid supply module has a continuous surrounding peripheral wall oriented in a plurality of directions facing towards the outside of the liquid supply module, and the peripheral wall has two first liquid opening and a second liquid opening, and the two first liquid opening are disposed at positions of the peripheral wall in any two facing directions respectively.

Abstract: A heat exchanger that is constructed with a heat exchanger shell having inlet and outlet plenums and fluid inlet and outlet ports, and a tube sheet construction disposed in the heat exchanger shell. The tube sheet construction includes at least two separate tube sheets and a plurality of tubes that extend between the separate tube sheets. Each tube sheet includes at least two planar tube sheet segments and a interstitial layer disposed between the at least two tube sheet segments, and at least one sensor element supported by each of the interstitial layers. A control monitor controls flow through the shell by a feedback control from the sensor to an inlet control valve and/or a stimulus device excites the media layer. In an alternate embodiment opposed position sensor elements may be provided at opposite sides of the tube sheet construction.

Abstract: A bimetallic tube consisting of at least one tubular element in a first metal resistant to the corrosive and/or erosive action of a process fluid with which it is put in contact, having at least one end, or an area close to an end, externally coated with a layer of a second metal, different from the first and more suitable, with respect to this, for being seal-welded to a support. Tube bundle equipment to be used for thermal exchange operations at high temperatures and pressures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises at least one tube having the above characteristics. Said equipment is particularly used as a heat exchanger and decomposer, for example as a stripper, in the cycle of urea synthesis processes where there are conditions of high pressure, high temperatures, high aggressiveness of the process fluids, and in which the tube bundle consists of at least one tube having the above characteristics.

Abstract: The present invention relates to a device that conditions high entrance velocity, superheated feed gas, which include some high boiling components, for example, asphaltenes and poly-nuclear aromatics that tend to coke upon condensation and exposure to the superheated feed gas temperature. Also included in superheated feed gas are solid catalyst fines, from a single or multiple feed nozzles to a quiescent flow regime for uniform distribution of the gases, to a contact device within the Main Fractionator (MF) column.

Abstract: This method of monitoring and operating a heat exchanger for fuels containing carbon has a process to calculate the Mahalanobis distance on the basis of temperatures in a plurality of locations in the direction of flow in a heat transfer face of a heat exchanger of a heat exchanger for fuels containing carbon, a process to determine the presence of an abnormality on the heat transfer face by way of the Mahalanobis distance, and a process to modify the operating conditions of a removing device.

Abstract: A dual seated by-pass valve is provided for a surface heat exchanger. The valve provides a power element and at least two seats and two poppets which are spring biased and responsive to movement of the power element to open and close pathways to core cooling channels and de-congealing channels.

Abstract: Invention refers to a breech mechanism of a pistol with a barrel which is tilting during the recoil. Barrel (1) ledge (3) at the bottom has long slots (7), placed along its lateral surfaces, which intrude in corresponding guides (8), performed in frame (5), and the front side of the barrel (1) is placed in the slide (4) guiding hole 6. Besides that, barrel (1) ledge (3) has opened transverse slot (9) with radial edges, situated with bottom-upward tilt and close lateral hole (13). In the long slot (9) the roller (10) is placed, which is pressed up by the spring (11), situated at the closed hole (13), closed by the socket (12). On the inner sidewalls of the frame (5) bevels (14) are performed, on which the roller (10) ends are sliding and on the inner sidewalls of the slide (4) cuts (15) are performed, wherein the roller (10) ends intrude, when the slide (4) is on the forward position.

Abstract: A gas system includes a gas block having a gas port for directing propellant gases received from a gas port of a barrel of a firearm into the gas system to cycle an auto loading feature of the firearm. A spring-loaded plunger assembly positioned within the gas block includes a plunger component having a plurality of gas ports and a plunger cap at a forward end, wherein the position of the plunger component within the gas block automatically controls an amount of gas that is allowed to enter the gas system. Mounting a suppressor to the muzzle of the barrel depresses the plunger cap and drives it linearly rearward causing the plunger component to rotate to automatically restrict the volume of propellant gases directed into the gas system through a restricted flow gas port in the plunger component.

Abstract: The present disclosure provides a weapons mounting system, which may include a gun mount that may be used independent of a swing mount or with the swing mount. The gun mount may include a Picatinny rail assembly and be attached to an ammunition container. The swing mount may include a positive locking system and a friction locking system. The present disclosure also provides a travel lock assembly, which partially connects the gun mount to the swing mount. The present disclosure also provides a gun mount adapter assembly capable of mounting at least six different firearms to a machine gun mount.

Abstract: A portable weapon support includes a lower member with a support base and an upstanding post, and an upper member attachable on the upstanding post of the lower member. The upper member includes a weapon rest shaped to support a shooting end of a weapon. The weapon support can stand on a flat surface or can be supported on a tree stand gun rail or the like. The weapon support improves accuracy for sport shooting and hunting activities.

Abstract: In certain arrangements, a balancing yoke is used in a hybrid cam arrangement of an archery bow, in which two cables are paid out from respective tracks or taken up in respective tracks on a cam when the bow is drawn. Aspects of the present disclosure incorporate a balancing yoke which has two leg portions which are symmetrically paid out or taken up in tracks on opposite sides of the cam's central rotational plane and wherein the force applied by a cable is divided and applied by the yoke legs to the cam on opposite sides of the cam's central rotational plane.

Abstract: A pneumatic firearm firing system is utilized to discharge a projectile from a firearm utilizing propulsion provided by a pneumatic propellant. A pressurized projectile retainer is utilized to concentrically hold a projectile under pressure due to a quantity of compressed gas provided from a compressed gas vessel. The quantity of compressed gas is held within a fluid conduit that is engaged into the pressurized projectile retainer. The pressurized projectile retainer is engaged into a front end of a firearm bolt. When a trigger of the firearm is pulled, a flexible collared portion of the pressurized projectile retainer is projected forward from a rigid collared portion of the firearm bolt, releasing the projectile from the pressurized projectile retainer and causing the projectile to be propelled forward due to the propulsion provided by the quantity of compressed gas.

Abstract: Connection device (1) for connecting a cheek rest (2) to rifle stock (3) with at least one internal space (4), whose cheek rest (2) includes at least one first connection bracket (7) and at least one second connection bracket (9) with which the cheek rest (2) may be adjustably connected to at least one bracket which during use is inserted into the internal space of a rifle stock. The bracket is comprised of a locking block (10) which when connecting the cheek rest (2) to the rifle stock (3) is inserted into the internal space (4) and positioned in relation to the inside of the internal space and through holes drilled in the rifle stock's top side and side, and that the cheek rest's connection brackets are temporarily connected to at least one bracket in the locking block (10) by said holes in the stock's top side. The present invention also encompasses a method for utilizing the device.

Abstract: A keymod mount, which is arranged for detachably coupling at a firearm having one or more keymod slots, includes a securing member and a locking member movably extended from the securing member. The securing member includes a mounting body having a top utility surface, and a coupling head downwardly extended from a bottom surface of the mounting body for slidably engaging with a narrow slot portion of the keymod slot to retain said mounting body on a top surface of the keymod slot. The locking member includes a locking body and a locking head downwardly extended from a bottom surface of the locking body for inserting into an enlarged slot portion of the keymod slot after the coupling head is engaged with the narrow slot portion thereof, so as to securely lock up the securing member on the firearm.

Abstract: A mechanism for facilitating the quick assembly and disassembly of firearm accessories onto a rail, providing users with versatile and modular firearm capability to accommodate variable field conditions and missions. A dual safety mechanism avoids unintentional release. A streamlined design minimizes the potential for catching foreign objects.

Abstract: A special automatic out the front knife device transformed as a bayonet for rifles, shotguns and pistols. Particularly this knife product is related to rifle, pistol and shotgun applications where having a knife or bayonet readily available is desired. The device is to be used with a weapon such as a rifle, shotgun or pistol and is comprised of an out-the front, encased spring activated blade component and at least one manner or way for connecting the blade component to the weapon wherein the out-the front, encased spring activated blade component which can be removably secured to the rifle, shotgun or pistol for use as a bayonet.

Abstract: A holster which obscures presence and identity of the handgun held by the holster is disclosed. The holster comprises an L-shaped frame having a pin. The handgun is installed on the holster by inserting the pin into the barrel of the handgun. The L-shaped frame combined with the installed handgun collectively form a parallelepiped of thickness equal to that of the handgun. The handgun is disguised by visually meshing in complementary fashion with the holster, when concealed beneath a fabric of an article of apparel.

Abstract: Representative implementations of devices and techniques provide a molded backer and/or a molded cover for a holster. The backer may be combined with one or more shell components (i.e., covers) to form a case for a weapon, tool, or other implement. The backer and/or the cover may be formed to include one or more features on a surface of the backer and/or cover, for tuning a relative friction of the surface of the backer and/or cover.

Abstract: A multi-launcher firearm includes a firearm body comprising a plurality of ammunition launchers for storing different types of ammunitions having different ranges in the respective ammunition launchers, an input device connected to the firearm body for receiving a designation inputted by a user, and a controller mounted on the firearm body and respectively connected to each ammunition launcher for receiving the designation from the input device and then controlling the ammunition launcher correspondent to the designation to launch out the ammunition stored therein. The ammunition in each ammunition launcher comprises a plurality of rocket projectiles. All the rocket projectiles stored in the ammunition launcher share an identical diameter.

Abstract: Sighting devices and cartridges for a firearm comprising an internal sighting and aiming system which incorporates and leverages electromagnetic radiation as the means for aiming the firearm. The sighting and aiming system must first be placed in the chamber of a firearm to be functional. It is activated and deactivated by the angle at which the firearm is held.

Abstract: A sight aid including a supplementary sight alignment indicator having a projection plane and a projection device adapted to project a supplementary sight alignment indicator and at least one reference point on the projection plane, the supplementary sight alignment indicator is axially-centered with respect to the sight alignment indicator and spaced apart therefrom on the optical axis for forming a composite image with the image of the sight alignment indicator, the target image being viewable together by the user by means of the ocular lens and the projection plane is disposed at a distance from the sight alignment indicator. An adaptor secures the supplementary sight alignment indicator to a portion of the projectile device or the housing.

Abstract: A sight aid including a supplementary sight alignment indicator having a projection plane and a projection device adapted to project a supplementary sight alignment indicator and at least one reference point on the projection plane, the supplementary sight alignment indicator is axially-centered with respect to the sight alignment indicator and spaced apart therefrom on the optical axis for forming a composite image with the image of the sight alignment indicator, the target image being viewable together by the user by means of the ocular lens and the projection plane is disposed at a distance from the sight alignment indicator. An adaptor secures the supplementary sight alignment indicator to a portion of the projectile device or the housing.

Abstract: A sight aid including a supplementary sight alignment indicator having a projection plane and a projection device adapted to project a supplementary sight alignment indicator on the projection plane, the supplementary sight alignment indicator is axially-centered with respect to the sight alignment indicator and spaced apart therefrom on the optical axis for forming a composite image with the image of the sight alignment indicator, the target image being viewable together by the user by means of the ocular lens and the projection plane is disposed at a distance from the sight alignment indicator. An adaptor secures the supplementary sight alignment indicator to a portion of the projectile device or the housing.

Abstract: A weapon system includes a weapon, a weapon sight configured to sight a target of the weapon, and an electro-mechanical super-elevation (EMSEL) system. The EMSEL system includes a weapon adapter coupled to the weapon, an electronics mount coupled to the weapon sight, a drive assembly coupled to the weapon adapter and the electronics mount, and a controller. The controller is configured to determine that the weapon is changing in angular orientation. The controller is also configured, in response to the determination that the weapon is changing in angular orientation, to control the drive assembly to adjust an angle of the electronics mount relative to the weapon while the weapon is changing in angular orientation such that the electronics mount remains substantially at a predetermined angle relative to the target.

Abstract: Systems, devices, and methods for determining a predicted impact point of a selected weapon and associated round based on stored ballistic information, provided elevation data, provided azimuth data, and provided position data.

Abstract: The disclosure presents at least one example of a missile system, method, and/or computer program product. The missile system may, for example, include a radar, an Automatic Dependent Surveillance Broadcast (“ADS-B”) receiver, a missile launcher, and a control station. The missile system may, for example, be configured to handle various situations such as when only ADS-B data relating to an airborne entity is available, only radar data relating to the airborne entity is available or both ADS-B data and radar data relating to the airborne entity are available. The missile system, may, for example, be a surface to air missile system.

Abstract: A seeker head for a guided missile has an outer casing, a detector unit with a matrix detector, and an optical system for depicting an object from an object scene surrounding the guided missile on the matrix detector. The optical system contains entrance optics and an optical link. The seek head further has a rolling-pitching system with a rolling frame and a pitching frame for aligning at least the entrance optics with the object. In order to be able to detect even objects that are far away and radiating weakly when the guided missile is rolling, it is proposed that the detector unit is arranged on the rolling frame for conjoint rolling.

Abstract: A gun-launched ballistically-stable spinning laser-guided munition is backward compatible with existing guns with rifled barrels as-deployed for unguided munitions of the same caliber, and will follow the same ballistic trajectory. This allows the laser-guided munitions to be used with the existing base of weapons systems and logistics.