Abstract: A domestic refrigeration appliance has a housing in which there is formed at least one receiving space for food that is delimited by walls of an internal container. An icemaker has an external housing that is separate from the internal container and that is preferably inserted in an inset region of the internal container and that has a charging opening. A separate frame is arranged on a front edge of the external housing. The separate frame delimits the charging opening.

Abstract: Carrier for carrying products, the carrier comprising: a plurality of thermally insulated walls (10); a thermally insulated base (20); a liner (30) defining at least part of an interior surface of the carrier; a cooling element (50), wherein the cooling element (50) is arranged to be located behind the liner (30).

Abstract: A refrigerator has a case body with a pair of side walls, a beam bridge-connecting the pair of side walls, where the beam includes a housing, and the housing has an accommodation space and a heat insulation material located in the accommodation space. A strengthening member is fastened to a corresponding side wall, where the strengthening member is mounted in the accommodation space, and includes a main plate portion extending along a front inner wall of the accommodation space and a side plate portion extending backward from at least one side of the main plate portion. The housing has a support portion protruding backward from the front inner wall, and the side plate portion is provided with an anti-flipping portion abutting against the support portion.

Abstract: Disclosed is an ultra-low temperature freezer comprising a seal. The seal member has: hollow first and second air layer forming portions which are aligned in a row in a second direction between a first and second peripheral edges when a door is closed; and a first connection portion which is connected between the first and second air layer forming portions so as to form an air layer. The first connection portion has a shape that would overlap part of the first and second air layer forming portions if moved in parallel to the second direction. The outer peripheral surface of the first connection portion and the outer peripheral surfaces of the first and second air layer forming portions form first and second recessed portions extending in a first direction.

Abstract: A refrigerator includes: a cabinet; a front panel door part; a drawer part configured to be connected to the front panel door part and to insert into and withdraw from the cabinet based on movement of the front panel door part relative to the cabinet; a support member located in the drawer part and configured to seat an object stored in the drawer part; and an elevation device that is located at each of a first side surface of the drawer part and a second side surface of the drawer part, that is configured to be coupled to each of a first side of the support member and a second side of the support member, and that is configured to elevate the support member relative to the drawer part in a state in which the drawer part is withdrawn from a lower storage space defined in the cabinet.

Abstract: A climate controlled smartbox includes a battery, a sensor configured to detect a property of a medium of the smartbox, a climate control interface configured to change the property, and a controller. The controller is configured to receive a first indication of a charge of the battery, receive from the sensor a second indication of the property, and determine a control input for the climate control interface based on the first indication and the second indication.

Abstract: Systems and methods for increasing the efficiency of liquefied natural gas (LNG) production, as well as facilitating coproduction of electric power, and compressed natural gas (CNG) are described. The systems and methods facilitate producing an intermediate LNG at a higher temperature, recovering refrigeration from flash gas and boil-off gas from the LNG, using flash-gas and boil-off gas as fuel to generate electric power, and providing LNG, CNG, and electric power to a vehicle fueling facility.

Abstract: The invention relates to a method for the treatment of natural gas containing carbon dioxide, methane and paraffins. The method comprising: a step of extracting the paraffins from the natural gas in a paraffin-removal column, and a step of separating the carbon dioxide and the methane in a distillation column. The operation of the two columns being provided by means of the thermal coupling of said two columns using a thermal coupling heat exchanger.

Abstract: A vacuum drying apparatus includes a chamber, a steam supply line, an evacuation line, a circulation line, and a pressurizing and heating unit. The chamber includes an inlet, an outlet, and a treatment space capable of accommodating food. The steam supply line is connected to the inlet and is configured to be capable of supplying steam into the treatment space. The evacuation line is connected to the outlet and is configured to be capable of evacuating the treatment space. The circulation line is provided outside the chamber and causes steam to circulate from the outlet to the inlet. The pressurizing and heating unit is provided in the circulation line.

Abstract: A laboratory equipment having an inlet and outlet tube for gas to enter and exit using specific shaped tubes with multi-outlet apertures in form of a network to allow the gas to enter the drying chamber to dry the material. The specific shaped tubes are in crescent shape and cross each other to have maximum surface area exposure to the drying chamber and effectively contact the material that is being dried. A gas inlet valve and outlet valve control the flow, pressure and temperature of the gas that is being used for drying the material to make nano material. A method of using the laboratory equipment with special gas inlet tubes is used for drying the material in form a slurry to make dry nano material.

Abstract: The invention relates to a freeze-drying device comprising: —an evaporation chamber (5) comprising heating means (15, 16), —a condensing chamber (10) communicating with the said evaporation chamber, —the said evaporation chamber (5) and the said condensing chamber (10) being mounted secured to one another about an axle (30) capable of rotating, characterized in that the device further comprises: —a products inlet and outlet (1, 8) which are connected to the said evaporation chamber (5) by flexible connectors, the products inlet and outlet (1, 8) being mounted fixedly with respect to the evaporation chamber, and —a motor (12) driving the said axle (30) on itself with the following back-and-forth movement: —a first movement driving the said axle (30) in a first direction of rotation with an angle of rotation (?1) of between 5° and 90°, and —a second movement driving the said axle (30) in a second direction of rotation, opposite to the first angle of rotation, with an angle of rotation (?2) of between ?5° and ?9

Abstract: In a system and method for heating one or more materials, a system may comprise a constant current power supply and a furnace having a chamber for receiving the one or more materials. The furnace may comprise an insulating outer section, a chamber wall, and two electrodes. Other embodiments are described and claimed.

Abstract: A framework for handling blades, comprising a bottom wall carrying a plurality of intermeshed longitudinal and transverse partitions forming a grid defining a plurality of housings each able to receive a blade. The framework comprises rods for supporting and holding the blades remote from the base wall and said longitudinal and transverse partitions, said rods crossing the longitudinal and transverse partitions and extending into the housings and being produced, at least externally, from a thermally insulating material.

Abstract: Disclosed herein is a heat exchanger, and more particularly to a heat exchanger having an improved refrigerant flow structure. The heat exchanger includes a plurality of tubes arranged in a first row and a second row, a first header connected to one end of the plurality of the first row tubes and a second header connected to one end of the plurality of the second row tubes, a first baffle dividing an inside of the first header into a first channel and a second channel in a vertical direction and dividing an inside of the second header into a third channel and a fourth channel in a vertical direction, an inlet pipe connected to the second channel to allow the refrigerant to flow therein, and an outlet pipe connected to the third channel to discharge the refrigerant.

Abstract: A U-tube heat exchanger wherein a tube support plate divides the interior of a tube-exterior fluid chamber into a curved-tube chamber on a second end side including curved-tube sections of the U-tubes, and a chamber on a first end side. A second partition wall divides the interior of the chamber on the first end side inside the tube-exterior fluid chamber into a first straight-tube chamber including inlet-side straight-tube sections of the U-tubes, and a second straight-tube chamber including outlet-side straight-tube sections of the U-tubes. An opening penetrating from the first straight-tube chamber into the second straight-tube chamber is formed in the second partition wall. First passage holes, which penetrate from the first straight-tube chamber into the curved-tube chamber, and second passage holes, which penetrate from the second straight-tube chamber into the curved-tube chamber, are formed in the tube support plate.

Abstract: A gas turbine engine having a heat absorption device and an associated method are disclosed. The gas turbine engine includes a compressor, a combustor, a turbine, a bleed fluid cavity, and the heat absorption device. The combustor is coupled to the compressor. The turbine is coupled to the compressor and the combustor. The bleed fluid cavity is formed at a first predefined location in the compressor. The heat absorption device is disposed in the bleed fluid cavity and includes a casing, a flow path, and a phase change material. The casing includes an inlet and an outlet. The flow path is within the casing, extends between the inlet and the outlet, and directs an input bleed fluid separated from a fluid stream discharged from the compressor. The phase change material is filled in the casing, separated from the flow path.

Abstract: Disclosed are a stainless steel having a new composition, which has properties of low strength as compared with a conventional stainless steel, that includes, percent by weight, C: 0.03% or less, Si: exceeding 0 to 1.7% or less, Mn: 1.5 to 3.5%, Cr: 15.0 to 18.0%, Ni: 7.0 to 9.0%, Cu: 1.0 to 4.0%, Mo: 0.03% or less, P: 0.04% or less, S: 0.04% or less, N: 0.03% or less, residue: Fe, and incidental impurities, and has an austenite matrix structure and an average diameter of 30 to 60 ?m, and a system such as an air conditioner including the stainless steel thereof.

Abstract: A hygienic food product to food product heat exchanger (1). The heat exchanger (1) has an elongated and hollow housing (4), a metal tube plate (6) arranged at each of the opposite ends of the elongated housing (4) for defining a closed interior space (10) inside the elongated and hollow housing (4), a plurality of tightly spaced metal tubes (2) axially extending between the tube plates (2) with the ends of the tubes being received in correspondingly tightly spaced holes the tube plates (6) or with the lumen of the tubes being aligned with said correspondingly tightly spaced holes in the tube plates. The metal tubes (2) are sealingly secured to the metal tube plates (6) by a welding joint (20) on the inwardly facing side of the tube plates (6).

Abstract: A heat transfer device for transferring heat energy to or from a gas or fluid flowing radially across a plurality of posts or tubes includes a plate having a plate surface. A plurality of posts or tubes are disposed on and protrude substantially perpendicular to the plate surface. At least about 50% of the plurality of posts or tubes are disposed according to a phyllotaxis layout. Each arc of a plurality of phyllotaxis spiral arcs of the phyllotaxis layout terminates at different locations along an arc radius on the plate at a phyllotaxis arc termination radius less than a perimeter radius.

Abstract: Systems and methods for transporting a hydrocarbon are provided. The method can include introducing a fluid at a first pressure and a first temperature to an inlet of a pump and pressurizing the fluid within the pump to produce a pressurized fluid having a second pressure and a second temperature. The method can also include flowing at least a portion of the pressurized fluid through a first heat exchanger and back to the inlet of the pump. The heat exchanger can include a coil having an inlet and an outlet and a housing at least partially enclosing the coil and having a first opening and a second opening. A first end of the coil can be disposed proximate the first opening. The heat exchanger can also include a foundation for supporting the coil and the housing.

Abstract: A heat dissipation apparatus, including a base plate, a guide fin group, and a heat dissipation fin group, where the guide fin group is formed on a surface of the base plate, the guide fin group is disposed with at least two guide fins that are disposed at an interval, and the at least two guide fins extend along a surface of the base plate from an edge of the base plate, and a flow path for flowing of an airflow is formed between two adjacent guide fins, and the heat dissipation fin group includes at least one heat dissipation fin, where the at least one heat dissipation fin is fixedly connected to the top of the at least two guide fins to dissipate heat of the at least two guide fins. The heat dissipation apparatus further includes, guide fins and a stopper fin.

Abstract: A flow path member includes a lid portion, a bottom plate portion, and side walls provided between the lid portion and the bottom plate portion, a flow path in which a fluid flows is configured with the lid portion, the side walls, and the bottom plate portion, a portion of a surface of the side walls on the flow path side includes a coarse portion that is coarser than the other portions.

Abstract: Substantially aligned boron nitride nano-element arrays prepared by contacting a carbon nano-element array with a source of boron and nitrogen; methods for preparing such arrays and methods for their use including use as a heat sink or as a thermally conductivity interface in microelectronic devices.

Abstract: A heat exchanger includes a plate fin, a first flat tube intersecting with the plate fin, and a second flat tube opposed to a flat tube lower surface of the first flat tube, the second flat tube being spaced from the first flat tube and arranged so as to intersect with the plate fin. A flat tube windward lateral surface of the first and second flat tubes is located on an inner side of a peripheral edge of the plate fin, which includes an elevated portion formed between the first and second flat tubes and is located between a first imaginary plane, connecting the flat tube windward lateral surface of the first and second flat tubes, and a second imaginary plane, connecting a center of the flat tube lower surface of the first flat tube and a center of the flat tube upper surface of the second flat tube.

Abstract: A cooling tower is provided having a heat exchange section. A water collection basin located above the heat exchange section. The water collection basin has a plurality of openings that allow water to be distributed downwardly onto the heat exchange section. The water collection basin openings each have a diameter of from 0.2 inch to 0.6 inch.

Abstract: A bolt action AR rifle can be prepared using a standard AR lower assembly and coupling it to a bolt action upper assembly. The bolt action upper assembly has a bolt action receiver containing a bolt. The method of forming a bolt action AR rifle can include: providing the bolt action upper receiver assembly; providing the standard AR lower AR receiver assembly having a pivot pin and takedown pin; inserting the pivot pin into the pivot pin receiver hole; pivoting the bolt action upper receiver assembly at the pivot pin until the takedown pin is aligned with the takedown pin receiver hole; and inserting the takedown pin into the takedown pin receiver hole.

Abstract: A magnetically actuated authentication and unlocking system is provided that is particularly suited for integration into a firearm, but that can also be incorporated into any device that requires an operator to hold a grip, handle or stick controller. The system includes a locking mechanism that is installed in a device and an unlocking mechanism that is preferably incorporated into wearable gear, such as a glove. The system utilizes magnets in the locking mechanism and unlocking mechanism, such that when a user wearing an unlock mechanism encoded with the correct magnetic “key” holds the device with the locking mechanism, the locking mechanism unlocks the device.

Abstract: An M4A1 helically fluted gun barrel is provided which increases sustained peak temperature levels for the barrel. This M4A1 helically fluted gun barrel incorporates multi-start variable pitch helical openings into the exterior profile of a standard M4A1 heavy barrel. The helical openings increase the outer surface area for heat dissipation, and also reduce weight as a further advantage.

Abstract: A compact silencer (suppressor) device for a firearm comprising of multiple chambers which trap the gases from a projectile exiting the barrel of a gun to slow down the gases and reduce the temperature, sound, and flash associated with the projectile. In one embodiment, the first chamber which attaches to the barrel of the firearm comprises of sound baffling materials or gas porting baffles which vent gases from the second chamber passing rearward. The second chamber comprises of a chamber which can accommodate a retractable third chamber of the device, the second and third chamber of the device can have sound baffles to slow down the gases from the projectile.

Abstract: This disclosure describes systems, methods, and apparatus for a bipod having pivot and cant functionality built into a unified cant/pivot assembly, housing, and pivot block. Rotation of a locking knob under the housing can gradually increase or decrease friction of the cant and pivoting degrees of freedom. Sufficient loosening of the locking knob can allow a pivot block to be lifted from the housing and rotated 180°, and then retightened to lock in a given pivot position. Before this 180 rotation of the pivot block, the pivot block and hence the firearm is free to pivot up to 10°, or up to 20°, or up to 30°.

Abstract: Shooting sticks having pivotally attached support rests slidably attached to collapsible legs, said support rests providing a stable platform on which a user may aim and/or shoot a firearm or other object requiring at least temporary immobilization. A first channel running along the length of each support rests allows for the passage of a leg. A brake is attached to each support rest, said brake having an aperture through which a leg passes through, the aperture being configured, when the brake has not been depressed, to arrest any sliding movement of the support rest along the length of the leg to which it is attached. When the brake is depressed, the aperture becomes oriented perpendicular to leg which passes through it, allowing the support rests to freely slide up and down the leg. An elastic member provides an upwardly directed force to aid in support rest stabilization and lift assist.

Abstract: A portable dry fire practice shooting system includes a first base supporting a target. A second base is associated with the first base such that the distance between the first base and the second base can be selectively adjusted. The second base includes a portable electronic device retaining mechanism for holding a portable electronic device on the second base so as to align a camera of the portable electronic device with the target. A software application downloaded onto the portable electronic device utilizes the camera of the portable electronic device to detect light spots reflecting from the target.

Abstract: The slingshot with vertically adjustable directional member and nock for arrow projectile comprises the first and second sling members, first and second elastic members, handle, subhandle, pouch with the aperture in its center, arrow nock with projection to be installed in that aperture for fixing and centering of the arrow in the pouch, and the vertically adjustable directional member for arrow support between those first and second sling members and adjustment of the arrow gravitational effect.

Abstract: A limb for an archery bow is provided. The limb includes an outer elongate member, an inner elongate member, and a core member. The outer elongate member is formed of a first material and includes an interior surface and an exterior surface. The inner elongate member is formed of a second material and includes an interior surface and an exterior surface. The core member is formed of a third material and is sandwiched between the outer elongate member and the inner elongate member. The core member is coupled with at least a portion of each of the interior surfaces of the outer elongate member and the inner elongate member. The outer elongate member and the inner elongate member are configured to move relative to each other when the limb is bent. The first material and the second material are each stiffer than the third material.

Abstract: A crossbow has a body, two bow assemblies, two pulley assemblies, and a string. The two bow assemblies are respectively disposed at two sides of the body. Each one of the two bow assemblies has a limb being capable of swinging relative to the body, a guiding unit obliquely extending toward the limb, a joint with two ends, and multiple Belleville springs mounted on and around the guiding unit and simultaneously abutting against the body and the joint. An angle is defined between the guiding unit and the body. The joint has an allowance for movement with the limb that allows a free end of the limb to be pulled toward the body. The two pulley assemblies are respectively mounted on two free ends of two limbs of the two bow assemblies. The string has two ends respectively fixed to the two pulley assemblies.

Abstract: A shooting controller of a paintball gun includes a mechanical shooting apparatus, an electric shooting apparatus, a pneumatic apparatus, and a switching apparatus. Operating the switching apparatus may switch the paintball gun between a mechanical shooting mode and an electric shooting mode. In the mechanical shooting mode, the mechanical shooting apparatus drives the pneumatic apparatus to shoot a paintball when a trigger is pulled. In the electric shooting mode, the electric shooting apparatus drives the pneumatic apparatus to shoot a paintball when a trigger is pulled.

Abstract: A throwing knife. The throwing knife comprises a body having a first end and a second end. A handle is affixed to the first end of the body, and a blade is affixed to the second end of the body. A weighted member includes a perimeter defining a central channel and is configured to slide between the handle and the body. The weight may include a ring slidably disposed along the body, or a ball inserted into a hollow channel within the body adjacent an optional packing material, or may include both types of weights. The body is narrower than both the handle and the blade, such that a ring weight disposed about the body is configured to slide between a forward edge of the handle when held by a user, and a second position wherein the weight contacts a rear edge of the blade when thrown.

Abstract: A stabilizing device for a small arms weapon is disclosed. The stabilizing device may include a housing, a starboard side support member, a port side support member, and a primary hinge pin. The primary hinge pin, the starboard side support member, and the port side support member may form a joint. The stabilizing device further may include a webbing. The webbing may include one end secured to the starboard side support member and another end secured to the port side support member. The webbing may form a sling. The sling may be configured and dimensioned to rest on a body disposed between the first base and the second base. The body may be the forearm of an operator grasping the small arms weapon in a single hand. In one embodiment, the stabilizing device for a small arms weapon is connected to a pistol chassis.

Abstract: A holster to selectively vary accommodation of different guns, different holster wearing conditions, and different holster mountings is shown and described The holster includes a sheath for receiving a gun, the sheath including a retentive surface covering at least part of the sheath At least one detachable functional enhancement module is manually attachable to and removable from the sheath Modules may influence sheath configuration, gun position when inserted, gun withdrawal from the sheath, and mounting possibilities relative to environmental objects The sheath may comprise a flexible neoprene fabric coated with polyparaphenylene terephthalamide, with a hook and loop covering Modules may have corresponding hook and loop patches.

Abstract: An accessory mounting device to pivotably mount an accessory to a weapon such as a firearm provides recoil dampening and generally may also include an accessory mount, a weapon attachment base, an arbor, and a detent mechanism. Advantageously, to flip or rotate the accessory mount through about 90 degrees between a first position above the base and a second position along a side of the base requires only grasping the accessory mount and rotating it from either of the positions through 90 degrees to the other position. No separate manual action to disengage any type of locking device is required, nor is any longitudinal or lateral translation of the mount involved. The function of providing stabilized, consistent location in each of the two positions, resistance to movement from each position, and manual movement of the mount that overcomes the resistance and rotates between the positions is provided by the detent mechanism.

Abstract: An accessory mounting device to pivotably mount an accessory to a weapon such as a firearm provides recoil dampening and generally includes an accessory mount, a weapon attachment base, an arbor, and a detent mechanism. Advantageously, to flip or rotate the accessory mount through about 90 degrees between a first position above the base and a second position along a side of the base requires only grasping the accessory mount and rotating it from either of the positions through 90 degrees to the other position. No separate manual action to disengage any type of locking device is required, nor is any longitudinal or lateral translation of the mount involved. The function of providing stabilized, consistent location in each of the two positions, resistance to movement from each position, and manual movement of the mount that overcomes the resistance and rotates between the positions is provided by the detent mechanism.

Abstract: Armor for lightweight ballistic protection is made up of composite tiles which can be assembled into modules. The modules can be assembled into panels and can be mounted on vehicles and aircraft and on the walls of shelters. The tiles have core layer(s) of non-homogeneous materials provided by particles of grit distributed in a plastic, preferably rigid polymeric matrix, and which are faced by a layer of high modulus stiff material such as ceramic. The tiles are preferrably backed by elastomeric material and may have sheets of composite material between the elastomeric layer and the non-homogenous core layer. The tiles may be stacked, forming modules and the modules assembled in rows to form panels. An incoming object causes the facing layer to distribute the impact force over a large area of the non-homogeneous grit/polymeric core layer which fractures and absorbs the impact and shock waves, both the compressive direct wave and the tensile wave reflected from the back interface.

Abstract: An armor plate is provided having a lamination of an embedded reinforcement basalt fiber mesh within a laminated cast metal alloy; and at least two layers of an aramid fiber. A process to make the armor plate can include suspending a basalt weave within a mold; heating aluminum 6061 or 7075 alloy to a molten state; pouring the molten aluminum into the mold; cooling the resultant matrixed aluminum to ambient temperature; and laminating at least two layers of ballistic fiber to the matrixed aluminum.

Abstract: Methods and apparatus for detecting a magnitude of a voltage at a face of a conducted electrical weapon (“CEW”). The magnitude of the voltage may be used to determine whether a pulse of a stimulus signal was delivered to a target. Structures for detecting the magnitude of the voltage may include structures that provide a stimulus voltage.

Abstract: The present invention describes a method of providing a mark to a case (13) of a cartridge (1) of ammunition. The mark comprises at least one sub-mark (12) and is suitable for identification or for tracking of the cartridge (1). According to the present invention, at least one scratching means (10) selectively incises a surface of the case (13), thereby forming the at least one sub-mark (12).

Abstract: A mechanical arrowhead or broadhead with pivoting blades that each pivot between an in-flight position and an impact position. One or more blades is each mounted within an opening of a body so that each blade pivots or otherwise moves with respect to the body. A stop element is secured directly to or with respect to the body. In the impact position, each blade contacts the stop element. In the in-flight position, each blade does not contact but rather is arranged or positioned away from the stop element.

Abstract: A fragmentation warhead is provided, capable of being mounted in a carrier vehicle, the warhead having a longitudinal axis. In at least one example the warhead includes a shell that extends along the longitudinal axis. The shell includes a fixed shell portion and a fragmentation portion, and defines therebetween a cavity for accommodating therein an explosive charge. The fragmentation portion includes at least one set of serially adjacent fragments in correspondingly serially contiguous relationship in the fragmentation portion and in generally helical relationship with respect to the longitudinal axis. A corresponding carrier vehicle and a corresponding missile are also provided.

Abstract: A vessel (10) containing a fluid (liquid and/or gas) at pressure higher than atmospheric pressure which when evacuated from the vessel (10) lowers the temperature of the vessel and thereby creates a self-generated cold sink capable of absorbing thermal energy to maintain electronics and other temperature sensitive missile components within their operational temperature limits.

Abstract: An ammunition cartridge for a gun is optically initiated by a mechanism wholly within the cartridge case itself. The case has as optical primer initiation means producing light fluence to ignite an optical sensitive mix, which ignited optical sensitive mix may in turn ignite into a flashtube, and which ignited flashtube may in turn ignite a bed of propellant in said cartridge. The optical primer initiation means may be an LED, a laser diode, a VCSEL, or some other light emitting device in general. The cartridge optically initiated primer package is so sized and made electrically and mechanically seamlessly physically compatible with current ammunition cartridges such that these new cartridges are completely interchangeable.

Abstract: The present disclosure discloses a ranging system comprising a signal transmitter, a signal receiver, a ranging wheel, an electronic counter, an angle sensor and a data processing module integrated within a same device. The present disclosure also discloses a ranging system comprising a ranging device and a terminal device in communication with the ranging device, the ranging device comprises a signal transmitter, a signal receiver, a ranging wheel and an electronic counter, the terminal device comprising a data processing module. The ranging device or the terminal device also includes an angle sensor therein. The data processing module displays the received laser ranging information, or generates, in real-time, the travel trajectory of the ranging wheel based on distance information of the electronic counter and angle information of the angle sensor and draws the travel trajectory.