Abstract: An air-conditioning method comprises the steps of performing a refrigerator operation using a refrigerator to which cooling water cooled in a plurality of cooling towers is supplied as a cold heat source, and performing a free cooling operation using at least some of the plurality of cooling towers as a cold heat source, wherein at a time of the free cooling operation, the number of the cooling towers which are operated is controlled.

Abstract: A refrigerant vapor compression system includes a compression device, a heat rejecting heat exchanger, an economizer heat exchanger, an expander and an evaporator disposed in a refrigerant circuit. An evaporator bypass line is provided for passing a portion of the refrigerant flow from the main refrigerant circuit after having traversed a first pass of the economizer heat exchanger through the expander to partially expand it to an intermediate pressure and thence through a second pass of the economizer heat exchanger and into an intermediate pressure stage of the compression device. An economizer bypass line is also provided for passing a portion of the refrigerant from the main refrigerant circuit after having traversed the heat rejecting heat exchanger through a restrictor type expansion device and thence into the evaporator bypass line as liquid refrigerant or a mix of liquid and vapor refrigerant for injection into an intermediate pressure stage of the compression device.

Abstract: A refrigerator comprises an enclosure that is cooled below a predetermined temperature, a refrigeration circuit that keeps the temperature of the enclosure below the predetermined temperature, a door that provides access into the enclosure and a pressure equalizing device that equalizes the pressure inside the enclosure with the pressure outside the enclosure. The pressure equalizing device comprises a communication path that fluid-communicates the inside of the enclosure with the outside of the enclosure, and a valve device that opens or closes the communication path. The valve device opens the communication path when the air pressure outside the enclosure is greater than the air pressure inside the enclosure by a predetermined value. The valve device comprises a pivoting plate that is pivoted around a horizontal axis, and an opening that is open to air outside the enclosure. The pivoting plate covers the opening.

Abstract: An air source heat pump wherein heat is extracted from air at ambient temperature in an evaporator (4) and heat is rejected at a higher temperature in a condenser (2); further comprises an auxiliary heater (7) arranged to preheat the ambient air when required to prevent deposition of frost on the evaporator. The combustion heater may be a gas fired boiler, arranged to heat recirculating water for supplying heating radiators and wherein the flue gases mix with the ambient air before it passes over the evaporator.

Abstract: A food holding and display device. The food holding and display device includes a housing that defines a volume and that has an upper opening providing access to the volume. The upper opening is at least partially defined by a beveled surface. The food holding and display device also includes a pan that is removably positioned within the volume and that is adapted to support a food product, and a cooling mechanism that is coupled to the housing and that is positioned to cool the food product in the pan.

Abstract: A refrigerated case shelf (38) has a main panel (120) comprising a top wall (140) and left (142) and right (144) sidewalk, respectively depending from left and right edges of the top wall and cooperating with the top wall to define left (164) and right (166) channels. At least one transverse brace (126; 128) is secured to the main panel (120). A left bracket (122) has an insertion portion (168) within the left channel (164) and a right bracket (124) has an insertion portion (170) within the left channel (166).

Abstract: A heat exchanger assembly for a refrigerator is provided and includes a pipe line that extends on a thermally conductive substrate and is divided by a throttle point into an evaporator and a condenser.

Abstract: A housing rotatably supports a desiccant wheel, Ambient air passes through one part of the housing and hot exhaust air passes through the other part. As the wheel rotates, it absorbs moisture from the ambient air in part of the housing and desorbs moisture into the exhaust air in the other part. A fuel cell system supplies the hot exhaust air directly to the desiccant wheel, The dry ambient air is directed to an evaporative cooler and divided between dry channels and wet channels, The air passing through the dry channels cools to be directed to a conditioned space. The air passing through the wet channels evaporates water in the channels facilitating heat transfer and adding moisture to that air. The air from the wet channels is optionally added back into the air from the dry channels to provide appropriate humidity.

Abstract: A dehumidification type air system is configured such that a switching valve and an air-used device are connected through a dehumidifying member made of a polymer permeation membrane with moisture permeability, and by bringing a moisture emitting face of the dehumidifying member into contact with the atmosphere, supply air supplied from the switching valve through the dehumidifying member to the air-used device is dehumidified by the dehumidifying member, while the moisture permeating through the dehumidifying member is diffused from the moisture emitting face to the atmosphere through natural evaporation.

Abstract: A refrigerator includes an enclosure that is adapted to store and cool down food, a refrigeration circuit that cools down the inside of the enclosure and a condensate evaporation device. The refrigeration circuit includes an evaporator that evaporates coolant to cool down the inside of the enclosure and a condenser that condenses coolant. The condensate evaporation device includes a drain case into which condensate generated is collected, and a heating device that provides heat to the drain case to evaporate the condensate. The heating device includes a hot air guide device that guides air heated with heat generated by the condenser into the drain case. The hot air guide device includes an air duct that is provided between the drain case and the condenser.

Abstract: A transport refrigeration unit includes an integrally mounted unitary engine driven generator wherein the generator is cooled by the circulation of oil over the stator coils and the rotor to thereby provide a cooling system that is closed from the outside environment and capable of increased cooling efficiencies. In one embodiment, the circulation of the engine oil is integrated into the generator such that its serves the dual purpose of cooling the generator. In other embodiments, the oil is contained entirely within the generator and is circulated by various means such as by a pump and spray, a slinger or total immersion.

Abstract: An heat pump drying machine has a normal dry mode (e.g., compression ratio is equal to or greater than 3) for operating a compressor at a predetermined dry operation frequency and an energy saving dry mode (e.g., compression ratio is equal to or greater than 2.3 and is less than 3) for operating the compressor at an energy saving operation frequency that is lower than the dry operation frequency. A control device is provided to control an operation frequency of the compressor 5 so that the two dry operation modes are switched to each other. The control device can execute the control for increasing the operation frequency of the compressor to the dry operation frequency during the operation of the energy saving dry mode.

Abstract: An improved air-source heat pump for residential and commercial use, employing two closed refrigerant systems having different refrigerants in cascade relationship to each other to address efficiency and space concerns, with the first closed refrigerant system partitionable into a first sub-system and a second sub-system, with the first sub-system working in conjunction with the second closed refrigerant system in heating mode and the second sub-system working independently in cooling mode.

Abstract: A refrigerator includes an ice storage container coupled to a mounting space of an inner wall of a freezing chamber door, and the ice storage container is attachable to and detachable from the mounting space by elastic lever units to maintain and release locking of the ice storage container with the mounting space, and elastic coupling units to maintain coupling of the ice storage container to the mounting space by elastic deformation and restrict movement of the ice storage container in the horizontal direction of the mounting space when the ice storage container is mounted on the mounting space, thereby preventing abrasion and breakdown of components due to user's ease in the assembly of the ice storage container and increase in the fixing force of the ice storage container.

Abstract: A plastic beer keg includes an outer container and an inner liner. A removable lid is secured over an opening to the container to enclose the liner. In use, the lid can be removed and ice placed in the container directly on the liner, ice flows into gaps between the liner and the container to provide rapid cooling of the content of the liner.

Abstract: The refrigerator includes a vegetable compartment (107) thermally insulated by a rear partition (111), and a mist generation department (139) for atomizing a mist into the vegetable compartment (107), and the mist generation department (139) includes a atomizing electrode (135) for atomizing the mist into the vegetable compartment (107), a voltage applicator (133) for applying a voltage to the atomizing electrode (135), and a cooling pin (134) coupled to the atomizing electrode (135), in which the atomizing electrode (135) is cooled to a temperature lower than the dew point by a outlet air-duct for freezer compartment (141), and the moisture in the air is cooled to condense dew on the atomizing electrode (135), and is atomized as a mist into the vegetable compartment (107), and dew can be condensed from moisture onto the atomizing electrode (135) stably and in a simple configuration, and the freshness of the food is enhanced while the reliability of the refrigerator is enhanced.

Abstract: An integrated thermodynamic system for enhancing the energy efficiency and operating lifetime by reducing wear of moving parts is provided. The system provides automated means to attract or repel electrically conductive or magnetic lubricants in a dynamic manner. The system, when utilizing advanced lubricants including ionic liquids, poly(ionic) liquids, electrorheological fluids, or expanded fluid; and a control system implementing dynamic algorithms, preferably meets the complex demands of thermodynamic systems, particularly high speed rotating equipment, for obtaining high efficiency that requires low friction and long lifetimes that requires superior wear resistance.

Abstract: An inverter-device built-in type electric compressor includes a compressor terminal and a direct-mounting connector, which connects the inverter-device to an external circuit, at an electric compressor side. The direct-mounting connector faces toward the electric compressor and is placed in parallel with a center axis of the electric compressor. A harness connector wired from a motor of the electric compressor is detachably and electrically connected to the compressor terminal, and the electric compressor is detachably and mechanically connected to the inverter-device.

Abstract: An evaporator includes a refrigerant inlet header section, a refrigerant outlet header section, and a refrigerant circulation path connecting the two header sections. A refrigerant inlet-outlet member composed of a first plate, a second plate, and an intermediate plate is joined to the two header sections. The refrigerant inlet-outlet member has an inflow channel whose one end communicates with the refrigerant inlet of the refrigerant inlet header section and whose other end is opened to a rear edge of the refrigerant inlet-outlet member, and an outflow channel whose one end communicates with the refrigerant outlet of the refrigerant outlet header section and whose other end is opened to the rear edge. The first and second plates each have inflow-channel-forming and outflow-channel-forming outward swelled portions. Cutouts and a through hole are formed in the intermediate plate such that the inflow channel and the outflow channel cross each other.

Abstract: An Apparatus for purifying a feed stream containing carbon dioxide in which the feed stream, after having been compressed and dried, is partly cooled and then used to reboil a stripping column. Thereafter, the feed stream is further cooled and expanded to a lower operational temperature of the stripping column. A carbon dioxide product stream composed of the liquid column bottoms of the stripping column is expanded at one or more pressures to generate refrigeration, then fully vaporized within the main heat exchanger and compressed by a compressor to produce a compressed carbon dioxide product. Refrigeration is recovered in the main heat exchanger from a column overhead stream extracted from the stripping column within the main heat exchanger either directly or indirectly by auxiliary processing in which carbon dioxide is further separated and optionally recycled back to the main compressor used in compressing the feed stream.

Abstract: A hybrid gas separation membrane/cryogenic distillation method and system produces high purity gaseous methane from a gas mixture containing a majority of methane and a minority of nitrogen.

Abstract: A charm bracelet and charm with a recording module for recording messages facilitates transferring recorded messages by providing recording device in a charm that may be detached from the charm bracelet.

Abstract: The present invention relates to a method for manufacturing a non-planar product in glass-ceramic. Said method comprises the following steps: (i) in a conventional furnace (3), heating a sheet of precursor glass of said glass-ceramic, so that said sheet becomes formable while avoiding its ceramming; (ii) forming said heated sheet; (iii) cooling said formed sheet (2b); (iv) ceramming said formed, cooled sheet.

Abstract: Since a lens droplet contacts with an outer shape regulation frame 3 at an early stage and is formed to be a glass lens 100 by pressure in a fluidized state with less deformation, a positioning datum surface 102b and so forth can be formed accurately. Also, as a result that the melt droplet contacts with the outer shape regulation frame 3 at the early stage, a shape of a side surface 103 of the glass lens 100 can be formed accurately, and centering process after formed can be omitted.

Abstract: A method for fabricating a porous silica preform includes the steps of supplying fuel gas for generating an oxyhydrogen flame to a glass synthesizing burner; supplying Gas A containing silicon and Gas B containing fluorine to the burner; synthesizing glass particles; and depositing the glass particles around a starting rod, in which when glass particles are deposited directly on the starting rod, a supply of Gas A and a supply of Gas B supplied to the burner are adjusted so that a ratio of the number of fluorine atoms to the number of silicon atoms in the gas supplied to the burner satisfies the following Formula (1): {(number of F atoms)/(number of Si atoms)}?0.

Abstract: A laundry machine includes a first laundry treatment space configured to receive laundry therein, a second laundry treatment space configured to receive laundry therein and an air supply unit configured to supply air to the second laundry treatment space, the air supply unit comprising a fan, a heater and a housing, and wherein the housing accommodates the fan, the heater, an inlet and an outlet.

Abstract: [Problems to be Solved] It is intended to provide a washing method for reliably cleaning water-soluble contaminations such as sweat without damaging fabrics. [Solution] A frame body 18 is disposed horizontally in a casing. The frame body 18 is rotated by a drive motor 23 in the casing. The casing and the frame body 18 are filled with water, and then clothes are placed in the frame body 18. A plurality of protrusions 40 are formed in order that an inner periphery 39 of the frame body 18 has a wavy pattern. A height of the protruding parts is set to from 3.0% to 6.0% of an inner diameter of the frame body 18. A surfactant contained in a cleaning liquid permeates deep into clothes.

Abstract: The present invention relates to laundry machines, and, more particularly, to a safe laundry machine which enables a user to open/close a door easily, and can prevent an accident caused by opening/closing of the door from taking place. The laundry machine includes a cabinet, a drum rotatably mounted in the cabinet, a door having a latch for being opened/closed selectively to expose an inside of the drum to an outside of the laundry machine, and a door switch assembly provided for enabling opening/closing of the door, wherein the door switch assembly includes a switch unit for making selective connection to the latch, and an opening operation unit spaced from the switch unit for the user to enable to disconnect the connection between the latch and the switch unit.

Abstract: A locking device for a trunk in a vehicle. The locking device includes a latch configured to change a state of the trunk between locked and unlocked, and a lever configured to drive the latch to an open position. The locking device further includes a lock knob configured to be disposed outward of a vehicle body to visually determine from an outside of the vehicle whether the trunk is in the locked state or the unlocked state. The lock knob is further configured to be selectively placed in a locked position. In the locked position, the trunk is configured to be brought into the locked state by prohibiting the latch from being driven to an open position. The lock knob is further configured to be selectively placed in an unlocked position. In the unlocked position, the trunk is configured to be brought into the unlocked state by enabling the latch to be driven to the open position.

Abstract: The invention relates to an outside actuation system for locks on doors, tailgates, or the like of motor vehicles (20). The outside actuation system has a handle (10) which is arranged on the outer side (22) of the door (21) and which can serve for opening the door (21). The handle (10) is fixed pivotably on a bearing axis (11). In addition, a grip recess is designed to be on the outer side (22) of the door (21) in the area of the handle (10), which grip recess can be illuminated by an illuminating device (30). Said illuminating device (30) comprises a housing (31) which is designed as a part of the handle (10) and which is located near the bearing axis (11). Said illuminating device (30) illuminates not only the grip recess but also simultaneously the area outside the vehicle (23) which is located on the ground (24) near the vehicle door (21).

Abstract: The present invention suppresses an increase of parts to a minimum, and avoids a panic state by a simple structure. A door lock apparatus is provided with a latch mechanism (a fork and a claw) which engages with a striker so as to be capable of engaging and disengaging, a link which can move between an unlock position capable of engaging with an operation receiving portion of the latch mechanism and a lock position incapable of engaging therewith, a lock plate which moves the link, and open levers which interlock with a door handle provided inside a vehicle or outside the vehicle of a door, and cancel a lock of the striker by the latch mechanism via the link. The lock plate or the link is provided with an energizing member (a link energizing spring) which couples them so as to be relatively movable and energizes the link toward the unlock position with respect to the lock plate.

Abstract: A locking device for a storage box in a vehicle includes a lock configured to place the storage box in a closed state or an open state, and an actuator configured to drive the lock. The locking device further includes a button configured to place the storage box in the open state. The locking device is configured to perform an authentication of a portable key when the button is operated and the storage box is closed. When the portable key is authenticated when the button is operated, the lock is configured to place the storage box in the open state. When the portable key is not authenticated when the button is operated, the storage box is configured to be held in the closed state without the lock being driven. When the portable key is authenticated when the storage box is closed, the lock is configured to be driven to place the storage box in the closed state.

Abstract: A key ring according to embodiments is press-fitted onto a steering shaft (column shaft) at a position that is radially outer side of a fit portion at which multiple shaft members that constitute the steering shaft (column shaft) are fitted to each other, and that is substantially the same as the position of the key ring in the axial direction. When a lock bar is inserted into a lock bar insertion portion formed in an outer periphery of the key ring, the key ring restricts rotation of the steering shaft.

Abstract: A system for controlling access to a secure area includes a lock and an electronic access device for controlling access to a secure area. The lock includes pins for locking and unlocking the lock. The access device communicates with the pins for electrically measuring movement of the pins. The access device stores an unlock pin code for the predetermined position of the pins for unlocking the lock. The electronic access device electrically measures pin movement by a key and determines a key code for the key from the pin movement. A control device electrically communicates with the electronic access device for identifying the key code and determining when the key code matches the unlock pin code.

Abstract: The present invention relates to a locking device, a special actuator assembler and holder of an object in the state of rest besides being source of movement once integral with an object through an actuator having different shapes and lengths, wound up onto an appropriate and interchangeable reel fitted onto an engine driven shaft or stored. The locking function is switched on automatically when a force is applied. The function of servomotor to thrust and draw back is carried out through an actuator formed by two identical flexible and coiling sections whilst they slide separated inside a sheath; coming out of this and forced to assemble opposite and staggered they become stiff to hold and move. The held object is controlled by optic or electric signals transmitted by the actuators to the sensors for the measurement of events and break-into. The device has three clutched and reset locking and unlocking systems, one electrical and two manual.

Abstract: An unlocking device includes a casing mounted to a side of a lock. A movable body is movably received in the casing along a first axis and has an opening. The lock has a keyhole in an extent of the opening. A key receiving seat is movable along a second axis perpendicular to the first axis between a first position received in the movable body and a second position at least partially outside of the movable body. A linking rod is extended into the movable seat. A key can be placed into a key receiving hole of the key receiving seat in the second position and then moved into the movable body to engage with the linking rod when the key receiving seat moves to the first position. The key is movable into the keyhole by moving the linking rod along the first axis and rotatable for locking or unlocking operation.

Abstract: An unlocking device includes a casing mounted to a side of a lock having a keyhole. A movable body is rotatably received in the casing about an axis. The movable body has a closed end having a hole. A key receiving seat is received in the movable body and has a key receiving hole. The keyhole is normally blocked by the closed end of the movable body. The movable body can be rotated to align the hole with the keyhole and the key receiving hole. A block is fixed to the movable body and includes a through-hole extending along the axis. A manually rotatable linking rod extends through the through-hole and has an engaging portion for coupling a key received in the key receiving hole. The key can be moved into the keyhole by moving the linking rod along the axis and can be rotated for locking or unlocking operation.

Abstract: A security container for retaining an item of merchandise therein; said security container comprising a base, a lid, a slider within the lid, a lid hole, a slider tab extending from the slider through the lid hole, and a locking mechanism unlocked through magnetic manipulation. The slider tab is located proximate the hinged side of the lid. As a user positions a key to magnetically unlock the locking mechanism, a protrusion on the key simultaneously pushes the slider tab which unlocks internal L-shaped lock tabs from hook tabs. The slider tab is located on the hinged side of the lid for aesthetic as well as safety purposes. By hiding the security features, potential customers focus on the product within the box. Likewise, a casual thief observing from the front and sides of the container is presented with no immediate means for entry. Thus, the invention provides a more secure container for displaying upscale merchandise.

Abstract: The lock comprises: a fixed bush which defines a cylindrical cavity within which a cylinder rotating about the longitudinal axis of the cavity is mounted; a spring for retaining the cylinder within the cavity in the axial direction, the spring being interposed between a first circumferential groove made in the external lateral surface of the proximal portion of the cylinder and a facing slot made in the wall of the cavity; and interference means suitable for preventing the rotation of the cylinder within the cavity when the cylinder is pushed towards the distal extremity of the bush. A plurality of circumferentially spaced reliefs, extending each for an arc of a circle, radially protrude from a circumferential section of the external surface of the proximal portion of the cylinder, which reliefs bear in normal conditions against a circumferential flange which radially protrudes inwards from the internal surface of the bush.

Abstract: An unlocking device includes a casing mounted to a side of a lock having a keyhole. A movable body is rotatably received in the casing about an axis. The movable body has a closed end having a through-hole. A key receiving seat is received in the movable body and has a passage. The keyhole is normally blocked by the closed end of the movable body. The movable body can be rotated to align the through-hole with the keyhole and the passageA manually rotatable linking rod extends through the passage and has an engaging portion for coupling a key received in the passage. The key can be moved into the keyhole by moving the linking rod along the axis and can be rotated for locking or unlocking operation.

Abstract: A structurally modified lignite composition with or without having functionally enhanced organic molecules extracted there-from, said functionally enhanced organic molecules having enhanced or reduced number of one or more of functional groups selected from a group comprising of carbonyl, carboxyl, amidic, ester, phenolic, alcoholic, ketone and aldehyde groups and having molecular weight selected from a group comprising of (i) below 500, (ii) between 500 and 1000, (iii) between 1000 and 5000, (iv) equal to or greater than 5000 and (v) a combination of utmost of any of the three of (i), (ii), (iii) and (iv) thereof.

Abstract: The invention provides a metal working fluid composition which comprises a morpholine compound and an isothiazoline compound and a metal working method which makes use of the metal working fluid composition. The composition is excellent in antiseptic properties, and can widely be applied to metal working techniques such as cutting, grinding, form rolling, press working and plastic working techniques.

Abstract: The invention relates to a method of increasing the dynamic pressure resistance of a metal component with a tubular inner space, in which a hard metal ball is forced under high pressure through the interior of the tubular inner space, wherein the hard metal ball has a diameter that is greater than the inside diameter of the tubular inner space before the hard metal ball is forced through.

Abstract: Thread cutting of the end portion of a long tubular member (1) held by a chuck system (3) is carried out with high accuracy without leaving mill scale on the complete thread portion of the resulting threads. The protruding length L of the long tubular member from the chuck system (3) to the end face of the tubular member is controlled so that the ratio L/D of the protruding length L to the outer diameter D of the long tubular member (1) is in a range predetermined depending on the outer diameter D and the ratio t/D of the wall thickness t to the outer diameter D of the tubular member (1). When the chuck system is a floating chuck system having a floating chuck and a positioning chuck, the protruding length L of the tubular member from the floating chuck and the protruding length L? thereof from the positioning chuck are controlled.

Abstract: A roll cleaning apparatus having a cleaning member mounted to a support member that extends lengthwise relative to a first roller of the machine. The cleaning member has a brush having a substantial area to place against the surface of the roll. The cleaning member may be movable between an engaged position against the roll during operation, and a disengaged position spaced away from the roll in a non-operating condition, such as when replacement of the cleaning member is desired. The roll cleaning apparatus may include a drive connected to cause linear reciprocation of the cleaning member. The roll cleaning apparatus may have a drive or actuator mounted to move the cleaning member between the engaged and disengaged positions, and may be operable to bias the cleaning member against the roll in use. The roll cleaning member may have a contact head that includes an array of abrasive bristles.

Abstract: A duct making apparatus bends a metal web to form a duct blank having a lock tab at a forward end and having a Z-fold at a rearward end. Prior to shearing off the duct blank from the metal web, the apparatus bends the duct blank to insert the lock tab into the Z-fold, and further bends the Z-fold to form a clinch tab holding the lock tab into the Z-fold. After shearing off the duct blank from the metal web, the apparatus clinches the clinch tab over the lock tab to form a completed duct blank.

Abstract: A flanged duct blank has a male part defined by lead notches formed at each side of a leading end and has a female part defined by trail notches formed at each side of a trailing end. The male part includes a lock tab. The female part includes a leg part and a Z-bend. The Z-bend includes a leg part and a gap. The duct blank is repeatedly clamped and bent by a pivoting wiper to form a duct portion. The pivoting wiper includes a clench tool that has a retractable rib and a retractable roller. With the lock tab inserted into the Z-bend and the retractable rib engaged with the Z-bend, the retractable roller clenches the leg part over the lock tab to lock the male and female parts together in a duct seam.

Abstract: Method for thermo-mechanical controlled rolling of metal slabs to plates or strips, in which for two successively rolled slabs the time gap between the starts of their rolling phases 1 is always smaller than the sum of the duration of all rolling phases and all cooling phases of the rolling pattern, and in which during rolling the batch it occurs on at least one rolling mill stand several times that a rolling phase applied to one slab or plate or strip is succeeded by a different rolling phase applied on another slab or plate or strip. In the apparatus for thermo-mechanical rolling according to that method the number of storage positions is half the interleave depth of the performed rolling pattern rounded up to an integer.

Abstract: A roll changing device with a steplessly operating wedge adjusting device that operates on the roll chocks of a roll that is supported stand uprights and which roll is to be replaced by another in the chocks in a roll stand. The adjusting wedge has a continuously planar wedge surface area. The wedge adjusting device includes a clamping device for fixing the position of the adjusting wedge relative to a stand for the roll chocks. An upper pressure plate in the stand and above the wedge and the roll chock is vertically and horizontally guided in the roll changing device.

Abstract: Dispersion strengthened aluminum base alloys are shaped into metal parts by high strain rate forging compacts or extruded billets composed thereof. The number of process steps required to produce the forged part are decreased and strength and toughness of the parts are increased. The dispersion strengthened alloy may have the formula Albal,Fea,SibXc, wherein X is at least one element selected from Mn, V, Cr, Mo, W, Nb, and Ta, “a” ranges from 2.0 to 7.5 weight-%, “b” ranges from 0.5 to 3.0 weight-%, “c” ranges from 0.05 to 3.5 weight-%, and the balance is aluminum plus incidental impurities. Alternatively, the dispersion strengthened alloy may be described by the formula Albal,Fea,SibVdXc, wherein X is at least one element selected from Mn, Mo, W, Cr, Ta, Zr, Ce, Er, Sc, Nd, Yb, and Y, “a” ranges from 2.0 to 7.5 weight-%, “b” ranges from 0.5 to 3.0 weight-%, “d” ranges from 0.05 to 3.5 weight-%, “c” ranges from 0.02 to 1.50 weight-%, and the balance is aluminum plus incidental impurities.