Abstract: Welding wire for gas protective welding of reduced activation ferritic/martensitic steel and the manufacturing method, chemical components (weight percentage, wt %): C: 0.10˜0.15, Cr: 8.0˜9.0, W: 1.0˜1.6, V: 0.15˜0.25, Ta: 0.10˜0.17, Mn: 0.50˜0.70, Si: 0˜0.05, N: 0˜0.02, O, Ni, Cu, Al, and Co: 0˜0.01 respectively, P, S, Ag, Mo, and Nb: 0˜0.005 respectively, and balance of Fe. The welding wire has Cr equivalent weight of less than 11, Ni equivalent weight of greater than 3.5. It is manufactured with a wire rod through multi-pass drawing. The rod is subject to annealing heat treatment, tempering treatment performed between the passes of drawing. The annealing process is: the rod is at 940˜1020° C. for 20˜60 minutes, and the n cooled to below 650° C. at rate of less than 45° C./hour, air-cooled to room temperature. The tempering process is: the rod is at 760˜820° C. for 0.5˜2 hours. It reduces forming of ? ferrites in welded joints.

Abstract: A device for the induction heating of a billet of metal of high electrical conductivity has: a tubular body supporting a plurality of permanent magnets arranged inside the tubular body, angularly spaced apart from each other and arranged so as to be alternated with opposite polarities. The device also has a support for the billet that is arranged inside the tubular body and faces the magnets. The device also has a motor adapted to rotate the tubular body with respect to the billet in order to induce currents in the billet that circulate within the metal material, obtaining the heating of the billet by the Joule effect. An integral cooling system for the permanent magnets is provided, this being carried by the tubular body and suitable for feeding cooling air flows between adjacent permanent magnets.

Abstract: Device and method for welding a workpiece (2) having a welding torch (3) which can be mechanically coupled by a coupling element (4) to a hose bundle (5) for supplying the welding torch (3) at least with compressed air or with a protective gas, wherein compressed air applied to the coupling element (4) can be diverted by a diverting valve (10) provided in the coupling element (4) for actuating an actuator (7).

Abstract: A beverage preparation machine for dispensing beverages from beverage cartridges containing one or more beverage ingredients, the beverage preparation machine comprising means for receiving, in use, a beverage cartridge and means for passing water through the beverage cartridge to thereby produce a beverage, the beverage preparation machine further comprising a code reader for interpreting a code provided on or in the beverage cartridge.

Abstract: A system for inductively heating a workpiece may include an induction coil, at least one susceptor face sheet, and a current controller coupled. The induction coil may be configured to conduct an alternating current and generate a magnetic field in response to the alternating current. The susceptor face sheet may be configured to have a workpiece positioned therewith. The susceptor face sheet may be formed of a ferromagnetic alloy having a Curie temperature and being inductively heatable to an equilibrium temperature approaching the Curie temperature in response to the magnetic field. The current controller may be coupled to the induction coil and may be configured to adjust the alternating current in a manner causing a change in at least one heating parameter of the susceptor face sheet.

Abstract: Systems, assemblies and circuits are provided for combined heating and occupancy for vehicle seats wherein a plurality of conductors are arranged in a parallel circuit configuration with respect to each other and are attached to a seat mat. Each of the conductors is configured to generate heat in response to receiving an electrical current. Each of the conductors is configured to generate an electrical field in response to receiving an electrical signal and with the electrical field being recognizable for determining presence of an occupant on the seat. At least one bypass conductor is connected between two of the conductors to preserve heating and/or occupancy detection capabilities of the circuit in the event of breakage in any one or more of the conductors.

Abstract: An interior lining element, for example for a passenger compartment of a vehicle, including a single-layer or multilayer decorative covering, the front side of which faces the passenger compartment and delimits the latter physically and, via the back side thereof, is in thermally conductive contact with a printed heater, where the heater has a plurality of flat resistance elements and at least two feed lines which are electrically highly conductive as compared with the resistance elements and via which the resistance elements can be looped into an electric circuit, and where in contact-making regions of the resistance elements and of the feed lines, one feed line and one resistance element are each printed overlapping each other.

Abstract: Burner for a welding apparatus having a non-melting electrode, a wire feed device for a welding wire and a power feed device for introducing an electric heating current into the welding wire that is supplied. The wire feed device can be activated in two directions of advance and an electric voltage applied by the power feed device to the welding wire can be regulated to ignite an igniting arc between the tip of the welding wire and the workpiece.

Abstract: A heating part of this radiant heater has a plurality of heating wires. The plurality of heating wires are connected in parallel such that a plurality of parallel groups may be formed by electrodes. Further, the plurality of parallel groups are connected in series by the electrodes. The heating parts are set to reach a radiation temperature for emitting the heat radiation which makes a human to feel warmth. The heating parts have a thermal resistance in a longitudinal direction which is set, when an object contacts on the surface, a temperature of the part where the object touches falls to a suppressed temperature lower than the radiation temperature. The temperature of the heating part increases rapidly in response to electric supply. When there is a contact with an object, the temperature of the heating part decreases rapidly.

Abstract: A targeted-annealing system can automatically cure a conductive paste that may bind cascaded strips of a string together without damaging the strips. The targeted-annealing system can process strings of cascaded strips on a supporting surface, and can anneal conductive paste between overlapping strips by blowing heated air on the overlapping sections of the strips. An air nozzle shaped to target the overlapping sections may provide the heated air. The supporting surface may include a porous material that allows a vacuum to pull on the cascaded strips from below the surface during the annealing process.

Abstract: A dispensing apparatus for a milk-frothing device is indicated, comprising a body that is composed of a first part (10) and of a second part (50), which comprises an emulsion chamber (15) for forming emulsified fluid, a fluid inlet (15-1) for letting a fluid into the emulsion chamber (15), and a discharging region (55) having at least one dispensing opening (61) for discharging the emulsified fluid formed in the emulsion chamber (15).

Abstract: A laser machining device having a surface plate upon which a material to be machined is placed, a rail, a saddle, a garter, a horizontal carriage, and a laser nozzle. On it is attached: a machining trolley that causes the saddle to travel along rail, causes the horizontal carriage to travel horizontally along garter, irradiates laser light from laser nozzle towards a material to be machined, and cuts or welds the material. A cover is provided that covers substantially the entire surface of machining trolley and has an upper surface cover, a laser nozzle-side cover, a garter-side cover, and a side surface body. On a lower end side of the laser nozzle-side cover and the garter-side cover, there is a flexible light-blocking member for preventing laser light from leaking from a gap between the lower end section and the upper surface of the surface plate.

Abstract: A welding wire feeder includes a welding wire feed drive configured to drive welding wire towards a welding application, wire feed control circuitry coupled to and configured to control the welding wire feed drive. The welding wire feeder includes power conversion circuitry configured to receive polarized input power from a welding power source via input connections with defined polarities and to convert the polarized input power to welding output, sensing circuitry configured to detect the polarity of the polarized input power when connected to the input connections, and welding process control circuitry. The welding process control circuitry is coupled to the power conversion circuitry and the sensing circuitry. The welding process control circuitry is configured to provide the polarized input power to the power conversion circuitry only if the polarity of the polarized input power corresponds to the defined polarities of the input connections.

Abstract: A method and device for strengthening the laser shock of a hidden surface includes establishing a continuous laser shock strengthening track and process after acquiring the information about the whole hidden surface. A control system adjusts the movement and rotation of a total reflection mirror which is arranged in a workpiece according to the signal from signal collecting cards for making a reflected laser beam act on a region to be machined of the hidden surface at an appropriate incidence angle. The method can realize the surface strengthening treatment of the hidden surface of the workpiece, significantly improve the mechanical performance of the workpiece and increase the fatigue life thereof, which is applicable to the surface strengthening of the workpiece with the hidden surface.

Abstract: A laser processing system for micromachining a workpiece includes a laser source to generate laser pulses for processing a feature in a workpiece, a galvanometer-driven (galvo) subsystem to impart a first relative movement of a laser beam spot position along a processing trajectory with respect to the surface of the workpiece, and an acousto-optic deflector (AOD) subsystem to effectively widen a laser beam spot along a direction perpendicular to the processing trajectory. The AOD subsystem may include a combination of AODs and electro-optic deflectors. The AOD subsystem may vary an intensity profile of laser pulses as a function of deflection position along a dither direction to selectively shape the feature in the dither direction. The shaping may be used to intersect features on the workpiece. The AOD subsystem may also provide rastering, galvo error position correction, power modulation, and/or through-the-lens viewing of and alignment to the workpiece.

Abstract: A laser beam machining device having a laser beam source and an equipment for deflecting a laser beam of the laser beam source for machining a workpiece is provided. The equipment includes a mounting body, a structural member having a reflecting surface, a flexible element by which the structural member is deflectable around an arbitrary space axis about an angle of deflection, a first forcing component and at least one second forcing component, whereby at least one of the forcing components are controllable such that the two forcing components are attracted towards each other or repel each other depending on the triggering. One of the forcing components is coupled to the structural member and the two forcing components are arranged and cooperate such that the structural member deflects around the arbitrary space axis about a predetermine angle of deflection.

Abstract: A pulse width controller for a thermal processing system is disclosed. Pulsed electromagnetic radiation is directed through a rotatable wave plate to a polarizing beam splitter, which reflects and transmits according to the phase angle of the wave plate. Radiation transmitted by the polarizing beam splitter is directed into an optical circuit that returns the radiation to the polarizing beam splitter after a transit time. A second rotatable wave plate is positioned in the optical circuit. The polarizing beam splitter reflects and transmits the returned radiation according to the phase angle of the second rotatable wave plate. A second pulse width controller may be nested in the optical circuit, and any number of pulse width controllers may be nested.

Abstract: A micro-fluidic device. The device includes a semiconductor substrate attached to a fluid supply source. The substrate contains at least one vaporization heater, one or more bubble pumps for feeding fluid from the fluid supply source to the at least one vaporization heater, a fluid supply inlet from the fluid supply source in fluid flow communication with each of the one or more bubble pumps, and a vapor outlet in vapor flow communication with the at least one vaporization heater. The one or more bubble pumps each have a fluid flow path selected from a linear path, a spiral path, a circuitous path, and a combination thereof from the supply inlet to the at least one vaporization heater.

Abstract: The present invention relates to a cooking oven provided for heat transfer by convection, in particular for a domestic appliance. The cooking oven comprises at least one top convection fan (12) arranged in a central portion of a top wall of an oven cavity (10) and at least one rear convection fan (14) arranged in a central portion of a rear wall of the oven cavity (10). The cooking oven comprises at least one top heating element (16, 18) arranged in an upper portion of the oven cavity (10) and below the top wall of said oven cavity (10) and at least one rear heating element (40) arranged in a rear portion of the oven cavity (10) and in front of the rear wall of said oven cavity (10). The top convection fan (12) and the rear convection fan (14) are axial fans. At least one top propeller (32) of the top convection fan (12) and at least one rear propeller (36) of the rear convection fan (14) are arranged inside the oven cavity (10).

Abstract: The invention is method, and an apparatus for performing the method having the steps of providing a workpiece, generating a plurality of free electrons at a region of the exterior surface, and machining a portion of the workpiece adjoining the first region by directing laser energy onto the workpiece.