Abstract: A support arm for a water-cooled, current-conducting electrode includes wall elements, wherein each wall element is a flat conductive metal with a hollowed out recess on its outer surface extending over its length. The support arm further includes a cover extending over each recess to define a closed cooling channel within each wall element when the cover is welded to the wall element. The cover includes with an inlet port and an outlet port for cooling water.

Abstract: An in-line package apparatus includes a first treating unit, an input storage unit, a heating unit and an output storage unit. The first treating unit performs a ball attach process or a chip mount process. A processing object that a process is completed in the first treating unit is received in a magazine so as to be vertically stacked and a plurality of magazines each having one or more processing objects is stored in an input stacker. The heating unit performs a reflow process on the processing objects in the magazine stored in the input stacker by an induction heating method. A processing object that a reflow process is completed is received in a magazine and then stored in an output stacker.

Abstract: When conditioned air is supplied in an aircraft, the conditioned air in which at least one of oxygen concentration and humidity is adjusted is generated in the aircraft. The generated conditioned air is blown via a plurality of air blow-off ports 40a disposed inside the aircraft cabin so that the conditioned air reaches face disposition regions of passengers H in a plurality of seat locations inside the cabin.

Abstract: A heating system for a subsurface formation includes a conduit located in a first opening in the subsurface formation. Three electrical conductors are located in the conduit. A return conductor is located inside the conduit. The return conductor is electrically coupled to the ends of the electrical conductors distal from the surface of the formation. Insulation is located inside the conduit. The insulation electrically insulates the three electrical conductors, the return conductor, and the conduit from each other.

Abstract: The invention pertains to a method for arc welding with a consumable electrode and with high deposition rates, wherein an alternating current is applied between the electrode and a work piece in order to generate the arc, wherein the alternating current has a current waveform that repeats itself after one period, and wherein the current waveform has at least one positive phase that is divided into at least one positive high-current phase and into at least one positive basic current phase and at least one negative phase within one period. According to the invention, the positive basic current phase is applied within the period after the positive high-current phase and a diffuse arc burns in the negative phase. In this case, it needs to be observed that the positive basic current phase is sufficiently long.

Abstract: A three stage power source for an electric arc welding process comprising an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal, a network of switches switched at a high frequency with a given duty cycle to convert the input into a first internal AC signal, an isolation transformer with a primary winding driven by the first internal high frequency AC signal and a secondary winding for creating a second internal high frequency AC signal and a rectifier to convert the second internal AC signal into a second DC output signal of the second stage, with a magnitude related to the duty cycle of the switches; and, a third stage to convert the second DC output signal to a welding output for welding wherein the input stage has a regulated DC to DC converter with a boost power switch having an active soft switching circuit.

Abstract: A structure of universal coffee maker comprising a water tank, a water pump, a heating element and an extractor, which is provided with at least one one-way water way communicating with the above components in turn, wherein said water pump is connected to a controller which can set the pumping power of the water pump. Different pumping power can be set by the water pump with controller to get different water pressure, so that the pressure conditions of different kinds of universal coffee maker can be satisfied.

Abstract: A device for mincing food includes at least one cutting blade or grater and a feed device. Food to be minced is feedable through the feed device to the at least one cutting blade or grater. The feed device includes parallel first and second mutually opposing inner walls.

Abstract: A double-layer rotatable grilling device has a base with two supporting brackets; a pan component rotatably disposed between the two supporting brackets, which has a lower pan unit with a cooking surface on the top, and a lower handle on one end; an upper pan unit with a cooking surface on the bottom, and an upper handle on one end; and a middle pan unit with two cooking surfaces both on the top and the bottom, and a temperature controller for adjusting the pans units disposed on the middle pan unit, and the knob for adjusting the temperature controller. The temperature controller is a mechanical controller with double-metal pieces, and the temperature is adjusted by rotating the bronze axle; a rotating shaft is disposed between the knob and the temperature controller, the knob can rotate the rotating shaft, and then the bronze axle of the temperature controller can be rotated.

Abstract: Steel is subjected to multiple-electrode submerged arc welding with three or more electrodes in which a direct-current power source is used to supply current to a first electrode, the welding by the first electrode is carried out at a current density of 250 A/mm2 or more, preferably with a wire diameter of 3.2 mm or less and a weld current of 1,000 A or more, the welding by the second electrode is carried out at a current density of 150 A/mm2 or more, preferably with a weld current of 600 A or more, one of the interelectrode spacings is 23 mm or more on a surface of the steel, and the remaining interelectrode spacings are 20 mm or less.

Abstract: A method and apparatus of communicating control signals to a welding power source from a remote location includes a welding system operated by control signals transmitted by a wireless remote control that can be remotely located from the welding power source. A plurality of welding parameters in the welding system are set and adjusted in response to wireless command signals transmitted to a controller including a control transceiver located on the welding power source. In this regard, an operator is able to quickly and efficiently control a welding system from a remote location, with no more cables than are necessary to perform the intended task.

Abstract: A microwave heating apparatus (101) includes a burning chamber (103) in which an object (102) to be burned is placed, a magnetron (116) for applying microwaves into the heating apparatus, a cooling gas introducing mechanism (112b) for introducing a cooling gas from outside the heating apparatus into the heating apparatus, a cooling gas channel (113b) through which the cooling gas flows to the burning chamber (103), heat-generating members (114a to 114e) for self-heating with microwaves applied thereto to heat the cooling gas flowing through the cooling gas channel (113b) and a control section (117) for, when the burning chamber (103) having the object (102) to be burned placed therein is cooled, causing the cooling gas introducing mechanism (112b) to introduce the cooling gas into the heating apparatus, and causing the magnetron (116) to intermittently apply microwaves into the heating apparatus.

Abstract: The invention relates to a brewing device (1) for a coffee machine, including a brewing cylinder (6) having a cylindrical bore and pistons, such that the brewing cylinder (6) can be closed off to form a brewing chamber. The brewing cylinder (6) and the pistons are held in a frame, and can be displaced relative to each other and driven by a spindle (9). A threaded part (7a) acts together with the spindle, and is disposed on a carrier (7) attached to the brewing cylinder (6). A ground coffee feed device is provided for filling the brewing chamber with ground coffee, and a stripping element (19) serves to strip off the residual coffee grounds remaining on the lower piston (4) after the brewing process. A supporting structure can prevent the spindle from being able to bend under load during the brewing process.

Abstract: A heating cooker of the present invention is structured such that, an indicator sheet of a light emitting indicator unit has a light transmitting portion that transmits light of a light emission source and a light blocking portion that is provided away from a heating unit than the light transmitting portion is and that blocks the light of the light emission source, and that the light emission source is disposed below the light blocking portion. Thus, uneven shining of the indicator sheet can be suppressed, and the effect of heat from a heating target cooking vessel to the light emission source can be suppressed, whereby a further reduction in thickness of the heating cooker can be realized.

Abstract: Operability of a heating cooker having a heating unit in a top plate is improved. After power-on, a light emission control unit causes the operation unit light-emitting element of an operable operation inhibition releasing key to be lit so that only the key is displayed and the other keys are less visible. Thus, the heating cooker is changed into a lock state. When the operation inhibition releasing key is operated in the lock state, at least one electrostatic touch key other than the operation inhibition releasing key is made operable and the operation unit light-emitting element is lit. Alternatively, in the above structure, the operation unit light-emitting element of the operable operation unit is lit in a first light-emission color, and the operation unit light-emitting elements of the inoperable operation units are lit in a second light-emission color different from the first light-emission color. Thus effective operation can be guided.

Abstract: A blower urges an airflow, at a rate according to a user-controlled flow rate command, through an electric heater and the electrical heater heats the airflow at a heater power based on a user-input temperature command, the user-input flow rate command, and a measured mass flow rate of the airflow. The heater power is calculated based on the heat energy required to heat air to the given reference temperature, at a flow rate corresponding to the measured mass flow rate. Optionally, the temperature of the air entering the electric heater is measured, and the heater power is calculated based on the heat energy required to heat air from the measured temperature to the given reference temperature, at a flow rate corresponding to the measured mass flow rate.

Abstract: A high-energy density beam welding process for two panels includes a step that include placing a metal band on the upper face of at least one panel, in the axis of the desired welded joint before welding the panels, so that the metal band is inserted between the panels and the high-energy density beam during the welding step, and so that the thickness of this metal band integrates all of the geometric faults present on the surface of the welded joint.

Abstract: A system, in one embodiment, includes an engine, a generator coupled to the engine, a compressor coupled to the engine, and a controller configured to soft start the compressor. A method, in another embodiment, includes soft starting an air compressor in a portable welding unit having the air compressor, an engine coupled to the air compressor, and a welding generator coupled to the engine.

Abstract: An induction stove assembly that utilizes pads between the cook-top of the stove and cooking vessels placed on the stove for heating. The pads are easily removable and interchangeable with other similar pads. The pads help protect the cook-top from damage, make clean-up more efficient, and insulate the cook-top from excessive heating.

Abstract: A system having a welding wire hub with a wire-specific interface. The wire-specific interface may be configured to enable mounting with a first wire spool and configured to prevent mounting with a second wire spool. In some embodiments, the first and second wire spools have different welding wire types.