Abstract: A system, in one embodiment, may include a portable unit having an engine, a generator coupled to the engine, a compressor coupled to the engine, and a priority load controller. The controller may be configured to adjust various loads on the engine, the generator, or the compressor, or a combination thereof, in response to a priority control scheme. A computer-implemented method, in another embodiment, may include adjusting power output to various loads on an engine, a welding generator coupled to the engine, or an air compressor coupled to the engine, or a combination thereof, in a portable welding unit in response to a priority control scheme.

Abstract: Systems and methods of pre-ageing of a metal strip during metal processing include passing the metal strip adjacent a magnetic rotor of a reheater. The systems and methods also include heating the metal strip through the magnetic rotor by rotating the magnetic rotor. Rotating the magnetic rotor induces a magnetic field into the metal strip such that the metal strip is heated.

Abstract: A pressure control system for a liquid-cooled electronic component cooling device. A cooling device cools an electronic component through a refrigerant moving along a pipe. A radiator is mounted on one side of the cooling device to exchange heat with the refrigerant, and has a vent hole extending outwardly. A head has discharge holes communicating with a plurality of first hollows formed therein in an outer circumferential surface thereof with a driver hole provided in an upper surface thereof. A body is coupled to a bottom side of the head and has a second hollow communicating with the first hollows in a lengthwise direction. A pressure controller extends outward from a bottom of the body with an inner portion thereof communicating with the second hollow, and includes a coupler having threads on one side of an outer circumferential surface thereof to be screwed into the vent hole.

Abstract: A gas supply device for a laser machining head is provided for generating a homogeneous gas flow. The gas supply device includes a gas inlet, a shared volume for superimposing a laser beam and the gas flow, and a gas channel system which, starting from the gas inlet, branches at least twice and connects the gas inlet with several outlet openings at the shared volume. The gas channel system and the outlet openings are configured to provide a substantially homogeneous gas flow to the shared volume.

Abstract: A cooking apparatus includes a main body having a cooking chamber, a coupler having a pair of pressure surfaces and rotatably provided, and a tray provided-to-be withdrawn from the cooking chamber by sliding movement. The tray has a pair of seating projections each capable of being brought into contact with the pair of pressure surfaces and being rotatably pushed by the coupler. Therefore it is possible to easily switch between the rotatable state of the tray and the state of sliding movement of the tray.

Abstract: A basic structural body for constructing heat dissipation device and a heat dissipation device are disclosed. The heat dissipation device includes a first basic structural body having a wick structure formed on one side surface thereof; and the first basic structural body and the wick structure are structural bodies formed layer by layer. Two pieces of first basic structural bodies can be correspondingly closed together to construct a heat dissipation device internally defining an airtight chamber. In this manner, the heat dissipation device can be designed in a more flexible manner.

Abstract: A laser cutting nozzle for a laser machining unit is described, the nozzle including a passage for the laser beam and cutting gas. The passage extends between a nozzle inlet and a nozzle mouth along a passage longitudinal axis. The passage comprises a convergence portion and a divergence portion. In the entire divergence portion, the wall of the passage forms an angle of inclination relative to the passage longitudinal axis of at most 5°. In addition, the length of the divergence portion is less than 5 times the diameter of the constriction.

Abstract: A method for operating cyclic process-based systems, with a hot-side reservoir (1) and a cold-side reservoir (2) for a fluid (3), and at least one heat exchanger unit (4) with mechanocaloric material, wherein the mechanocaloric material of the heat exchanger unit (4) is actively connected to the fluid (3) such that heat is transferred between the mechanocaloric material and the fluid (3). It is essential that the transfer of heat between the mechanocaloric material and the fluid (3) takes place essentially by latent heat transfer. A corresponding heat-transfer unit (4) and a corresponding apparatus are also provided.

Abstract: An additive manufacturing system includes a build surface, one or more laser energy sources, and an optics assembly. Exposure of a layer of material on the build surface to laser energy from the optics assembly melts at least a portion of the layer of material. A gas flow head is coupled to the optics assembly and defines a partially enclosed volume between the optics assembly and the build surface. The gas flow head includes a gas inflow through which a supply gas flows into the gas flow head, a gas outflow through which a return gas flows out of the gas flow head, and an aperture arranged to permit transmission of the laser energy through the gas flow head to the build surface. The supply gas and return gas define a gas flow profile within the gas flow head.

Abstract: A wire guide and a laser wire-processing device that includes a wire guide are provided. The laser wire-processing device includes a housing and an aperture in a side of the housing, wherein the aperture defines a longitudinal axis that is substantially perpendicular to the aperture. The laser wire-processing device also includes a backstop arranged in the housing and aligned with the longitudinal axis, the backstop defining a wire-contact surface in a facing relationship with the aperture. The laser wire-processing device also includes a wire guide arranged in the housing to manipulate a wire inserted through the aperture into a desired position relative to the longitudinal axis between the aperture and the backstop. The laser wire-processing device also includes a laser operable to direct a laser beam toward an insulation layer of the wire. The wire guide could be a tube arranged in the device or a backstop guide.

Abstract: A heating cooker includes a housing having an exhaust aperture; a top plate on the housing with a heating zone; a heating coil to perform induction heating to heat a heating target on the heating zone; an air-sending device; a cooling air guide having an air outlet, to guide air from the air-sending device to the air outlet; and an exhaust air guide aperture with an air passage extending from a first inlet to a first outlet. The air outlet and the exhaust aperture are aligned with each other and the air outlet of the cooling air guide and the heating coil are aligned each other, both in the front and back direction. The air outlet is arranged on a front side relative to a center of the heating coil. The air passage of the exhaust air guide has a longer length than the first outlet of the air passage.

Abstract: An embodiment of the present disclosure provides a toaster oven including: a cooking chamber; an air passage; and a fan. The cooking chamber includes a side wall and a top wall. One of the side wall and the top wall is provided with an air inlet in communication with a cooking space of the cooking chamber. The other of the side wall and the top wall is provided with an air outlet in communication with the cooking space. The air passage between the air inlet and the air outlet is disposed outside the cooking chamber. The fan blows air from the air inlet to the air outlet through the air passage.

Abstract: A laser cutting apparatus and method, and a method of manufacturing a display panel by using a laser cutting method are provided. A laser cutting method includes: providing a panel in which a second substrate is stacked on a first substrate including a conductive wiring; and removing a portion of the second substrate to expose the conductive wiring by emitting a laser beam to the second substrate, and the laser beam is emitted to the second substrate at an incident angle equal to or greater than a threshold angle at which total reflection occurs in the second substrate.

Abstract: An evaporative cooling system having a heat conducting device, the heat conducting device being capable of coupling to a heating element to be cooled and the heat conducting device comprising a first medium; a heat dissipating device having one or more heat dissipating outlets; and an evaporator disposed in the heat dissipating device and arranged in relation to the heat conducting device that is arranged at least partially outside the heat dissipating device. The heat dissipating device comprises a second medium, and the evaporator is configured to receive heat from the heat conducting device to heat the second medium of the heat dissipating device and discharge the heat from the one or more heat dissipating outlets of the heat dissipating device.

Abstract: In a first aspect, a system for heating, cooling, or both heating and cooling a room is disclosed. The system includes a panel with a first, second, and third wall. The second wall is disposed between the first and third walls and separated by a plurality of partitions. The partitions create a first and second row of elongated channels. Each channel in the first row is bounded on two sides by two partitions and on two other sides by the first and second walls. Each channel in the second row is bounded on two sides by two partitions and on two other sides by the second and third walls. The first row of channels is a fluid layer configured to allow heated or cooled fluid to pass through. The fluid layer is in thermal communication with the room. The second row of channels is an insulating vacuum layer, with a reduced pressure that is at least 20% less than atmospheric pressure.

Abstract: A vapor chamber that includes a housing including a first sheet and a second sheet opposing each other and joined together at outer edges of the first sheet and the second sheet and defining a hollow vapor flow pass therein; a working fluid in the housing; a first wick in contact with the vapor flow pass; and a second wick between the first wick and an inner wall surface of at least one of the first sheet and the second sheet. The first wick defines a first liquid flow pass, the second wick defines a second liquid flow pass, and a first average diameter of the first liquid flow pass is smaller than or equal to 75% of a second average diameter of the second liquid flow pass.

Abstract: An apparatus for heating structure or areas adjacent such structure, such as a roof on a building for example, exposed to varying weather conditions and methods of making and use of the apparatus. The heating apparatus can include a heating element and heat supplying components. In one embodiment, the heating apparatus also includes a heatable cover panel and fasteners or other fastening components or materials for securing the heating element and cover panel to the structure. The heat supplying components may include one or more heater cable or heater cable sections penetrating one or more heater cable channels in the heating element. The apparatus may also utilize various insulating and other materials, including paint on exposed surfaces of the apparatus.

Abstract: A cooling system that includes an expandable vapor chamber having a condenser side opposite an evaporator side, a condenser side wick coupled to a condenser side wall, an evaporator side wick coupled to an evaporator side wall, and a vapor core positioned between the evaporator side wick and the condenser side wick. The cooling system also includes a vapor pressure sensor communicatively coupled to a controller and a bellow actuator disposed in the vapor core and communicatively coupled to the controller. The bellow actuator is expandable based on a vapor pressure measurement of the vapor pressure sensor.

Abstract: A device for the protection of laser optics or to their lifetime increase. The device for the protection of laser optics comprises a housing arranged below a laser optics housing with a connection for the supply of a cutting gas, and on the opposite side to the laser optics outlet nozzle for the cutting gas and a pressure-resistant protective glass on the side of the laser optics and a process-side protective glass, which is arranged between the nozzle and pressure-resistant protective glass available.

Abstract: A laser processing system that can effectively blow out a material of a workpiece that is melted by a laser beam by effectively utilizing an assist gas emitted from a nozzle. The laser processing system includes a nozzle including an emission opening configured to emit a jet of an assist gas along an optical axis of a laser beam, the nozzle being configured to form a maximum point of velocity of the jet at a position away from the emission opening; a measuring instrument configured to measure a supply flow rate of the assist gas to the nozzle; and a position acquisition section configured to acquire the position of the maximum point from a measurement value of the measuring instrument by predetermined calculation.