Abstract: An electrical heater device comprises an heating element, which includes two electrodes and a heating body made of a polymer-based material having a PTC effect, in contact with the electrodes. Each electrode comprises a meshed structure, which extends in a length direction and in a width direction, and is embedded at least partially in the heating body. Each electrode further comprises an electrical-distribution element which is fixed to the meshed structure and includes a distribution portion that extends in the length direction, or in the width direction, or in both the length and width directions of the meshed structure.

Abstract: Disclosed embodiments relate to additive manufacturing systems. In some embodiments, an additive manufacturing system includes a fixed build plate, and a build volume extends above the fixed build plate. A boundary of the build volume may be defined by a powder containing shroud that is vertically displaceable relative to the fixed build plate. A powder deposition system is configured to deposit a powder layer along an upper surface of the build volume and the powder deposition is vertically displaceable relative to the fixed build plate. An optics assembly configured to direct laser energy from one or more laser energy sources towards the build volume, and exposure of the powder layer to the laser energy melts at least a portion of the powder layer. In some embodiments, the build plate may be supported by support columns configured to maintain the build plate in a level orientation throughout a build process.

Abstract: A hand warmer comprising: a tubular sleeve having two extremities located along a longitudinal axis thereof, said sleeve defining a longitudinal opening therein, each extremity having defining an opening adapted to receive hands; a heating element; and a battery operatively connected to the heating element; wherein said tubular sleeve comprising an inner wall and an outer wall and adapted to receive the battery between the inner and outer wall and wherein the heating element is located within the longitudinal opening and is adapted to be grasped by a hand when such is inserted into the longitudinal opening of the hand warmer.

Abstract: An example welding system includes: a visual acquisition system comprising an imaging device and configured to acquire a visual representation of a weld part and to convert the visual representation into data representative of weld part features; and a part recognition component comprising processing circuitry configured to: receive the digital data; identify one or more features of the weld part in response to receipt of the digital signal; compare the digital signal to stored data of a plurality of weld parts stored in a weld part database to match one or more identified features to a known weld part of the plurality of weld parts stored in the weld part database; identify weld settings stored in a weld parameter database associated with the matching known weld part of the plurality of weld parts stored in the weld part database; and send the weld settings to a welding power supply.

Abstract: A beverage preparation machine (1) comprising a thermal conditioning device (71), such as a heater or cooler, said thermal conditioning device (71) comprising a control unit (4) for controlling a start-up phase of the thermal conditioning device (71) from a temperature of inactivity to an operative temperature, the control unit (4) comprising: a controller with a start-up profile for starting-up the thermal conditioning device (71), wherein the start-up profile has at least one parameter and the controller has a self-learning mode for adjusting the at least one parameter; and a temperature sensor connected to the controller for measuring a temperature of the thermal conditioning device (71); wherein the self-learning mode causes the controller during a start-up phase to: calculate a ramp value representative of a rate of change in temperature during the start-up phase of the thermal conditioning device; adjust the at least one parameter as a function of the adjusted ramp value; use the adjusted at least one p

Abstract: A PTC heating element has a casing that joins as a unit at least one PTC element, conductor paths electrically connected to the PTC element, and insulating layers bearing, in a heat-conductive manner against the PTC element. The PTC heating element also has contact strips which project over itself and which are electrically conductively connected to the conductor paths for energizing the PTC element with different polarities. The casing forms a receptacle space that receives the PTC element, the conductor paths, and the insulating layers. In order to improve heat decoupling from the PTC element, the receptacle, in a cross-sectional view, is defined by two oppositely disposed inner surfaces covering the PTC element and concave cavities, adjoining the inner surfaces and forming the longitudinal edges of the casing, the diameter of which is greater than the distance between the inner surfaces. The electric heating device has at least one PTC heating element arranged in a circulation chamber.

Abstract: A device (1) for the additive production of three-dimensional objects (2) by successive, layered, selective irradiation and accompanying successive, layered, selective solidification of construction material layers of a construction material (3) that can be solidified by means of an energy beam, comprising: a plurality of irradiation devices (6 and 7), which are designed to generate an energy beam, a control device (16), which is designed to generate control information controlling the operation of the irradiation devices (6 and 7) and to control the operation of the irradiation devices (6 and 7) on the basis of generated control information, wherein the control device (16) is designed to generate first control information in order to control the operation of a first irradiation device, on the basis of which the first irradiation device generates a first energy beam (4a) for the successive, layered, selective solidification of a construction material layer.

Abstract: An internal heating trace assembly may include a first bus bar, a second bus bar, a plurality of ceramic positive temperature coefficient (PTC) elements, and an insulator. The ceramic PTC elements may be disposed in parallel between the first bus bar and the second bus bar. The insulator may include a heat-shrink tubing. The ceramic PTC element may include a PTC strip or a PTC bead.

Abstract: The invention relates generally to welding and, more specifically, to welding wires for arc welding, such as Gas Metal Arc Welding (GMAW) or Flux Core Arc Welding (FCAW). In one embodiment, a tubular welding wire includes a sheath and a core. The tubular welding wire is configured to form a weld deposit on a structural steel workpiece, wherein the weld deposit includes less than approximately 2.5% manganese by weight.

Abstract: The invention provides a heating device comprising a base structure comprising a fluid channel and a heating element, the heating element arranged in use to heat fluid within the fluid channel, the heating device further comprising a cooling means, arranged in use to cool the fluid channel.

Abstract: An inductively heatable susceptor for use with an inductively heated aerosol-generating device or system includes an open-porous inductively heatable ceramic material configured to hold an aerosol-forming liquid and configured to heat the aerosol-forming liquid under the influence of an alternating electromagnetic field. A cartridge for use with an aerosol-generating device includes an aerosol-forming liquid and a susceptor. An aerosol-generating device includes a susceptor.

Abstract: A portable heating device for delivering warm air to the extremities of a user, for increasingly comfort and/or facilitating sleep. The portable heating device includes a heating module situated within a case, and a retractable and detachable hose that is able to attached to a hot air-releasing vent on the heating module to deliver the hot air to a desired space. The portable case includes an electronic display and a control unit for setting a desired temperature set point. The heating module is able to be powered by either a cable connected to an external power source and/or one or more internal batteries within the heating module.

Abstract: An electric heating device comprised a housing having a partition wall, which separates a connection chamber from a heating chamber for dissipating heat and from which at least one PTC heating element protrudes as a heating rib in the direction toward the heating chamber. The PTC heating device comprises at least one PTC element and conductor tracks that are electrically connected in the connection chamber for energizing the PTC element with different polarities and that are connected to the PTC element in an electrically conductive manner. The heating chamber, in a top view onto the partition wall, has a substantially rectangular base area. The PTC heating devices are arranged obliquely relative to the base area for a more compact configuration of the electric heating device.

Abstract: A resistance welding control system includes a pair of electrodes, a driving mechanism, and a control device. The control device includes a detector, a determining unit, and a stop controller. The detector is configured to detect a position of a first electrode of the pair of electrodes and a distance from the first electrode to a second electrode of the pair of electrodes in the approaching-separating direction while electricity is being passed between the first and second electrodes. The determining unit is configured to make a determination as to whether predetermined variation has occurred in the position or the distance. The predetermined variation indicates that a temperature of the member to be welded is at a feature point temperature. The stop controller is configured to stop the electricity passed between the first and second electrodes on the basis of a result of the determination.

Abstract: An appliance for heating fluid includes a reservoir for holding the fluid during use. One or more ceramic heaters mount with the reservoir to heat the fluid. The heater includes electrically resistive traces thick-film printed on a substrate. The heaters optionally mount with a heat transfer element having a relatively large surface area. The heat transfer element typifies a conductive element, such as an aluminum plate of forged aluminum. The plate has cavities to retain the heaters or sections fitted about heaters. Holes through a thickness of the plate induce turbulent fluid flow as the fluid freely passes there through during use. Heater control and mounting are still other aspects of the technology.

Abstract: A cooking rack system for placement in a container or kitchen sink, the cooking rack including spaced hollow members with openings therealong and spaced support members extending between the spaced hollow members along the lengths of the hollow members.

Abstract: A collet assembly including an actuator and a collet connected to the actuator. The collet assembly is adapted to be installed on a welding electrode holder having an electrode. The collet is moveable by the actuator from an advanced position, in which the collet is adapted to grip a fastener such as a welding rivet, and a retracted position, in which at least a portion of the collet is retracted into the actuator to enable the electrode to engage the fastener for welding to a work piece, and the collet is adapted to release the fastener.

Abstract: Disclosed herein is a system for drilling in a multilayer printed circuit board. The system includes a source of electromagnetic radiation configured to transmit a measurement pulse in open air to a workpiece, an anode, a resettable electric charge sensor (ECS), operably connected to the anode, and a control unit, configured to receive at least one value indicative of the quantity of at least part of charged molecules received at the anode and determine a second value indicative of the quantity of charged molecules received at the anode that were derivative of emitted electrons responsive to the measurement pulse.

Abstract: A TIG (Tungsten Inert Gas) welding torch (10) comprises a torch body (22), a collet (38a,b,c) for retaining a tungsten rod, and a back cap (42), in which the collet 838a,b,c) passes through an aperture in the torch body (22) from the front of the torch body (22) to the rear of the torch body (22), and is joined directly to the back cap (42) by a screw thread (40a,b,c), the collet (38a,b,c) being drawn backwards against a front section of the torch body (22), to close the collet (38a,b,c) and retain the tungsten rod when the screw thread (40a,b,c) is tightened.

Abstract: A cartridge for an aerosol-generating system may include a container, a susceptor material, and an aerosol-forming substrate. The container defines a cartridge cavity. The susceptor material is positioned within the cartridge cavity. The susceptor material may define a plurality of interconnected interstices. The aerosol-forming substrate may be in the form of a gel that is solid at room temperature. The gel may be provided so as to be positioned within the plurality of interconnected interstices.