A heating apparatus for induction heating is disclosed. The heating apparatus may comprise a bearing ring, at least one bearing element disposed in the bearing ring, and a braze material adjacent to the at least one bearing element and the bearing ring. The heating apparatus may additionally comprise an inductor positioned radially adjacent to at least a portion of the bearing ring. A current source may be electrically coupled to the inductor. A bearing orienting member may also abut a surface of the at least one bearing element. The bearing orienting member may orient a surface of the at least one bearing element. A heating method is also disclosed.

A conductive wire welded structure of which a stator is composed can be obtained using a conductive wire welding method in which a plurality of conductive wires are welded together using a high-frequency induction heating device. This conductive wire welding method involves performing a disposition step in which a plurality of conductive wires are made to intersect and the end of at least one of the conductive wires is disposed at a location that is extended from an intersection portion, and a welding step in which the end of the at least one conductive wire that is at a location extended from the intersection portion is welded outside an induction heating coil by induction heating, and the welded material thereof is solidified at the intersection portion.

A conductive wire welded structure of which a stator is composed can be obtained using a conductive wire welding method in which a plurality of conductive wires are welded together using a high-frequency induction heating device. This conductive wire welding method involves performing a disposition step in which a plurality of conductive wires are made to intersect and the end of at least one of the conductive wires is disposed at a location that is extended from an intersection portion, and a welding step in which the end of the at least one conductive wire that is at a location extended from the intersection portion is welded outside an induction heating coil by induction heating, and the welded material thereof is solidified at the intersection portion.

A method for manufacturing an induction coil assembly is disclosed. The method includes preparing a Computer Aided Design (CAD) model of an induction coil. The method further includes communicating the CAD model of the induction coil with a Three Dimensional (3D) printing machine The method further includes operating the 3D printing machine to deposit a plurality of layers of copper material one above other to manufacture the induction coil corresponding to the CAD model. The method further includes forming at least one hole in an annular member of the induction coil to receive a coolant and at least one hole in a first leg and a second leg to discharge the coolant.

A method and apparatus for additive manufacturing that includes a material guide for directing a supply of working material. An advancement mechanism comprising one or more pistons, pushers, plungers and/or pressure regulation systems are positioned behind at least a portion of the supply of working material for advancing the working material forward. The working material is heated using an electro-magnetic heating element and the melted or molten working material is deposited from a tip positioned at an end of the material guide.

A method and apparatus for additive manufacturing that includes a material guide for directing a supply of working material. An advancement mechanism comprising one or more pistons, pushers, plungers and/or pressure regulation systems are positioned behind at least a portion of the supply of working material for advancing the working material forward. The working material is heated using an electro-magnetic heating element and the melted or molten working material is deposited from a tip positioned at an end of the material guide.

A method for manufacturing at least a metallic portion of a component: a) depositing metallic material layer by layer onto at least one building platform; b) locally fusing and/or sintering the material layer by layer by supplying energy by at least one high-energy beam in the region of a buildup and joining zone to form at least a portion of at least one component layer of the component portion and/or of the component; c) lowering the building platform layer by layer by a predefined layer thickness; and d) repeating the steps a) through c) until completion of the component portion and/or of the component. Before, during and/or after process step b), at least one further portion of the component layer is formed by locally fusing and/or sintering the material by inductive heating at a temperature or in a temperature range above the solidus temperature of the metallic material used. A system for manufacturing at least a portion of a component is also provided.

A method for manufacturing at least a metallic portion of a component: a) depositing metallic material layer by layer onto at least one building platform; b) locally fusing and/or sintering the material layer by layer by supplying energy by at least one high-energy beam in the region of a buildup and joining zone to form at least a portion of at least one component layer of the component portion and/or of the component; c) lowering the building platform layer by layer by a predefined layer thickness; and d) repeating the steps a) through c) until completion of the component portion and/or of the component. Before, during and/or after process step b), at least one further portion of the component layer is formed by locally fusing and/or sintering the material by inductive heating at a temperature or in a temperature range above the solidus temperature of the metallic material used. A system for manufacturing at least a portion of a component is also provided.

A glazing includes at least one substrate, one portion of which includes an electrically conductive element, the conductive element including a connector made of chromium-containing steel, which connector is soldered with a solder based on tin, silver and copper to an electrically conductive track, wherein the electrically conductive track, which is formed by fritting a silver paste including a mixture of silver powder and glass frit, has a resistivity measured at 25 C. lower than or equal to 3.5 .Math.cm and a porosity level lower than 20%, the porosity level being measured by scanning electron microscopy from a cross section through the portion of the substrate including the electrically conductive track and having been polished beforehand by ion milling.

A glazing includes at least one substrate, one portion of which includes an electrically conductive element, the conductive element including a connector made of chromium-containing steel, which connector is soldered with a solder based on tin, silver and copper to an electrically conductive track, wherein the electrically conductive track, which is formed by fritting a silver paste including a mixture of silver powder and glass frit, has a resistivity measured at 25 C. lower than or equal to 3.5 .Math.cm and a porosity level lower than 20%, the porosity level being measured by scanning electron microscopy from a cross section through the portion of the substrate including the electrically conductive track and having been polished beforehand by ion milling.